查询词典 ultraviolet

Bromoethyl benzene was synthesized by anti-Markovnikov addition of hydrogen bromide to styrene under ultraviolet light irradiation.

在紫外线的照射下，苯乙烯与溴化氢气体发生反马氏规则自由基加成反应，可合成β-溴乙苯。

The result of UV-visible spectroscopy show that the absorption band of the titanium dioxide hydrosol is extend to visible light region, what'more the absorption band in ultraviolet region is strong and wide.

紫外-可见光漫反射吸收光谱分析表明，该纳米二氧化钛水溶胶在紫外光区具有强而宽的吸收带，且其吸收边(500nm)扩展到了可见光区，扩展了对光谱的吸收范围。

Contents of TNF α and HYP in blood of 28 patients with APT and 17 normal subjects were determined with enzyme linked immunosorbent assay and ultraviolet spectrophotometer respectively.

方法用ELISA法和紫外分光光度法分别测定了28例进展期肺结核患者和17名正常人的血浆TNF－α和血清HYP含量。

Ultraviolet B irradiation resulted in a local inflammation with significant primary and secondary hyperalgesia.

紫外线 B 照射可导致局部严重的原发或继发的过敏性炎症。

Some scientists have proposed that the presence of increasing levels of ultraviolet light with elevation may play a role, while browsing and grazing animals like the ibex may be another contributing factor.

一些科学家有被提议的出现逐渐增加的水平紫外线的光与海拔可能游戏一个角色，当浏览的时候和放牧像野生山羊的动物可能是另外的有助于因素。

WP-UVSJ2000 series of ultraviolet light-cured UV inks for the light-cured plastic silk screen, and India ink.

WP-UVSJ2000系列UV紫外线光固化油墨为光固化塑胶丝印、印油墨。

Prednisone acetate, methylcobalamin and VitB1 were simply given to the control patients, Patients in physical therapy group were treated by ultrashort wave, ultraviolet rays and inducing VitB1 by direct current in addition to drug therapy, On the basis of physical therapy, facial muscle movement training was added to comprehensive rehabilitation group, Assessment was measured before and the 30d after treatment with the system of Sunnybrook.

对照组单纯给予醋酸泼尼松、甲钴胶、VitB1治疗；物理治疗组在药物治疗同时给予超短波、紫外线和直流电局部导入VitB1治疗，综合康复组则是在物理治疗基础上再给予面部肌肉运动训练。

Mainly caused by ultraviolet photochemical reaction and optical immunological reaction, and the infra-red radiation generated by the reaction is due to molecular vibration and temperature caused.

紫外线主要引起光化学反应和光免疫学反应，而红外线照射所产生的反应是由于分子振动和温度升高所引起的。

Methods The cell growth inhibiting rate, LDLR activity in acute leukemia patients and the influence of HMG-CoA reduct ase inhibiter atorvastatin on leukemic cell proliferation were detected by MTT method. HMG-CoA reductase activities of leukemic cells were analysed by ultraviolet spectrophotometry.

用四氮甲唑蓝比色法检测AL患者的细胞生长抑制率、LDLR活性、HMG-CoA还原酶抑制剂阿托伐他汀对白血病细胞增殖作用的影响；紫外分光光度法测定白血病细胞HMG-CoA还原酶活性。

Meeting correct hair causes the ultraviolet ray in sunlight damage, make a hair sere become yellow, because this summer wants to avoid sunlight to insolate, it is outdoor swim, should notice to defend when sunbathe.

日光中的紫外线会对头发造成损害，使头发干枯变黄，因此夏季要避免日光暴晒，在室外游泳、日光浴时要注意防护。

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。