Joke Collection Website - News headlines - Teaching laboratory display board slogan
Teaching laboratory display board slogan
1. Bold exploration and repeated trials
2. Original records are indispensable. Measurement data must be accurate
3. Laboratory management system
1. , enter the laboratory, keep the laboratory quiet, and loud noises in the laboratory are strictly prohibited.
2. Conduct the test strictly according to the laboratory operating procedures, operate carefully and think carefully.
3. Pay attention to experimental safety. Before entering the laboratory, you should be familiar with the water and electricity switches of the laboratory. If an accident occurs, appropriate measures should be taken immediately. Those who violate operating procedures and cause accidents should be dealt with seriously. The violator shall be held responsible.
4. Protect public property. If experimental equipment is damaged, check the cause and register the damage.
5. The desktop, floor, sink, and instruments should be kept clean and tidy in the laboratory. Instruments and drugs used in the laboratory should not be taken out of the laboratory at will.
6. A special record book must be prepared. The experimental records must be true, accurate, neat and clear. After the experiment, the original records should be handed over to the leader for review.
7. After the experiment, arrange the instruments and countertops, clean the laboratory, empty the waste, check the water and electricity switches, and close the doors and windows.
4 Laboratory Safety Operating Procedures
In order to carry out experiments smoothly, ensure the success of experiments, protect experimental instruments and equipment, maintain the safety of experimenters, and prevent all experimental accidents, this document is specially formulated Laboratory safety operating procedures
1. Before conducting experiments, you should master the operating procedures and principles, and understand the properties of all equipment and experimental reagents. It is estimated that dangerous experiments may occur, so please pay attention to precautions during operation.
2. Before starting the experiment, check whether the instrument is intact and whether the installation is correct and secure. During the experiment, you should always pay attention to whether the instrument is leaking, leaking, or broken, and whether the reaction is proceeding normally.
3. Smoking or eating in the laboratory is strictly prohibited. Wash your hands carefully after the experiment. Water, electricity, lights and equipment should be turned off immediately after use.
4. It is absolutely not allowed to mix various reagents randomly to avoid accidents. Do not touch medicines with your hands, do not put your nostrils to the mouth of the container to smell the reagents, and do not taste any reagents.
5. The remaining reagents in the laboratory must be disposed of in accordance with regulations and cannot be discarded or taken out of the laboratory at will. Place it back in the designated container.
6. When pouring reagents or heating liquids, do not look down at the container or toward yourself or others to prevent splashing.
7. Strictly abide by the operating rules of the laboratory. When igniting flammable gases, be sure to check their purity.
8. When leaving the laboratory, you should check whether the water, electricity, and doors and windows are closed.
- Previous article:What is the background of g20 Hangzhou Summit?
- Next article:A collection of 60 of Douyin¡¯s most popular romantic lyrical phrases
- Related articles
- Where is Roland Garros?
- May I ask my colleague? What industries does the cultural and entertainment industry include?
- Materials on the deeds of outstanding women¡¯s volunteer service teams
- Send a banner to the kindergarten teacher. How to write?
- How to implement the eight regulations in canteens of government agencies and units
- Some beautiful sentences of low-carbon life (23 selected sentences)
- Team resignation judgment
- The photovoltaic industry of Tianwei New Energy Holdings Co., Ltd.
- Please get off at the right gate of Guangzhou subway.
- The fifth edition of the Chinese teaching materials department for the second grade of primary school