查询词典 ultraviolet

EFFECT IN ACROSOME REACTION AND FERTILIZATION ABILITY OF SPERM WITH ULTRAVIOLET IRRADIATION

紫外线辐射对精子顶体反应和受精能力的影响

Nm Ultraviolet light was used to study the effect in acrosome reaction and fertilization ability of UV irradiated Chinese shrimp sperm.

研究了 36 5 nm波长紫外线辐射中国对虾精子对其顶体反应和受精能力的影响。

Objective To determine the action spectrum of ultraviolet in chronic actinic dermatitis and further analyze the influence of course of disease and period in the sunlight everyday on the decrease of minimal erythema dose respectively.

目的 测定慢性光化性皮炎的紫外线作用光谱并进一步分析患者病程及日均户外曝光时间对作用光谱最小红斑量降低的影响。

By utilizing Ultraviolet Visible spectroscope, Infrared and Raman spectroscope, the influences of kinds and content of adulterant, calcining technique and different atmosphere on the construction and performance of the SrCeO_3 basis proton conductor was also studied.

采用交流阻抗技术研究了SrCeO_3基系列高温质子导体在不同气氛下(干燥空气、氢气氛、水蒸汽气氛等)的导电性能。研究了高温质子导体器件中不同电极的制备工艺及其性能的影响。

Objective To observe the effect of ultraviolet irradiation on biological characteristics of Aerobacter cloacae and Staphylococcus epidermidis.

目的观察紫外线照射对阴沟肠杆菌和表皮葡萄球菌生物学特性的影响。

Amounts of the glycyrrhizic acid were determined by ultraviolet spectrophotometry at 252 nm wavelengh. Result The best extraction conditions from decoct method were that amount of affusion wate was 200 mL, extract 2 times, boiling time was 5 min, crash time was 20 s.

利用正交试验4因素3水平选择最佳提取条件(包括加水量、提取次数、煮沸时间、粉碎时间、溶剂量、振荡时间、氨水浓度)，用紫外分光光度法在252 nm波长处测定甘草酸含量。

Part Ⅳ The ultraviolet/visible spectroscopy of TOPⅠ were studied. It proved that TOPⅠ is an acid enzyme containing with hemochrome as an agon.

第四章 对TOPⅠ的紫外可见光谱进行了分析，证实了TOPⅠ为一含血红素的酸性蛋白酶。

If this star's ultraviolet radiation (which the human eye can't see) is included, that makes Alcyone a couple thousand times brighter.

如果，再算上这颗星星的紫外线，这昴宿六还要明亮两千倍。

The photocatalytic activities were examined by degradation of alizarin red in sunlight and ultraviolet light.

对茜素红溶液进行了在紫外灯及太阳光下的光催化降解，测试催化剂的催化活性，确定催化剂制备条件。

ABSTRACT The development history and current research state of pulsed discharge-excited alkaline-earth Metal Vapor Lasers were reviewed in detail in the paper. After all those multi-mechanism lines region from ultraviolet to infrared had been successfully obtained in our experiments, a consistent model has been build up for longitudinal pulsed discharge excited He-Sr vapor laser.

详细评述了脉冲放电激励的碱土金属蒸气激光的发展历史和现状，在实验上成功实现碱土金属多种机制从紫外到红外的多条激光谱线后，对纵向脉冲放电激励的He-Sr蒸气激光建立了一个完善的、自恰的激光动力学模型。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。