Eight Slogans of Quality Knowledge

1. Little knowledge about quality

Little knowledge about quality 1. Looking for 100 little knowledge about chemistry

1. The best of chemistry 1. The most abundant metal in the earth’s crust The element is aluminum.

2. The most abundant non-metallic element in the earth's crust is oxygen. 3. The most abundant substance in the air is nitrogen.

4. The hardest naturally occurring substance is diamond. 5. The simplest organic compound is methane.

6. The most mobile metal in the metal activity sequence is potassium. 7. The oxide with the smallest relative molecular mass is water.

8. The gas with the smallest density under the same conditions is hydrogen. 9. The most conductive metal is silver.

10. The atom with the smallest relative atomic mass is hydrogen. 11. The metal with the smallest melting point is mercury.

12. The most abundant element in the human body is oxygen. 13. The element that makes up the most types of compounds is carbon.

14. The most widely used metal in daily life is iron. 2. Fill in the blanks 1. The three types of particles that make up matter are molecules, atoms, and ions.

2. Three reducing agents commonly used to reduce copper oxide: hydrogen, carbon monoxide, and carbon. 3. Hydrogen has three major advantages as a fuel: it is rich in resources, has high calorific value, and the product after combustion is water and does not pollute the environment.

4. There are generally three types of particles that make up atoms: protons, neutrons, and electrons. 5. There are only three types of ferrous metals: iron, manganese and chromium.

6. The elements that constitute matter can be divided into three categories: (1) metallic elements, (2) non-metallic elements, and (3) rare gas elements. 7. There are three types of iron oxides, and their chemical formulas are (1) FeO, (2) Fe2O3, and (3) Fe3O4.

8. There are three characteristics of a solution (1) homogeneity; (2) stability; (3) mixture. 9. Chemical equations have three meanings: (1) Indicates what substances participate in the reaction and what substances are produced as a result; (2) Indicates the ratio of the number of particles of molecules or atoms in each substance between reactants and products; (3) Indicates each reactant , the mass ratio between the products.

Chemical equations have two principles: based on objective facts; and following the law of conservation of mass. 10. Pig iron is generally divided into three types: white iron, gray iron, and ductile iron.

11. Carbon steel can be divided into three types: high carbon steel, medium carbon steel, and low carbon steel. 12. There are three types of iron ores commonly used in ironmaking: (1) Hematite (main component is Fe2O3); (2) Magnetite (Fe3O4); (3) Siderite (FeCO3).

13. There are three main equipments for steelmaking: converter, electric furnace and open hearth. 14. The three reaction conditions often related to temperature are ignition, heating, and high temperature.

15. There are two ways to change a saturated solution into an unsaturated solution: (1) raising the temperature, (2) adding a solvent; there are three ways to change an unsaturated solution into a saturated solution: cooling down, adding a solute, and evaporating the solvent at a constant temperature. (Note: Substances whose solubility decreases with temperature, such as: calcium hydroxide solution changes from saturated solution to unsaturated solution: cooling, adding solvent; there are three ways to change unsaturated solution to saturated solution: heating, adding solute, constant temperature evaporation of solvent).

16. There are generally three methods for collecting gas: drainage method, upward emptying method, and downward emptying method. 17. There are three main causes of water pollution: (1) waste residue, waste gas, and waste water in industrial production; (2) arbitrary discharge of domestic sewage; (3) pesticides and fertilizers used in agricultural production flow into the river with rainwater.

18. There are three commonly used fire extinguishers: foam fire extinguishers; dry powder fire extinguishers; liquid carbon dioxide fire extinguishers. 19. The change of solubility of solid substances with temperature can be divided into three categories: (1) The solubility of most solid substances increases with the increase of temperature; (2) The solubility of a few substances is very little affected by temperature; (3) The solubility of very few substances decreases with increasing temperature.

20. There are three reasons why CO2 can extinguish fires: it cannot burn, it cannot support combustion, and it is denser than air. 21. Elemental substances can be divided into three categories: metallic elements; non-metallic elements; and rare gas elements.

22. The three most important fossil fuels in the world today are: coal, oil, and natural gas. 23. The three black oxides that should be remembered are: copper oxide, manganese dioxide, and ferric oxide.

