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- Once they had had their catalytic effect, they would have split back off again and gone their own ways. 一旦核反应发挥了其催化性效果,它们将再一次地倍分裂并重复其原始运动方式。
- Therefore, the rare earths in steels have a significant catalytic effect during those ... 因此,钢中稀土具有显著的促渗作用,并提高渗层硬度。
- The method is based on the catalytic effect of nitrite ion on the oxidation reaction of naphthol green B in a dilute medium. 本文基于磷酸介质中亚硝酸根催化溴酸钾氧化萘酚绿B的褪色反应,建立了测定亚硝酸根的新方法。
- The catalytic effect of zinc on the decolorizing reaction resulted from the oxidation of Victoria blue B with hydrogen peroxide was found. 利用氨三乙酸为活化剂,锌催化过氧化氢氧化维多利亚蓝B褪色的指示反应,催化光度法测定痕量锌。
- The wall catalytic effect is an important factor determining aerothermal heating intensity in the chemical non-equilibrium gas model. 通过与完全气体模型进行了比较,结果发现无论气动力还是气动热都有较大差别。
- Under the catalytic effect of nickel particles, spring-like carbon filaments were synthesized through microwave plasma chemical vapor deposition. 以镍为催化剂,利用微波等离子体化学气相沉积法制备了弹簧状碳纤维。
- The catalytic effect of dibutyl tin dilaurate on thermal dissociation of blocked isocyanate crosslinkers by DSC was also discussed. 另外,还利用DSC,对二月桂酸二丁基锡对封闭异氰酸酯组分热解封温度的影响进行了讨论。
- Methods:The catalytic effect on tyrosinase was determined by vision spectrophotometry so as to evaluate the down-regulation of the extracts of Atractylodes Rhizoma and Poria. 方法:用多巴色素法进行测定,以酶促反应曲线斜率评价对酪氨酸的抑制作用。
- In addition, from the reactivity of DUB and urushiol,it was inferred that boron atom in DUB possessed catalytic effect due to it's empty electronic orbit. 其分子中的硼原子对该游离基聚合反应具有催化作用。
- A catalytic kinetic spectrophotometry method for the determination of trace iron has been established based on its catalytic effect on the oxidative discolour of hydrogen peroxide with thymol blue in acid medium. 基于酸性介质中三价铁离子对过氧化氢氧化百里香酚蓝褪色的催化作用 ;提出了催化动力学光度法测定痕量铁的新方法 .
- The process of low temperature boro carbo nitriding by using of powder B C N RE was studied and compared with those of B C N. The results show that RE have a significant catalytic effect within proper limits. 采用X射线衍射仪 ,恒电位仪 ,摩擦磨损试验机等设备 ,研究了低温硼碳氮稀土 (B C N RE)共渗工艺及共渗层的组织性能 ,并与硼碳氮 (B C N)共渗工艺及组织性能进行了比较。
- The results of the experiment showed that the modified electrode exerts an apparent catalytic effect on the EP oxidation. The peak potentials recorded in PBS buffer solution (pH 7.6) were 0.124 V for AA and 0.192 V for EP. 在pH7.;6的磷酸缓冲溶液(PBS)中;抗坏血酸(AA)和EP在修饰电极上的电位分别为-0
- Based on the catalytic effect of trace tin on discoloring reaction of neutral red oxidized by potassium bromate in 0.036 mol/L sulphuric acid solution,a method for the determination of trace tin by kinetic spectrophotometry has been developed. 基于0 036mol/L的H2SO4介质中,痕量锡对溴酸钾氧化中性红的褪色反应有良好的催化作用,建立了测定痕量锡的催化动力学光度法。
- Based on the catalytic effect of thiocyanate on the oxidation of alizarine red by potassium bromate,a new catalytic spectrophotometric method for the determination of trace thiocyanate was developed. 在磷酸介质中,硫氰酸根对溴酸钾氧化茜素红的褪色反应具有较强的催化作用,据此建立了催化光度法测定痕量硫氰酸根的新方法。
- The results show that oligo-lysine could facilitate the polymerization of silicic acid and the more the amino acid residues contained in the oligo-lysine, the stronger the catalytic effect. 结果发现,寡聚赖氨酸对硅酸的聚合有催化作用,而且随着寡聚赖氨酸所含赖氨酸残基数量的增加,硅酸聚合的反应速度加快。
- Comparing with MCM-41, SBA-15 showed better catalytic effect than MCM-41.Comparing with the diesel(0#), the viscosity and density of the pyrolytic oil were slightly higher than those of diesel. 与没有催化剂存在情况相比,MCM-41和SBA-15的存在能显著降低热解液体的黏度和密度,其中,SBA-15的降低效果更为明显。
- New methods for asymmetric synthesis of pinacol are reviewed, the catalytic effects and stereo-selectivity with various catalytic systems are discussed in this paper. 摘要综述了近年来不同催化体系的不对称合成(口片)呐醇的方法,并总结了不同的催化效率和对映选择性的差异。
- A chemical substance present in the cells of bioluminescent organisms,such as fireflies,that produces an almost heatless,bluish-green light when oxidized under the catalytic effects of luciferase. 荧光素存在于生物性发光有机体(比如萤火虫)中的一种化学物质,它在荧光素酶催化作用下氧化时发生几乎没有热量的蓝绿光。
- A chemical substance present in the cells of bioluminescent organisms, such as fireflies, that produces an almost heatless, bluish - green light when oxidized under the catalytic effects of luciferase. 荧光素存在于生物性发光有机体(比如萤火虫)中的一种化学物质,它在荧光素酶催化作用下氧化时发生几乎没有热量的蓝绿光
- The results indicate that imidazoline inhibitors have good inhibition effectiveness for N80 steel in high salinity solution saturated with CO2.The inhibition is caused by negative catalytic effect. 实验表明,咪唑啉是一种吸附型缓蚀剂,对于碳钢在饱和CO2的高矿化度溶液中的腐蚀有良好的抑制作用,其缓蚀作用是“负催化效应”所致。