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- chemical powder foam 化学泡沫
- Method of extinguishing FireUse with sand, carbon dioxide form and powder foam extinguisher. 用沙子,二氧化碳,泡沫和干粉灭火器灭火。
- It is suitable for all kinds of chemical powder material: fertilizer, potassic-fertilizer, urea, chemical raw material and additive etc. 各种化工原料,化工成品,化肥,例如:氯化氨,尿素,氮肥,钾肥,磷肥,硼砂,硫酸同,硫酸镁,硫酸钡。
- To adapt another chemical powder as reference, the effectiveness of "Meibang" blight powder is researched. 采用甲基托布津可湿性粉剂为对照,探究美邦治萎可湿性粉剂防治西瓜枯萎病的药效。
- The application of statistics in packaging and weighing system of chemical powder and granule products,either in the respect of profundity or extensiveness,is in the preliminary stage at present. 数理统计在粉粒产品包装计量中的应用,不论从深度和广度上讲,目前都尚处于初级阶段。
- Mixing and loading chemical powders is very dangerous and can kill or seriously injure you. 化学火药在被混合并装入的时候是非常危险的,可能对人造成严重伤亡。
- In many labs, buffer solutions are often prepared from capsules, tablets and chemical powders presuming that they are more accurate and less expensive when "freshly" made. 在许多实验室,常以化学药剂少量调配缓冲标准液,并且认为刚配制的试剂会较准确,价格上也比较便宜。
- The extinguisher is filled with chemical foam. 这个灭火器里充满了化学泡沫。
- The fire extinguisher is filled with chemical foam. 这个灭火器充满了化学泡沫。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。