查询词典 uv

In this study, we investigated the protective effects of NaHSO3 on the physiological and biochemical processes of Phaseolus vulgaris leaves under enhanced UV-B radiation.

为了减轻UV-B辐射对植物叶片的伤害，本研究以离体红芸豆叶片为实验材料，通过外源施加NaHSO3的方法探讨了UV-B辐射下NaHSO3 对离体红芸豆叶片的保护作用。

Methods:Determination method for diazepam and vitamin B1 were changed from coefficient rate and silicotungstic acid precipitation to HPLC and UV respectively.

地西泮由系数倍率法改为HPLC法；谷维素仍用UV法，溶剂由正庚烷改为硫酸乙醇；维生素B1由硅钨酸沉淀法改为UV法。

UV-B radiation increased amounts of total sugar and uronic acid in cell wall polysaccharides and changed the ratio of total sugar and uronic acid in pectin.

SNP对除果胶外的细胞壁各组分的作用与UV-B辐射相似，LNNA和PTIO对除果胶外的细胞壁其它组分的作用与UV-B辐射相反。

This paper aims to standardize UV varnishing workflow and build a sort of estimate system about UV varnishing quality.

本论文是对印刷品UV上光工艺规范化和膜层质量评价体系的研究。

The optimum UV varnishing oil quantity in full format UV coating on coated paper used in textbook cover was studied.

研究了用铜版纸印刷的中小学课本封面进行UV上光时，上光油的最佳用量。

O3/UV process is a kind of AOPs, which combined O3 with ultraviolet radiation, under the radiation of UV, O3 is accelerated its decompounding course remarkably, and generated the strong oxidant hydroxyl radicals in solution.

臭氧紫外光（O3/UV）法是将臭氧与紫外光辐射相结合的一种高级氧化技术。在紫外光的辐射下臭氧显著地加速了分解速率，在溶液中形成具有强氧化特性的羟基自由基。

Convex-concave, convex sense of local UV (such as the card companies Microfilm effect).

凹凸，凸感局部UV。压纹，七彩UV等特殊效果

UV light system of die head UV curing possesses the function of shutting light.

模头 UV 干燥处理的紫外线灯系统具有停机时的遮断光射功能。

Soybean hypocotyls were treated with doses of UV-B at 8.22 kJ/m~(2d and 12.42 kJ/m~(2d UV-B radiation, corresponding to depletions in the stratospheric ozone of about 12 % and 20%, respectively, for a clear solstice day at Lanzhou city (36.04°N, 1550m),China.

报道表明增强 UV - B辐射会引起细胞 DNA形成嘧啶二聚体 [2 ] ，影响细胞正常代谢和分裂 [3] ，导致黄瓜子叶 [4 ] ，欧芹叶片 [5] ，小麦叶片 [6 ] 细胞分裂速度减慢。

Rresults from those studies can be summariazed as follow:(1) A preliminary study no correlationship between the UV-VIS reflection spectrum of tomato fruit surface and the lycopene amount of tomato fruit was undertaken. Based on observation from this study, a damage-free and in-situ detection technique of lycopene amount from tomato was developed with UV-VIS reflection spectroscopy;(2) The geometrical isomers of lycopene were separated successfully on C30-HPLC-PDA-ELSD. The absorption coefficients of Z-isomers were consequently dedermined. The geometrical isomer composition of lycopene could therefore be assessed. Those efforts formed a solid base to identify the natural product from synthetic compound of lycopene;(3) Lycopene resource from the fruit of Autumn oliver was proved to be available for industrial application. An extraction methos of lycopene from the fruit of Autumn oliver by supercritical carbon dioxide was developed at laboratory scale;(4) A method to extract lycopene by supercritical liquid with improved efficiency was developed; Data from this investigation suggested that a proper raw material pre-extraction process was important for a better extraction efficiency;(5) Variation in the geometrical isomer composition of lycopene during its metabolish in rat was assessed. A large amount of Z-isomers were observed. This variation took place in serum;(6) The absorption rate and accumulation in serum of natural lycopene in rat were assessed;(7) Ability to quench singlet oxygen by different geometrical isomers of lycopene was compared;(8) It was detected that whether natural lycopene had functions to regule blood-lipids and LDL antioxidation;(9) A C31 degradation piece of lycopene was found in the prostate gland of rat.

研究结果包括：[1]应用UV-VIS反射光谱法建立了番茄果实中番茄红素含量的无损伤、现场检测技术；[2]应用C30-HPLC-PDA-ELSD技术实现了对番茄红素几何异构体的分离，测定了不同顺式异构体的吸光系数，建立了天然番茄红素几何异构体组成的检测方法，为区分和鉴定人工合成品和天然产物奠定了基础；[3]证实了秋橄榄果实中的番茄红素资源具有工业开发价值，并建立了超临界CO_2萃取的实验室方法；[4]探索了提高番茄红素超临界流体萃取效率的方法，证明了物料前处理对提高萃取效率起了极其重要的作用；[5]观察了番茄红素在大鼠体内几何异构体组成的变化情况，发现了大量顺式异构体的存在，并证实了几何异构体组成在血清中发生了显著变化；[6]测定了天然番茄红素在大鼠体内的吸收率和在大鼠血清中的动态积累规律；[7]比较了不同番茄红素几何异构体淬灭单线态氧的能力；[8]检测了天然番茄红素是否具有调节血脂作用和抗低密度脂蛋白氧化的功能；[9]首次发现大鼠前列腺内存在番茄红素C31降解片段，并证实其仍具有淬灭单线态氧的能力。

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。