The first two Secretaries-General were Trygve Lie of Norway and Dag Hammarskj ? ld of Sweden.
头两任 秘书长 是挪威的特里格夫·赖伊和瑞典的 达格·哈马舍尔德.
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Methods: We measure the LD of flies on insecticides standard drop way.
方法: 采用点滴法测定家蝇对杀虫剂的半数致死量.
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研究了I类临界相位匹配的LBO晶体腔内倍频激光二极管泵浦的Cr∶LiSAF激光器.
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The application of pump cavity in laser diode ( LD ) side pumped laser head is introduced.
介绍了抽运腔在半导体侧面抽运固体激光头中的应用.
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Results The LD 50 of diclofenac mucilage ( contained in enema for mice ) was 399.
结果小鼠双氯芬酸钠胶浆直肠注药半数致死量 ( LD50 ) 为399.
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A design of LD ? pumped single frequency Nd ∶ YVO ? 4 laser at 1064 nm is presented.
报道了一种用国产激光二极管泵浦的1064nm单频Nd∶YVO4红外激光器的设计.
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研究了高(HD)、低(LD)两个种植密度下红桦幼苗的树皮和去皮树干特征对CO2升高的响应。
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目的: 观察消痔栓的急性毒性, 测定其半数致死量.
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I use HD 80 material because it is much stiffer than the LD materials.
我使用hd80材料,因为它是许多严厉的比劳工处材料.
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结果:大鼠阴道给予黄体酮药膜一天的最大耐受剂量为400mg/kg;
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Free running emerald laser pumped by 660 nm laser diode ( LD) was reported.
报道了温差水热法生长的祖母绿晶体在660nm激光二极管(LD)抽运下的激光实验结果。
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限制饲喂改变了自由采食饲喂方式下背最长肌和半腱肌肉色间、水分含量间、蛋白质含量间的显著性关系。
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Method: Bliss law was introduced to determine LD 50 of walnut oil.
方法: 急性毒性采用bliss法测定核桃油的LD50.
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