查询词典 ultraviolet

The male buntings' quality was found to be negatively correlated with the brightness, visible and ultraviolet chroma of yellow plumage, but positively correlated with the brightness, visible chroma and hue of black plumage on the face.

对黄喉鹀雌、雄鸟羽色的差异以及雄鸟羽色与雄鸟质量的相关性分析结果表明，黄喉鹀雌、雄鸟在人眼看来相同的黄色羽和白色羽部分，在紫外光色度上却存在显著差异，雄鸟紫外光色度高于雌鸟。

A method was developed for the determination of Carbaryl in water by direct injection and HPLC with coupled ultraviolet and fluorescence detectors.

1引言甲蔡威，又称西维因，学名1一蔡基一N一甲基氨基甲酸醋，是氨基甲酸醋类农药的一种，在我国被广泛用作杀虫剂和除草剂。

A method was developed for the determination of Carbaryl in water by direct injection and HPLC with coupled ultraviolet and fluorescence detectors.

采用直接进样高效液相色谱法，以紫外检测法和荧光检测法分析水中甲萘威。

Twenty-one patients with pulmonary heart disease and respiratory failure were routinely treated by the antibiotics, bronchodilators, O_2inspiration, cardiacs and eliureties etc. When fail to respond to medicine treatment, ultraviolet blood irradiation treatment was added.

21例肺心病、呼吸衰竭病人，经用抗生素、支气管扩张药、吸O_2和强心、利尿剂等常规治疗效果不佳时，加用量子输血疗法后，心肺功能、血气分析指标等均得到明显改善，其中P_(co_2)由9.157±2.336kPa降为6.062±1.524kPa(P.001)，P_(o_2)由4.4±1.312kPa升至6.829±1.641kPa(P.001)O_2ct和O_2ct亦有提高(P值均。001)。

This paper discusses the use of ultraviolet mutagenesis combined chemostat enrichment method to screen high-temperature resistent and high-yield lactic acid bacteria.

本文探讨了利用紫外线诱变结合恒化器富集筛选耐高温高产乳酸菌的方法。

Using this, the eager coteries of astronomers who have access to the instrument will be able to observe young, hot stars that glow mainly in the ultraviolet part of the spectrum.

急切的能使用哈勃望远镜的天文学家能用这个观察年轻的，炽热的星球，它们的发光谱主要在紫外线部分。

It is one of the most important method in chemical research. The course matches Instrument Analysis course. We set up 16 experiments: atomic absorption spectrum, atomic emission spectrum, atomic fluorescent, ultraviolet-visible absorption spectrum, infra-red absorption spectrum, and molecular fluorescent which are for photometric analysis; vottammetric analysis , coulometry analysis ,volt-ampere analysis and polarogarphy for electroanalytical chemistry; Gas chromatography and liquid chromatography for chromatographic analysis.

本实验内容与仪器分析理论课内容相配套，针对光化学分析开设了原子吸收光谱、原子发射光谱、原子荧光、紫外-可见吸收光谱、红外吸收光谱、分子荧光光谱等实验；针对电化学分析开设了电位分析法、库仑分析法、伏安和极谱分析法等实验；针对色谱分析开设了气相色谱和液相色谱分析等实验，共开设了16个实验。

Methods L9(34) orthogonal test was conducted to evaluate the effects of ethanol concentration, ethanol consumption, extraction duration, and extraction time on the extraction by using the content of four kinds of sanchinosides and the content of the total flavonoids in axillary choerospondias fruit that were included in the recipe of Danxinshu capsules. HPLC and ultraviolet spectrophotometry were used in the assay of cumarin.

分别采用高效液相色谱法和紫外分光光度法测定方中三七的3种皂苷的总含量及广枣的总黄酮的含量，以两者含量的综合评分为指标，采用正交实验考察乙醇浓度、乙醇用量、提取时间、提取次数4个因素对提取效果的影响。

Procaine hydrochloride, ampicillin sodium and dapsone can react with 1,2-naphthoquinone-4-sulfonic acid to form salmon pink compound, respectively. Their maximum absorption wavelengtb.es were shifted from the range of ultraviolet to the visible light.

利用分光光度法研究了抗生素类药物氨苄西林钠，抗麻风病药物氨苯砜，局部麻醉药盐酸普鲁卡因与1，2—萘醌—4—磺酸钠的显色反应，建立了灵敏简便的分光光度法。

The content of conjugated dienes in petroleum products is determined by ultraviolet spectrophotometry.

在化学反应－气相色谱法联合测定含烯汽油中共轭二烯烃质量分数的基础上，建立了用紫外分光光度法测定油品中的共轭二烯烃的含量。

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。