metall相关论文
Atomically precise gold nanoclusters have recently attracted intensive attention due to their significance in catalysis,......
Single-edged notched tension (SENT) specimen is used to study the fatigue crack growth rate (FCGR) behavior of AISI 5010......
BiO_x films are prepared by reactive direct current(DC)magnetron sputtering from a metallic bismuth target in Ar + O_2 w......
Most of U-deposits of China, specially the large U-deposits, aresimilar to the U-deposits of many countries. There are c......
The process of the directed oxidiation of al-loy Al-1%Mg-7%Si was invertigated by X-Ray diffraction(XRD),optical microsc......
A novel Smith-Purcell(S-P) free electron laser composed of an electron gun,a semi-elliptical resonator,a metallic reflec......
Based on the theoretical modelling of water-rock δD-δ18O isotopic exchange process,the evolution and sources of ore-fo......
A novel room-temperature microbolometer array chip consisting of an Nb5N6 thin film microbridge and a dipole planar ante......
High-throughput investigations of configurational-transformation-dominated serrations in CuZr/Cu nan
Metallic amorphous/crystalline (A/C) nanolaminates exhibit excellent ductility while retaining their high strength.Howev......
据德刊《金属》1990年第7期报道,伦敦Modular Metal Redemption公司最近研制出回收金属铑的新装置Au5(R)25。这种装置的作用在于......
应用表面机械研磨处理(SMAT)工艺在Fe-30wt%Ni合金上制备出纳米晶表层,同时伴随形成了应变诱发马氏体。通过对表层形貌和成分的表......
Bimetallic Al/Cu nanoparticles with Al/Cu composition 10:90, 20:80, 40:60 were produced by method of simultaneous electr......
In order to obtain the elemental compositions of the projectile and target materials during 2A12 aluminum projectile sho......
The behavior of growth and coarsening of T_1(Al_2CuLi) precipitates was comparatively studied by means of TEM technique ......
The solvent-free reactions of aromatic ketones and aldehydes in the presence of Zn-ZnCl2 were performed with the aid of ......
Hydrotalcite-supported Pd-Cu catalyst for nitrate adsorption and catalytic reduction from water is prepared by co-impreg......
High energy ball milling(HEBM)method was applied to synthesize Ni(OH)2 with different doped elements substitution for Ni......
Effects of centrifugal and Coriolis forces on the mold-filling behavior of titanium melts in vertica
The vertical centrifugal-casting technique is widely used in the manufacture of various irregularly-shaped castings of a......
Influences of Similar Elements on Glass Forming Ability and Magnetic Properties in Al-Ni-La Amorphou
Similar element substitution has been applied for improving glass forming ability (GFA) in Al 86 Ni 9 La 5 amorphous all......
An Fe-based amorphous alloy was found to significantly enhance the reductive degradation of an azo dye in aqueous soluti......
This paper introduces the research status and present situation of application of Pt/Ta composite anode materials for ca......
Surgical implant-associated bacterial infection is becoming a serious clinical problem.A series of copper-bearing titani......
The deformation characteristics of tailor rolled blank(TRB) in the course of uniaxial tension were studied by means of a......
A Novel Method for Achieving Gradient Microstructure in a Cu-Al Alloy:Surface Spinning Strengthening
A new designed surface strengthening method,surface spinning strengthening(3S),was applied to achieve gradient microstru......
Metalloporphyrin-based covalent organic frameworks composed of the electron donor-acceptor dyads for
The visible-light-driven photocatalytic CO2 reduction with high efficiency is highly desirable but challenging.Herein,we......
Shock presure measurements are made with the use of PVDF transducer which is bound at the back face of aluminum targets ......
Hermetic packaging is often an essential requirement to enable proper functionality throughout the device’s lifetime an......
Process mineralogy of copper-nickel sulphide flotation by a cyclonic-static micro-bubble flotation c
In our study we investigated a refractory copper-nickel sulfide ore separation by using a cyclonic-static micro-bubble f......
Microstructure and mechanical properties of the pressure die cast magnesium alloy AZ91D after long-t
The thermal resistance of the pressure die cast magnesium alloy AZ91D is yet not investigated sufficiently. In order to ......
