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- It was efficient to use Sephadex G 50 column chromatography and ultra violet absorption spectrometry atomic absorption spectrophotometry in isolation, and then it was followed by quantitative analysis of chromium binding substances. 采用葡聚糖凝胶G?50柱层析法分离低分子蛋白效果好。
- Keywords multivariable linear regression(MVLR);(UVAS) ultra violet absorption spectro photo metry;sodium benzoate(SB);potassium sorbate(PS); 多元线性回归;紫外吸光光度法;苯甲酸钠;山梨酸钾;
- Use an ultra violet property marker. 使用紫外线财产标记。
- In the first place, the pigments protect them from the intensive ultra violet rays found at high altitude. 首先,由于海拔高日照强,色素可以阻碍过强紫外线的照射。
- Ultra violet (UV) radiation has limited penetration and thus its application in food safety is also limited. 紫外辐射穿透物质的能力有限,因此,其在食品安全方面的应用也有限。
- Pale violet or ultra violet as it shines through the sun is the tone of erasure. 浅紫色和极端的紫,当它由太阳照耀出时,是“擦除”音调。
- The pile is fully siliconised and also UV stabilized to minimise the effects of ultra violet light and can withstands wide range of temperature variation. 在毛条里加如硅而制成的硅化毛条还能很好的抵抗紫外线的影响和温差引起的变形。
- The visible light absorption curve and heat recovery curve of mercuric and zinc dithizone in PMMA and PS are also measured. 测定了两种金属双硫腙在聚合物介质中的基态及激发态可见光谱吸收曲线,及其在黑暗环境下的热回复曲线。
- Methods:Content of levofloxacin lactate and glucose were examined with ultra violet spectrophotometry and polarimetry, respectively. 方法:用紫外分光光度法测定左氧氟沙星的含量,旋光法测定葡萄糖含量。
- Strengthened skin immunity. Anti-free radicals. Prevents the formation of Melanin. Increase resistance to Ultra Violet rays. 化皮肤之抵抗力、抗自由基、抑掣黑色素的形成、增?抵抗紫外线之能力。
- When the porosity and pore diameter reduced,the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time. 随着孔隙率、孔径的减小,多孔铝的共振吸声系数有所下降,吸声频谱曲线向低频方向移动,且频带宽度展宽。
- The ultra violet (UV) rays that cause suntans also cause a kind of chemical, called endorphins, to be released into the blood. 造成皮肤晒黑的紫外线,也会造成一种称为脑内啡的化学物质被释放进血液中。
- Observation of surface sunny ul traviolet radiation is mainly done by the UV spectroradiometer and filter ultra violet radiation meter. 紫外线辐射强度的观测主要使用紫外光谱辐射计与滤光片式的紫外辐射表。
- UV inhibitors are another clear coat additive that helps prevent the sun's ultra violet rays from fading the color coat under the clear coat. 紫外线的抑制剂在防止漆面褪色时,是另外一种可以防止紫外线辐射的添加剂。
- Some description is given of the measurements of the capacitance,the loss angle and the absorption curve of aged insulator samples of different deqree and also those of new insulators for comparison. 本文又对一些已老化的绝缘子样品作了电容、介质损耗和吸收曲线等试验并和新绝缘子作了比较,进一步对绝缘子老化试验研究方面提出了意见。
- A method for the determination of Fluvalinate in Shamanwei by high performance liquid chromatography was developed with the peak specified by using ultra violet spectrometry. 研究建立了杀螨威中阿波罗的高效液相色谱分析方法,利用紫外光谱方法确定了阿波罗的峰位置。
- The content of surface oligomers, which are the most important facts causing problems for dyeing, was measured through standard ultraviolet absorption curve and its veracity was also assessed. 针对严重影响聚酯纤维染整加工的表面低聚物,采用薄层色谱和紫外光标准吸收曲线表征了聚酯纤维表面低聚物含量,并对其准确性进行了评定,该法具有简便、快速、准确测定聚酯纤维表面低聚物含量的优点。
- We simulated the absorption process in aluminum of several different energy monoenergetic electrons with EGSnrcMP Monte Carlo code,draw the absorption curve,and make a comparison between the simulation result and the experiment result. 运用EGSnrcMP蒙特卡罗程序模拟了不同能量单能电子在铝吸收体中的吸收;画出吸收曲线;并将模拟结果与实验结果进行比较.
- It was found that the prepared gold particles had bad space dispersion, broad size distribution, and bad symmetry of absorption curve by the micrographs and absorption spectra of PGC. 给出了提高纳米粒子浓度的两种方法。
- Thus , due to the action of ultra violet rays on the skin , substances are produced in the skin which get into the blood and accelerate the processes of metabolism in the various organs of the body. 因此,由于紫外线在皮肤的作用,皮肤里产生一些物质进入血液,可促进人体各个器官的代谢作用。