24. Hydrogen and carbon elements have three similar chemical properties: stability at room temperature, flammability, and reducibility. 25. Three times of light blue appear in the textbook: (1) Liquid oxygen is light blue (2) Sulfur burns in the air with a weak light blue flame, (3) Hydrogen burns in the air with a light blue flame.

26. Three blue colors related to copper element: (1) copper sulfate crystal; (2) copper hydroxide precipitation; (3) copper sulfate solution. 27. There are "three supports" in the filtration operation: (1) The lower end of the funnel is close to the inner wall of the beaker; (2) The end of the glass rod is lightly pressed against the third layer of the filter paper; (3) The edge of the beaker holding the filtrate is close to the glass Support and attract traffic.

28. The Kip generator consists of three parts: spherical funnel, container, and air tube. 29. The flame of the alcohol lamp is divided into three parts: outer flame, inner flame, and flame core. Among them, the outer flame has the highest temperature.

30. There are "three no's" principles when taking medicines: (1) Do not touch the medicines with your hands; (2) Do not put your nose to the mouth of the container to smell the gas; (3) Do not taste the medicines . 31. Write the color and state of the following substances: Bile alum (blue alum, copper sulfate pentahydrate CuSO4?5H2O): blue solid basic copper carbonate (patina): green solid black solid: carbon powder, copper oxide, manganese dioxide , Iron ferric oxide white solid: anhydrous copper sulfate (CuSO4), potassium chlorate, potassium chloride, magnesium oxide, sodium chloride, calcium carbonate, sodium carbonate, zinc sulfate Purple black: potassium permanganate light green solution: sodium sulfate Iron (FeSO4) 32. Conditions for combustibles to burn: the combustibles are in contact with oxygen, and the temperature of the combustibles must reach the ignition point.

33. Gases with molecules composed of diatoms: H2, O2, N2, Cl2, F234. The following are determined by which part of the atomic structure: ①. The type of element is determined by the number of protons. ②. The classification is determined by the number of electrons in the outermost shell. ③. The chemical properties of the element are determined by the number of electrons in the outermost shell. ④. The valence of the element is determined by the number of electrons in the outermost shell. ⑤. The relative atomic weight is determined by the number of protons and neutrons. 35. Organic compounds learned: CH4 (methane), C2H5OH (alcohol, ethanol), CH3OH (methanol), CH3COOH (acetic acid, acetic acid) 36. Understanding the law of conservation of mass from a macro and micro perspective can be summarized into five invariants: Two must change, and one may change: (1) Five do not change: the types of elements and the total mass of reactants and products remain unchanged from a macroscopic perspective; the atomic mass, types of atoms, and the number of atoms remain unchanged from a microscopic perspective; (2) Two certain changes: the types of substances must change when viewed from a macro perspective, and the types of molecules must change when viewed from a micro perspective; (3) One possible change: the sum of molecules may change.

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2. Some common sense about health

100 Health Tips 001 Do you want to become healthy? Let’s run! Want to be smart? Let’s run! Want to be beautiful? Let’s run! 002 There are several places where you are not allowed to pick: nails/toenails/scars/nostrils/ears/a friend’s girlfriend or someone else’s husband.

003 Cars come into the factory for regular maintenance, wages are paid to the building on a regular basis, and health is checked regularly at the hospital. 004 You can check out without any reason before taking over the building, and you need to go to bed after 12pm without any reason.

005 I want to have dinner with my family. 006 Open windows frequently, you can not only see the bright moon decorating your windows, but also keep the indoor air fresh.

007 Pay attention to the health problems of your beloved children/pets, and be careful not to spoil them badly! 008 One million years of evolution from ape to human happened on foot. Please do not give up any right to evolution at will. 009 Check the quality of "imported" items and do not patronize street vendors at will.

010 Smile, ten years later, life is really wonderful.

011 Remember the "value" of spitting in public: 50 yuan in Guangzhou, 200 yuan in Shanghai, 1,500 Hong Kong dollars in Hong Kong, and 1,000 Singapore dollars in Singapore (limited to the first mouthful, the second mouth is 2,000 Singapore dollars).

012 Control the angle and distance of sneezing. A sneeze can emit up to 10,000 droplets, which can be sprayed up to 9 meters away.

