The research and solutions of the impurity elements in the Ag-Cu-Zn brazing filler metal was introduced.
概述了Ag-Cu-Zn系钎料中杂质元素的研究状况及应对措施。
And dye. The results from the whole experiments and sensitometric results from these emulsions showed: 1 that sensitization of Zn-EDTA or Cd-EDTA on silver bromide emulsion was affirmed; 2 That a cooperation sensitization of Zn-EDTA or Cd-EDTA, sulfur plus gold, and dye could be carried out to make a higher level of sensitization; 3 That a cooperation sensitization of Zn-EDTA or Cd-EDTA, on the basis of and dye, with oxalate-doped was carried out to make a higher level of sensitization without any increase in the level of fog.
对实验过程的考察和感光性能的测试结果表明，Zn-EDTA或Cd-EDTA对细微粒溴化银颗粒乳剂均有显著的增感效应；Zn-EDTA或Cd-EDTA增感可在传统硫加金增感基础上与光谱增感协同作用，三者具有兼容和可加和性；Zn-EDTA或Cd-EDTA增感可在传统硫加金增感与光谱增感协同作用的基础上，与草酸根内部掺杂增感兼容，实现四者的协同作用，而不引起乳剂灰雾增加。
Patankar model has been used on Cu-Zn alloy surface to fabricate bionic coupling structure by means of laser photograph technology.
应用激光掩膜精细加工技术，在Cu-Zn合金表面构建了Patankar模型，使合金表面与水的实际接触角由光滑表面的82.5°降低到31.5°，亲水能力提高了62%。
The worthy metals Cu, Zn and cyanide sodium from the effluent of cyanideabstract gold have been retrieved.
国内首次采用萃取电积法处理氰化浸金贫液新工艺，进行半工业试验。
Analyse certain question that claim attention in application of direct current IP to prospecting Pb-Zn ore.
本文收集了笔者近年来在栾川西部地区所作的激电资料，通过综合整理和研究，分析了铅锌矿的直流激电异常特征。
In the bulk simulated acid rain solution with pH value 2.4--3.8, the electrochemical impedance spectroscopy of zinc consists of a capacitive loop in high frequency and an inductive loop in low frequency, the control step for corrosion of zinc is charge transfer process.
在pH值为2.4--3.8的模拟酸雨本体溶液中，Zn的阻抗谱由高频容抗和低频感抗构成，Zn的腐蚀受电荷传递过程控制。
It was shown by the experiments that the radius of the Zn rod is new factor which affects the thickness of the diffusion-solution zone.
实验表明，除扩散温度和时间对扩散层有影响外，扩散偶的几何尺寸对扩散层的形成也有影响。
The interactions between ctDNA and Pd-TMPyP or Zn-TMPyP were studied by the solid substrate room temperature phosphorimetry. The experiment results indicated that Pd-TMPyP intercalate into ctDNA base pairs and Zn-TMPyP aggregate on the surface of ctDNA. New methods of determining DNA have been established by the solid surface room temperature phosphorimetry. [3]. A new intramolecular charge transfer probe, namely 4''-dimethylamino-2, 5-dihydroxychalcone has been synthesized.
固体基质室温磷光光谱法考察了钯-四卟啉配合物及Zn-TMPyP与ctDNA的作用，结果表明Pd-TMPyP嵌插在ctDNA碱基对中，Zn-TMPyP 在ctDNA表面聚集；探索出了固体基质测定ctDNA的新方法。
Theoretical analysis and experimental results indicate that reaction of zinc with selenide as fully as possible under H2-O2 flame at about 1500℃ is the key step in the synthesis process and prolonging holding time at high temperature, which makes the diffuse reaction adequately take place, is favourable to obtain stoichiometry ZnSe polycrystalline.
理论分析和实验研究均表明：前期H2-O2焰下高温灼烧(~1500℃)使Zn和Se充分反应，是合成工艺的关键；延长后期恒温时间（不少于2周），使扩散反应进行完全，有利于获得更接近化学计量比的ZnSe多晶料。
Catalyst samples of Cu-Ni, Cu-Ni-Zn, Cu-Ni-Mg and Cu-Ni-Zn-Mg supported on CaCO〓 with different Cu: Ni ratio were prepared and tested by amination of n-dodecanol with dimethylamine with batchwised reactor in liquid phase.
本工作中我们制备了以CaCO〓为载体的Cu、Ni比例不同的Cu-Ni、Cu-Ni-Zn、Cu-Ni-Mg及Cu-Ni-Zn-Mg四系列共27个催化剂并用所制的催化剂进行月桂醇和二甲胺的间歇式液相胺化评价。
Zinc oxide dissolves in Boron oxide and reacted with titanium oxide(TiO2) to form Zn2TiO4. With the increase of content of ZnO, the temperature coefficient of frequency reduced to negative, dielectric constant minished and did disadvantage to Qf Value.
辅以ZnO为温度系数调节剂，低温下ZnO与基相中TiO_2反应生成Zn_2TiO_4；随着ZnO含浙江大学硕卜论文量的增大，体系的频率温度系数减小且变为负值，介电常数也低于基相，不利于提高Qf值，频率温度系数随着烧结温度提高而增加。
This method is brief, rapid and accurate. It can be used to analyze and measure the trace elements of opercalina turperthum. It can be found that Cu、Zn、Fe、Ca、Mg、Mn、Sr is rather rich in the opercalina turperthum. It has significant value to direct the further study of opercalina turperthum on the pharmacological action.
