ld的例句大全

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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In this paper, we report LD pumped Cr ∶ LiSAF intracavity doubling laser by I type critical phase match.

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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The response of wood/ bark properties of red birch seedlings to elevated CO2 ( EC) under low ( LD) and high density ( HD) were investigated in closed top fumigation chambers ( CTC).

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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Objective : To investigate the acute toxicity of suppository archosyrinx, and calculate the value of LD 50.

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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Results: The maximal tolerant dose of progesterone pellicle in one day, by vaginal injection, was 400mg/ kg ( LD 50> 400mg/ kg);

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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The forbidden band width Eg of QW LD active layer materials.

激光器有源区材料的禁带宽度Eg。

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The significance relationships of ad libitum feeding group between LD and ST in meat color, moisture content, crude protein content were changed by restricted feeding.

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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The Study of High-Precision LD Pulse Ranging Theory and Implementation

高精度LD脉冲测距理论与实现方法研究

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Direct coupling of high power LD to the multi mode optical fiber

大功率LD与多模光纤的直接耦合

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