013 Remember to remove peels, waste paper, and dust every day. Dirty laundry, leftovers, welcome to the new era of good men.

014 What needs to be faced is stress reduction, salary reduction, and social entertainment, but what does not need to be faced is weight loss. 015 Someone has warned you that smoking is harmful to your health.

016 It is better to invite people to sweat than to treat them to a meal. 017 The newly bought clothes need to be washed and worn, and the newly renovated house needs to be lived in.

018 Pay attention to the weather forecast, protect yourself from rain and be careful of catching a cold. 019 Don’t be a frequent visitor to fast food restaurants, drink more herbal tea and less cola, eat more fruits and less greasy food.

020 When dealing with temptations, you must be indifferent to all aspects of your body, when dealing with food, you must not distinguish between grains and grains, and when dealing with principles, you must ignore all relatives. 021 Don’t take Viagra.

022 If you are not sick, don’t take antibiotics and vitamins indiscriminately. When you have time, absorb more fashion elements from the media, and your life can be richer. 023 Cherish every wonderful encounter. The best distance for two people to talk is 1.3 meters, and the best angle is 30 degrees.

024 The shortest distance in the world is not between heaven and earth, your lover and you, but between people and TV - often not kept at 2 to 4 meters. 025 You need to wash your face when watching TV, and you also need to wash your face when touching the Internet.

026 Drinking cups should have lids, and hats should be worn when going out on hot days. *** Try to wear condoms. 027 When singing (karaoke) outside, you must bring your own "microphone set".

028 Insist on a "Tiffany Breakfast", a "There is no free lunch in the world" and a "Last Supper" on time every day. 029 Brush your teeth before going to bed and after meals, and change your toothbrush two months ago.

030 Required courses for family doctors: Master basic medical and health knowledge, and set up a home emergency medicine box. 031 Don’t eat food quickly, don’t talk while eating, and don’t let the crumbs fly out.

032 Don’t work too hard when you’re full. 033 The best way to make God laugh so hard: use your brain frequently.

034 Drinking water beauty and body care method: consciously drink water 4 to 5 times a day, 1 to 2 cups each time, with a total capacity of 1000cc. Effect: The skin will not be secreted out of control, and the body shape will not be slim.

035 Do not let your hair be dyed with free ions, negative ions, positive ions, cations and water ions, and do not use your hair for ceramic perms, tile perms or iron plate perms. 036 Bacteria easily fall in love with strangers, please use your own personal belongings.

037 Keep a clear distinction between public and private work, and wash the inside and outside of clothes separately. 038 Five or six people crammed into one car? Do you think you can take a train? 039 I love your bare face more than your understatement.

040 Service needs to be humane, work needs to be humane, and establishing relationships with "people" is the ultimate goal. 041. The diary can be kept at night, on weekends, or in ten days, months, quarters or even years, but it must be kept.

042 Less Is More! Turn complexity into tubes, remove unnecessary mental and material burdens, and you will find that a quality life is that simple. 043 Walk to work in the morning, cook in the evening, and water the flowers before going to bed to make your life "slower". 044 The house does not have to be big, just enough; the decoration does not have to be luxurious, comfort is the most important.

045 Have some time to think about "What if the computer crashes"? "What to do if the hard drive crashes"? “What to do if electronic data is poisoned”? 046 Washing clothes, washing the floor, washing dishes, bathing, brainwashing, only by doing it yourself can you feel it. 047 Believe in love at first sight.

048 Go home often when you have time, and call your relatives regularly when you have no time. 049 Playing and singing every night, carnivaling like a festival every day? You first ask yourself if you have such a good body.

050 It is better to participate in charity activities than to attend crazy dances, and to be a volunteer is better than to be a gambler. 051 There is no Take Two in life! Fasten your seat belt when riding in a car, and please use zebra crossings when crossing the road.

052 No Peace No Boom, no peace, no prosperity; No Hedth No Pleasure, no health, no happiness. 053 Don’t hunker down at your desk, take some time off in front of the computer - close your eyes for two minutes.

054 Find time to swim and have a proper meal. For yourself, time is life. Leave enough time and space for your private life to increase the value of your time.

055 Reading is a way to increase content; reading is a way to accumulate spiritual wealth; reading is the best way to live a leisurely life. 056 Make a plan for yourself at the end of every year, and then only complete 1/2 of it.

