金属度
- 网络Metalness
-
银河系厚盘恒星的年龄-金属度关系
Age - Metallicity Relation of Stars in the Galactic Thick Disk
-
球状星团金属度的分布表明球状星团可能有三个形成时期,分别与三类形成模型对应;
The metal1icity distributions imply three probab1e epochs of globular cluster formation corresponding to three kinds of formation models .
-
用X射线测定金属晶粒度的新计算方法
The New Calculating Method Used for Measuring the Grain Size of Metal by X-rays
-
一种提高Mo-Ni/Al2O3催化剂金属分散度的方法研究
Study on Method of Enhancing the Dispersion of Mo , Ni onto the Mo Ni / Al 2O 3 Catalyst
-
用H2-O2滴定法测得0.3(wt)%Pd/Al2O3的金属分散度为22.0%。
The metal dispersion of 0.3 % Pd / Al_2O_3 is 22.0 % measured by H_2-O_2 titration .
-
结果表明,与普通浸渍法相比,超声浸渍法制备的负载型Pd催化剂金属分散度明显提高,因而对蒽醌加氢反应表现出较高的催化活性。
The results show that the activity of the supported catalysts prepared with ultrasonic treatment for anthraquinone hydrogenation is higher than those without ultrasonic treatment . Methods : WHO standard bioassay ( dipping test ) .
-
介绍了采用脉冲色谱技术,用氢滴定吸附在钯/炭(Pd/C)催化剂中Pd表面上的氧,从而建立了测定催化剂上金属分散度的方法。
This paper introduced the determination method of metal dispersion degree in Pd / C catalyst with pulse chromatogram technology to adsorb the oxygen in Pd surface of the Pd / C catalyst with hydrogen titration .
-
Mo-Ni-P浸渍液性质与催化剂中金属分散度的关系
Relationship Between Property of Mo-Ni-P Solution of Impregnation and Dispersity of Metal on Catalyst
-
利用TPD(或TP)-IR动态方法,详细研究了由Rh4(CO)(12)衍生的Rh4/Al2O3上金属分散度、CO覆盖和表面碳对CO吸附类型的影响。
Effects of dispersion of Rh , CO coverage and surface carbon on the adsorption types of CO over Rh4 / Al2O3 derived from Rh4 ( CO ) 12 have been investigated in detail by using TPD ( or TP ) - IR dynamic method .
-
当需要大致估计金属晶粒度时,新方法是有价值的。
It is valuable when the grain size of metal is estimated approximately .
-
快速再结晶退火过程金属晶粒度的计算
Prediction of the Grain Size in Rapid Recrystallization Annealing
-
液态金属清洁度在线检测技术综述
Review on Online Cleanness Testing Technique of Metallic Molten
-
脉冲色谱氢氧滴定法测定Pd/C催化剂上的金属分散度
Determination of Metal Dispersion Degree in Pd / C Catalyst with Pulse Chromatogram Hydro-oxygen Titration Method
-
提出了控制合金成分、提高金属纯洁度的方法,重点提出了解决扁铸锭裂纹的措施。
The methods about controlling alloy components and increasing melt purity were presented . The methods of preventing casting crack were presented .
-
利用化学吸附仪中的脉冲吸附技术还可对催化剂的酸性、表面金属分散度、金属与载体的相互作用等进行研究。
In addition , its pulse chemisorption function can provide valuable information about surface acidity , surface metal dispersion and the interaction between metal and support .
-
总结了铸锭晶粒度、第二相质点大小和金属纯洁度对空调箔力学性能的影响,介绍了改善铸锭晶粒结构、减小第二相质点尺寸和减少金属夹渣的方法。
The influence of slab grain size , dimension of second phase particle and metallic purity on the mechanical property of the foils for air-conditions are summarized .
-
在铝板带铸轧生产过程中施加超声处理,改善了成分偏析,细化了铝金属晶粒度,产品质量大大提高。
The ultrasonic leading in aluminum cast-rolling process can improve improve the ultrasonic composition segregation , detailed the aluminum metal crystallite size , and the quality of product is greatly improved .
-
当前废线路板的主流处理技术是机械物理法,但机械物理法在破碎过程中存在破碎设备磨损严重,金属解离度低等限制因素。
The mainstream technique of waste PCB treatment is physical mechanics method . However , the abrasion of the crushing machine during the smash procedure limits its application . The low level of metal dissociation degree is also a problem .
-
比较了锤式粉碎机、振动磨和微粉碎机在常温条件下粉碎线路板时,金属解离度、粒级分布、金属分布率以及颗粒形状的差别,探讨了线路板的解离机理。
The metal liberation degree , particle size distribution , metal distribution and particle shape were compared and analyzed under three conventional crushers , viz hammer mill , vibrating mill and shredder . The liberation mechanics of PWBs were discussed based on liberation degree of metal composition .
-
La2O3有增加金属Ni分散度的作用,其含量低于6%时,催化活性随La含量增加而上升。
The lanthana increased the dispersity of metallic Ni and the catalytic activity increased with the increase of La_2O_3 content ( in the range of 0-6 % ) .
-
多孔金属通孔度的控制
Control of the degree of pore - opening for porous metals
-
测量金属膜粗糙度的表面等离子激元光谱方法
Surface Plasmon Spectroscopy for Measuring the Surface Roughness of Metallic Films
-
扫描隧道显微镜在金属表面粗糙度检测上的应用
Application of Scanning Tunneling Microscopy on the Roughness Measurement of Metal Surface
-
这金属因刚度强而产生裂纹。
The rigidity of the metal caused it to crack .
-
废水厌氧处理系统微量金属生物有效度及影响因素
Bioavailability of Trace Metals in Anaerobic Wastewater Treatment System and Its Affecting Factors
-
金属表面光滑度对第一类金属电极电极电势的影响
Surface Smooth Level of Metal Makes That Electric Potential of First Metal Electrode be Reduced
-
同时,建立了利用红外反射光谱法表征金属表面光洁度的方法。
Also , the testing method based on FT-Infrared is developed to demonstrate metal surface smoothness .
-
起重机金属结构可靠度分析
Structural Reliability Analysis of the Derrick
-
江西永平地区铜多金属成矿有利度评价
The Appraisal of Favorableness to Ore-Forming of Copper and Polymetallic Ore in YongPing of Jiang Xi Province
-
深海浅地层剖面特征及其与多金属结核富集度的关系
Features of subbottom profile in the deep sea and the relationship of the abundance of polymetallic nodules