查询词典 UV

The result of analysis of maize quality indicates that under enhanced UV-B radiation, there is different influence on the percentage composition of soluble sugar of different varieties, and the tendency and amplitude of content variation of glucose, levulose and sucrose are different. The percentage composition of starch decreases, and lysine and protein increase. The variation tendency and amplitude of the protein with differentsolubility are different. The change of chemical quality in maize seeds is marked, and the effects of UV-B radiation are different with different maize variation.

UV-B增加对玉米品质影响的分析表明：UV-B增加处理下玉米的可溶性糖百分含量的变化不同的王米品种有着不同的表现，且葡萄糖、果糖、蔗糖变化的趋势及幅度也是不同的；淀粉百分含量是降低的；赖氨酸及蛋白质的含量比对照组要高；不同溶性的蛋白质受到影响后其变化趋向及幅度均不相同，玉米籽粒化学品质的变化是显著的；不同的玉米品种受到UV-B增加的影响后，其变化是不同的。

IR, UV-Vis, 1H NMR The IR, UV-Vis and 1H NMR of selenadiazoles were investigated. Their IR peaks were classified as the corresponding groups or bonds; The relation of their structure with the conjugative effects, absorbtion wavelength and molar absorb coefficients were discussed with the UV-Vis. The value of selenadiazoles in analytical chemistry and the varieties of structure with the pH were discussed.

IR，UV-Vis，~1H NMR 对硒二唑类化合物的IR吸收峰进行了归类与指认，讨论了SPO、SPDO的异构体的分子结构；探讨了UV-Vis、吸收波长和摩尔吸光系数与分子结构的相对应关系，以及紫外吸收光谱性质在分析化学上的应用价值和溶液的pH值引起SPO、SPDO的结构变化。

Conference, UV printing for impregn innovativeink could not obtain the business card printing and membership card making effect, is UV ink is available at the moment is not under UV curing, so business card printing and membership card making, hot stamping, die-cutting and other membership card after processing can be completed online line, thereby significantly shortened production speed, especially suitable for unit type flexo printing machine.

在刚印洋，UV印品之所以能得回用其他油不朱无法得回的制卡和会员卡制息成果，不离在于UV油不朱可在紫边不照射下长期固化，因此制卡和会员卡制息，烫印，模切及其他会员卡制息后增工等都可以在一条不出产线上联机达成，从而不小不小放缓了不出产速率，不出格不合用于机组式刚印机。

The new trends and processes of drinking water treatment technologies developed glo-bally in recent years were described, and the key future technologies identified on the third IWA Leading-Edge Conference were introduced, such as advanced oxidation processes (TiO2/UV and H2O2/UV), membrane/UV disinfection, membrane separation, magnetic ion exchange and so on.

阐述了近年来全球饮用水处理技术发展的一些新动向、新工艺，着重介绍了国际水协第三届&前沿技术&国际会议确定的未来饮用水处理技术的研发与应用。已被确定的未来主导技术有高级氧化技术(TiO2/UV光催化氧化工艺与H2O2/UV处理工艺)、消毒技术、膜分离技术以及电磁离子交换技术等。

Labiatae, and Malva sinensis Cav. were grown in the field under reduced (40.8% reduction by plastic films), ambient and an ambient plus supplemental UV-B radiation (simulating a 9% ozone depletion over Gannan, China, 34°55N, 2900 m) up to leaf senescence and fruit maturation.

植物从苗期开始暴露于三个不同强度的UV-B辐射处理下，即增强的UV-B辐射(模拟甘南夏季晴朗无云天空9％的平流层臭氧减薄)，对照以及减弱的UV-B辐射(以覆膜方式减弱40.8％的UV-B辐射)直到生长季末果实成熟。

With the depletion of ozone layer in stratosphere, solar UV-B radiation on theearth surface is increasing. Plants use sunlight for photosynthesis, and it is inevitable that they are affected by enhanced UV-B in the sunlight. Effects of UV-B radiation on the morphological structure and physiological biochemistry in leafy thallus of Spirodela polyrhiza were investigated in the present study.

大气臭氧层的耗损导致到达地面的UV-B辐射的增加，植物需要接受太阳光进行光合作用，因而不可避免地受到阳光中增强的UV-B辐射的影响。

To culture antibiotic overproducing strains, the study include using different physical and chemical factors to induce Streptomyces thermocarbonxydus var shandaensis to mutation. After original strain were mutagensised by UV combined LiCl、~(60)Co、 DES, 9 high-yield strains were obtained.

通过紫外线加氯化锂复合诱变得到高产菌株UV—18、UV—19、UV—20，其中菌株UV—19的发酵上清液抑菌圈直径是原种的1.875倍；通过~(60)Co诱变得到高产菌株Co—22、Co—36、Co—38，其中菌株Co—38的发酵上清液抑菌圈直径是原种的1.68倍；通过硫酸二乙酯诱变得到高产菌株DES—21、DES—31、DES—37，其中菌株DES—21的发酵上清液是原种的1.52倍。

The effects of compositions on UV prinking ink,such as prepolymer,monomer,photoinitiator and pigment on curing rate,cohesive force,resistency and other properties were investigated. The range analysis and variance analysis method were applied to the assessment of results. The results based on orthogonal experiment design indicated that an optimum component composition of UV printing ink can be obtained from prepolymer PQ611,monomer A,photoinitiator B and active amime.

摘 要：探讨了预聚物、单体、光引发剂、颜料等组分对UV油墨固化速度、附着力、耐抗性等性能的影响，应用正交实验设计方法对UV油墨各组分种类进行选择，对正交试验结果做极差分析及方差分析，结果表明：根据预先设计的组分比例，采用预聚物PQ611，单体A，光引发剂B，活性氨为加速剂，获得性能较好的UV油墨。

In this research, wastewater containing Cationic Red X-GRL dye was treated by UV, ozone, and ozone combined with UV, respecively. After determining the·OH indirect reaction rate constant k〓, the radiation flow rate of UV lamp P〓, the volumetric mass transfer coefficient k〓a, and the effective length of the radiation in photochemical reactor L, the influence factor, mechanism, kinetics, and modeling were investigated for these three processes.

在确定·OH间接反应速度k〓、光源总辐射流率P〓、体积传质系数k〓α、反应器有效光程L等工作的基础上，用UV、O〓、O〓/UV等方法处理阳离子红X-GRL染料废水，进行了影响因素研究、动力学研究、机理研究、模型研究、氧化与生化组合研究等。

The main work of our research was to study the effects of the combination of enhanced UV-B radiation 0.35w·m~(-2 and Cadmium 1umol·L~(-1 on the growth, photosynthesis, elements absorption and relocation in mung bean seedlings at the initial stage of growth, and the involving mechanisms about the change of photosynthesis under the different treatments were studied also. It was shown that the heights root length, lateral root length, lateral root number, area of leaves, dry/fresh weight of the overground parts and underground part were all inhibited by the single factor and combinative factors.

本文以0.35w·m~(-2)剂量的UV-B模拟增强UV-B辐射和1μmol·L~(-1)Cd~(2+)模拟Cd~(2+)污染，研究了增强UV-B辐射和Cd~(2+)及其复合处理对绿豆幼苗生长、光合作用以及元素吸收和分配的影响，并对不同处理条件下绿豆幼苗光合作用的变化机制进行了比较深入的分析，获得结果如下：增强UV-B辐射和Cd~(2+)及其复合处理8天，绿豆幼苗植株高度、根长、侧根长、侧根数、叶面积、地上部分干/鲜重和根系干/鲜重均下降。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。