For example, quit smoking once or twice a year. For example, lose weight three to four times a year. For example, love always has its separation and reunion every year... Leave a thin line in everything so that we can meet again in the future. 057 Let’s travel! Go to a place you have never been to, walk a road you have never traveled before, record a sad and joyful story, and read a vivid travelogue.

058 Please turn off your mobile phone when it is not necessary, and do not rely on the phone when it is not necessary. It is better to communicate face to face. Even if you are silent, you can minimize the radiation. 059 Advocate natural beauty, refuse breast augmentation, slimming, plastic surgery, move less bones and less perforations. 060 Go to the public library, buy a music CD, watch a movie, organize a party, and make a new friend.

A fluid life allows for effective consumption. 061 Concentrate on learning a craft, such as repairing electrical appliances, making woodware, or playing musical instruments, and learn not to give up easily.

062 Don’t be a workaholic/paranoid/sex-maniac. 063 Merry Christmas, happy birthday, happy wedding, happy every day, contagious happiness, and you can also enjoy yourself.

064 Perform with all your heart on the stage, compete with all your strength on the field, life.

3. What are the common sense that Chinese people must know?

These are the common sense that Chinese and foreigners must know in daily life. Both China and foreign countries can learn some knowledge.

1. Use toothpaste skillfully: If there is a small area of ??skin damage or burn or scald, apply a little toothpaste to immediately stop bleeding and relieve pain, and also prevent infection. The effect is quite good. 2. How to remove greasy screens: You can put washing powder and cigarette butts left from smoking in water together. After dissolving, use them to clean glass windows and screens. The effect is good.

3. Put the shrimps into a bowl, add a little refined salt and edible alkali powder, rub them with your hands for a while, soak them in water, and then wash them with water. This will make the fried shrimps as transparent as Crystal, refreshing and delicious. 4. Tips for making dumpling noodles 1: Mix 6 egg whites into 1 pound of flour to increase the protein in the noodles. The protein will solidify and shrink quickly after the dumplings are put into the pot. The dumplings will absorb water quickly after being cooked and will not stick easily 5 2. Soak the remaining tea leaves in water for a few days and then pour them on the roots of plants to promote plant growth; dry the remaining tea leaves and burn them in toilets or ditches to eliminate stench and repel mosquitoes and flies.

6. Method for recooking rice with uncooked rice: If the rice is uncooked, you can use chopsticks to poke some holes in the rice that go straight to the bottom of the pot, sprinkle a little rice wine and simmer again. If only the surface is uncooked, just flip the surface to the middle. Just simmer again. 7. If you must blanch vegetables when cooking, it is best to use the water used to blanch the vegetables.

For example, when making dumplings, an appropriate amount of blanched water can be put into the meat filling, which not only preserves nutrients, but also makes the dumpling filling delicious and soupy. 8. Tips for frying eggs: Crack the eggs into a bowl, add a little warm water and stir evenly. Pour into the oil pan and fry. When frying, add a little wine into the pan, so that the scrambled eggs will be fluffy, tender and delicious.

9. How to use a casserole 1: When you use a newly bought casserole for the first time, it is best to use it to cook porridge, or use it to boil thick rice washing water to block the fine pores of the casserole. Prevent water seepage.

10. Use "Thirteen Incenses" skillfully: use tangerine peel when stewing meat, which has a rich aroma; add Angelica dahurica to beef and mutton, which can remove the mutton and increase the freshness; use cinnamon for homemade sausage, which is delicious; use cloves for bacon and chicken, which will have an endless aftertaste.

11. Tips for making dumpling noodles 2: The noodles should be slightly hard. After mixing, place it in a basin and seal it tightly. Let it sit for 10-15 minutes. Wait until the gliadin in the noodles absorbs water and expands. Make dumplings after the gluten is fully formed. 12. Coriander is an umbelliferous plant, rich in essential oils and rich in aroma. However, the essential oils are highly volatile and cannot withstand prolonged heating. It is best to add coriander before eating. , to retain its aroma. 13. When performing high-temperature washing or drying procedures, do not touch the door glass to avoid burns.

