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- toxicity of chemical pesticide 农药毒性
- Hazard of Chemical Pesticide and Countermeasures 化学农药的危害及我国应采取的对策
- Toxicity of chemical grouting amd ils grading 化学灌浆的毒性和分级法
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Employing a standard test method for evaluating the toxicity of chemicals to algae,the toxic effects of lanthanides on Chlorella autotrophica were investigated. 用评价化学品对藻类毒性的标准实验方法,研究了12种镧系元素对小球藻生长的抑制情况。
- When birds began to die off,People began to criticize the use of chemical pesticides. 当鸟类开始相继死去时,人们就开始对使用化学杀虫剂提出批评。
- The use of chemical pesticides in coastal farmlands shall conform to the state provisions and standards for the safe use of pesticides. 沿海农田施用化学农药,应当执行国家农药安全使用的规定和标准。
- Toxicities of Beauveria bassiana Bbt1 strain and some other chemical pesticides on Tessaratoma papillosa Drury were tested both in the laboratory and field conditions. 应用白僵菌Bbt1菌株和常用化学农药90%25晶体敌百虫、2.;5%25溴氰菊酯、5%25顺反氯氰菊酯等进行室内毒力测定和田间防治荔枝蝽试验。
- When birds began to die off, People began to criticize the use of chemical pesticides. 当鸟类开始相继死去时,人们就开始对使用化学杀虫剂提出批评。
- To explore the efficiency and toxicity of NST. NST治疗血液病的临床应用及疗效探索。
- Risk assessment of industrial chemicals became one of the important problems in environmental administration. National EPB and domestic factories have been considered concerning the problems of controlling toxicity of chemicals. 工业化学品的风险评价问题,对环境管理至为重要,国家环保局及国内的工业企业正在讨论有关化学品毒性的控制问题。
- Especially in labor-abundant countries, it may be a waste of resources to encourage the substitution of chemical pesticides for human labor. 尤其是在哪些劳力充裕的国家,鼓励以化学药物取代人力可能是一种浪费资源的作法。
- In addition, IFOAM also promotes no use of chemical pesticides or other related products during the cultivation process for organic crops. 此外,有机农业联会亦反对于种植有机农作物时使用化学农药或其它相关产品。
- The effects of chemical pesticides on arthropod community in spring wild cabbage field were studied from the ecological point in this article. 本文从生态学的角度研究了化学杀虫剂对春甘蓝田节肢动物群落结构的影响。
- Analysis of the Effects of Chemic Pesticide in Controlling Agricultural Pest 化学农药在农业有害生物控制中的作用及科学评价
- VMAT2 transgenic CHO cells can resist the toxicity of dopamine. 转染VMAT2的CHO细胞对DA引起的毒性有显著的抵抗作用。
- The government has banned the use of chemical weapons. 政府已经禁止使用化学武器。
- The concept of organic food is simple: If it's produced without the aid of chemical pesticides and is processed only with natural additives, it's organic food. 在生产过程中,仅用天然添加物,而不借助化学杀虫剂的食品。
- The toxicity of DDVP was 20 times greater than dipterex. 敌敌畏之毒性比敌百虫大20倍。
- Meanwhile, industrial exhausts, sewages and debris, and the use of chemical pesticides pollute the air and water, and endanger the existence of living thing. 同时,工业三废的排放和化学农药的使用,污染了大气和水体,危害生物的生存,使野生动物数量明显下降。