该方法简便，快速准确，适于分析测定盒果藤中的微量元素，测定结果发现盒果藤中含有丰富的Cu、Zn、Fe、Ca、Mg、Mn、Sr元素，对今后研究其药理作用有重要的意义。
The results have shown that there is the higher selectivity for the Pb~(2+) adsorption in the binary and ternary solutions of Pb(NO3)2, Cu(NO3)2 and Zn(NO3)2. The adsorption capacities for Pb~(2+), Cu~(2+) and Zn~(2+) are 186, 38 and 35mg/g, respectively, in the ternary solutions which the initial solution concentrations is 0.002mol/L.
通过Pb(NO3)2、Cu(NO3)2和Zn(NO3)2中二元或三元混合溶液的吸附测试可知，P高吸水性树脂对Pb~(2+)的吸附具有较好的选择性，在初始溶液浓度为0.002mol/L的三元混合溶液中吸附Pb~(2+)、Cu~(2+)和Zn~(2+)的量分别为186、38和35mg/g。
When the frequency is 15Hz and number of ampere turns is 20kA·turn, relative intracrytalline solubility of alloy elements (for Zn, Mg and Cu the solubility are 68.8%, 76.0% and 45.0％, respectively) is the highest; when the frequency is 15Hz and number of ampere turns is 20kA·turn, Vicker hardness is the highest of Hv160; when the frequency is 25Hz and number of ampere turns is 20kA·turn, ultimate tensile strength is the highest of 324MPa.
频率为15Hz，安匝数为20kA·turn时，Zn、Mg和Cu元素相对溶质固溶百分数最高，分别为68.8%、76.0%和45.0％；频率为15Hz，安匝数为20kA·turn时，锭坯维氏硬度最高为Hv160；频率为25Hz，安匝数为20kA·turn时，抗拉强度最高为324MPa。
The fourier transform infrared photoacoustic spectra of tetra-(para-decylnoyloxyphenyl) porphyrin TDPPH2 and its Mn, Fe, Co, Ni, Cu and Zn complexes in the range of 190~3600cm^(-1) were measured and investigated.
研究四－苯基卟啉及其配合物在190~3600cm^(-1)范围内的傅立叶变换红外光声光谱，对主要谱带进行经验归属。
It had been discussed about the synthesizing scheme of predecessor about diethyl zinc used in the method of sol-gel, problems existed in it also were pointed out. Such factors caused influence to the granularity of zinc oxide powders had been systematically investigated as temperatures and times of hydrolyze reaction, the kinds and amount to be used of exterior dispersant, the value of pH, the Moore ratios of raw materials, the temperatures and times of calcinations, it had been indicated by the results that under the conditions of the Moore ratio of raw materials was 1 to 1.25, the temperature and time of hydrolyzing reaction was 80 C and 4hours respectively, PHSA used as exterior dispersant and the amount of which was 0.35%, the value of pH was 7.0, the predecessor of zinc hydroxid could be prepared out. Under the circumstance of the best calcination technics, the temperature and time of calcination was 700 C and 2.5 hours respectively, nanometer zinc oxide had been prepared.
试验探讨了溶胶—凝胶法中前驱体——二乙基锌的合成方案，并指出了其存在的问题所在；系统地考察了均匀沉淀法中的影响因素，如溶液水解反应温度、水解反应时间、表面分散剂的种类、表面分散剂的用量、溶液水解pH值、原料摩尔配比、焙烧温度和焙烧时间对氧化锌粉体粒径的影响，结果表明：在原料摩尔配比n[Zn(CH_3COO)_2]：n=1：1.25；水解反应工艺条件为：80℃×4h；以PHSA作表面分散剂，且其用量为0.35％；用酸、碱调整溶液pH值为7.0条件下可以制得前驱体Zn_2，前驱体氢氧化锌的最佳焙烧工艺制度为：焙烧温度700℃，焙烧时间2.5h。
The finding of this two ecotypes of Sedum alfredii Hance is of importance for understanding physiology, biochemical and microevolution mechanisms of Zn tolerance and hyperaccumulation of plants.
这两种生态型东南景天的发现，为今后探讨植物耐高Zn胁迫和超积累Zn的生理生化机制和植物抗高锌胁迫的微进化过程提供了非常有价值的材料。
Activity of antioxidase can be increased by supplement of Zn MT, thereby improving the power of anti stress.
补充外源性Zn MT可提高应激机体的抗氧化物酶活性，从而提高机体的抗应激能力。
The electrochemical property of 5-o-phenyl-10, 15, 20-triphenylporphyrin(o-AlaNC 2-OTPP)and its zinc complexes(o-AlaN-C 2-OTPP·Zn)have been investigated with cyclic voltammetry in CH 2Cl 2 using TBPA as electrolyte.
本文采用循环伏安法研究了 5 -邻苯基- 10 ，15 ，2 0 -三苯基卟啉及其锌配合物在CH2 Cl2 为溶剂和TBPA为电解质条件下的电化学性质。
The calculated density of states is very consistent with UPS experimental results of ZnO, in detail, the shape、position and band width of the upper-valence band are perfectly consistent with the experimental result; though the Zn3d levels are estimated somewhat high, its shape is consistent with experimental result and shows two subpeak which are four-fold peak and six-fold peak respectivly.
计算得到的理想ZnO的态密度曲线与光电子能谱的实验结果非常一致：上价带中O2p是主要成分，它的子峰位置及带宽与实验值吻合的非常好；下价带中Zn3d是主要成分，虽然它的位置偏高，但它的谱形与实验曲线非常一致。