When taking out the clothes to be dried, be careful about the metal parts on the clothes, such as zippers, buttons, etc., to avoid burns. 14. If the collar and cuffs are dirty, you can soak the clothes in warm water dissolved with washing powder for 15-20 minutes, and then wash them normally, and they will be clean.

15. How to use a casserole 2: When using a casserole to make soup or stew meat, first put water in the casserole, then put the casserole on the fire, first use a slow fire, and then use a high fire. 16. When cooking vegetables, add some water chestnut starch to make the soup thicker. This not only makes the cooked vegetables delicious, but also because the starch contains glutathione, it has a protective effect on vitamins.

17. If the rice is burnt, quickly turn off the heat, put a piece of bread crust on top of the rice, and cover the pot. After 5 minutes, the bread crust can absorb the smell. 18. The amount of washing powder used: If the clothes are not too dirty or there is too much foam during washing, reduce the amount of washing powder used.

Avoiding excessive use of washing powder not only saves money but also protects the environment and makes the washing machine more durable. 19. When cooking dumplings, add enough water. After the water boils, add 2% of salt. Dissolve before adding the dumplings. This can increase the toughness of the gluten. The dumplings will not stick to the skin or bottom, and the color of the dumplings will turn white. The soup will clear the dumplings. fragrant.

20. Many people like to eat vegetables but do not like to drink vegetable soup. In fact, most of the vitamins have been dissolved in the vegetable soup when cooking. For example, after the Chinese cabbage is fried, 70% of the vitamin C will be dissolved in the vegetable soup.

21. If the white socks turn yellow, soak them in a detergent solution for 30 minutes before washing. 22. How to use the casserole: When removing the casserole from the fire, be sure to place it on a dry wooden board or straw mat, never on tiles or cement floors.

23. When cooking meat dishes, add some vinegar after adding wine, and the dishes will become fragrant. When cooking vegetarian dishes such as bean sprouts, add some vinegar appropriately, which tastes good and is nutritious, because vinegar has a protective effect on vitamins. 24. Bread can eliminate oil stains on clothes: If your clothes are stained by oil stains during meals, you can use fresh white bread to lighten them. Oil stains can be eliminated with light rubbing.

25. Use residual tea leaves to scrub wooden and bamboo tables and chairs to make them smoother. Dry the remaining tea leaves and spread them in humid places to remove moisture. After the remaining tea leaves are dried, you can also put them into pillowcases to serve as pillow cores, which are very soft.

26. After the dumplings are cooked, use a strainer to take them out, then put them into warm boiled water and rinse them before putting them on a plate. The dumplings will not stick to each other. 2008-12-7 16:27 Reply 210.78.54.* 2nd floor 27. Tips for frying fresh shrimps: Before frying fresh shrimps, you can first blanch the shrimps in boiling water soaked in cinnamon, and then fry them again. Shrimp tastes more delicious.

28. As much as possible, vegetables should be fried and eaten immediately, and avoid long-term heat preservation and repeated heating. In addition, in order to make the vegetable stems cook easily, you can add a little water to simmer them after quick frying.

29. Bread can eliminate carpet stains: If the small carpet at home is dirty, you can wipe it with hot bread crumbs and then hang it in a cool place. After 24 hours, the stain can be removed. 30. When men shave, they can use toothpaste instead of soap. Since toothpaste does not contain free alkali, it is not only non-toxic to the skin, but also has rich foam and a fragrant smell, making people feel cool and comfortable.

31. The wonderful use of Fengyoujing (1): Sprinkle a few drops of Fengyoujing on the leaves of the electric fan. As the fan blades continue to rotate, the room will be filled with fragrance, and it will also drive the air away. Mosquito effectiveness. 32. Before painting, apply cream on your hands. After painting, apply the cream to the skin stained with paint, wipe it with a dry cloth, and then wash it with soap to remove the paint attached to the skin. .

33. Tofu generally has a brine smell. Before putting the tofu in the pot, if you soak it in boiling water for more than 10 minutes, the brine smell can be removed. The tofu made in this way not only tastes good, but also tastes delicious and sweet.

34. When boiling eggs, you can first soak them in cold water for a while, and then boil them in hot water. In this way, the shells of the cooked eggs will not crack and are easy to peel off. 35. The watch will be affected by magnetism.