采用干法灰化法处理样品后,应用火焰原子吸收光谱法对抗肿瘤中药白花蛇舌草不同部位的金属元素Ca、Cd、Co、Mg、Fe、Mn、Zn和Pb的......
Phytoremediation has gained increased attention as a cost-effective method for the remediation of heavy metal-contaminat......
甘肃寨上超大型钨、金(锑)多金属矿床位于西秦岭岷-礼成矿带西段,属于复合矿床,具有显著的多期次、多物源和多成因特点。年代学结......
在对莲花山金矿床Ａｕ的成矿阶段划分的基础上，对与Ａｕ的主要成矿阶段密切相关的石英进行了流体包裹体的显微测温和气液相成分分析，结合其他......
选用两种钼粉，用粉末冶金的方法制备出了纯钼板坯．采用金相显微镜、维氏硬度测量仪以及阿基米德排水法等检测方法，分析了轧制后组织的......
通过实验室热模拟和轧制实验研究了添加0.21%Al对成分为0.05%C-1.7%Mn-0.4%Si-0.05%Nb-0.03%Ti(质量分数)的微合金钢奥氏体分解动......
通过室温压缩实验,研究了奥氏体不锈钢302HQA的冷变形行为.组织分析和X射线衍射分析表明,冷变形过程产生了形变马氏体.进一步磁性......
茂原链霉菌谷氨酰胺转氨酶（TGase）是一种能够改变蛋白质功能特性的交联酶。茂原链霉菌发酵过程中，TGase以酶原（Pro—TGase）的形式分泌到......
目的：测定华山出产的地道细辛中Mn、Cu、Zn、Fe这4种微量元素的含量。方法：采用混酸消解后,原子吸收光谱法测定。结果：华山细辛中Mn、......
根据典型矿床的剖面结构，控矿构造，与矿源关系等将中国红土型金矿划分为残积和迁积型两种。对比研究了中国红土型金矿与澳大利亚博丁......
江西冷水坑矿床层状银铅锌矿体严格受控于晚侏罗世巨厚的火山晶屑凝灰岩内的火山集块-角砾岩夹层，其没有或至少没有发生过大规模的......
卡瓦铁矿位于北祁连造山带西段，是新近发现的沉积变质型铁建造。矿石全铁（Fe2O3T，平均45．28％）含量最高，其次为SiO2含量（平均40．50％），并具有较高......
ELECTROCARBOXYLATION OF ORGANIC COMPOUNDS WITH CARBON DIOXIDE CATALYZED BY METALLOPORPHYRINS（Ⅱ）——ELE
The catalyzation of CoTPP for electrocarboxylation of alkyl halides, alkenes and ketones with CO<sub>2</sub> are studied......
基于传感器智能化的设计思想，提出以８０３１单片机为核心传感器计数控制系统。该系统主要由定时／计数同步电路、ＬＣＭ接口电路和光电隔离电路等组......
ＣｈａｒａｃｔｅｒｉｓａｔｉｏｎｏｆａＭｅｃｈａｎｉｃａｌｌｙＡｌｌｏｙｅｄＯｘｉｄｅＤｉｓｐｅｒｓｉｏｎＳｔｒｅｎｇｔｈｅｎｅｄＮｉｅｋｅｌ－ｂａｓｅＳｕｐｅｒａｌｌｏｙＳｈａＷｅｉ（沙维）ＤｅｐｅｒｔｍｅｎｔｏｆＭａｔｅｒｉａｌｓＳｃｉｅｎｃｅａ.........
法国ALSTOM公司生产的9E空冷发电机出口软连接铜片连续两次断裂,通过对材料不同区域、制造工艺、运行系统等方面进行试验和分析,认......
河南九槽沟矿区位于华北板块构造带与扬子板块构造带结合部河南淅川-陕西商南石墨成矿带上,通过地质工程、测试、资料收集、综合研......
采用火焰原子吸收分光光度法分别对蛇床子全药材、水提醇沉以及总香豆素提取过程不同部位的六种金属元素的含量进行了测定。实验结......
