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Synthesis and biological activities of some fluorine- and piperazine-containing 1,2,4-triazole thion
A series of fluorine- and piperazine-containing 1,2,4-triazole thione derivatives were synthesized by the Mannich reacti......
The present investigation studied the effects of different kinds of ceramic foam filters (CFF) incorporating gas bubblin......
In the wire bonding process of microelectronic packaging,heat affect zone(HAZ)is an important factor governing the loop ......
The non-isothermal crystallization kinetics, isothermal crystallization and the morphology of crystals of the copolymer ......
Ocean-Continent Subduction within the Paleotethyan Archiopeligic Ocean from Mineralogical Evidence o
Former studies show that the Muztag ophiolite, outcropped in the East Kunlun area of Xinjiang, formed in a supra-subduct......
SHRIMP U-Pb zircon dating for lamprophyre from Liaodong Peninsula: Constraints on the initial time o
It is undebated fact that the lithospheric mantle beneath eastern China was considerably thinned during the Mesozoic tim......
Numerical simulation and analysis of moisture-heat coupling of soft rock tunnels in the cold regions
With the western development in China, more problems with rock and soil engineering in cold regions will be encountered......
The glaciers of the Hengduan Mountains play an important role in the hydrology processes of this region. In this study, ......
The evolution of the upward migration of the magma is a nonlinear and unstable problem in mathematics. It is difficult t......
This test method is used to determine the property of lubricants by measure the pa-rameters such as the coefficient of ......
Novel shish-kebab type liquid crystalline poly(p-phenylenevinylene) derivatives were synthesized by Stille coupling reac......
Adhesive strength and structure of micro-arc oxidation ceramic coatings grown in-situ on LY12 alumin
The ceramic coatings containing zirconium dioxide were grown in-situ on LY12 aluminium alloy by micro-arc oxidation in m......
In China, the research and development of vermicular graphite cast iron (VGCI) as a new type of engineering material, we......
Discovery of the Indosinian aluminum A-type granite in Zhejiang Province and its geological signific
Zircon LA-ICP-MS U-Pb dating of the Jingju syenogranites in the southwestern part of Zhejiang Province shows that these ......
Phosphorus plays an important role in the solidification, segregation and as-cast microstructure of superalloys. In orde......
Because of the global warming and the increasing human activity, the air temperature and the precipitation along the Qin......
An increasing {110} orientation degree behavior was observed during etching of chemical vapor deposition (CVD) diamond f......
Effect of AB_(2-)based alloy addition on structure and electrochemical properties of La_(0.5)Pr-(0.2
The La 0.5Pr0.2Zr0.1Mg0.2Ni2.75Co0.45Fe0.1Al0.2(M1) and Zr0.65Ti0.35(Mn0.2V0.2Cr0.15Ni0.45) 1.76(M2) hydrogen storage al......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
结合蓄热式铝熔炼炉熔炼过程的特点，运用FLUENT UDF和FLUENT Scheme混合编程，耦合用户自定义熔化模型和燃烧器换向及燃烧量变化模型，......
Microencapsulated n-alkanes as energy-storage materials have promising application prospects.The microcapsules containin......
采用分子动力学模拟的方法研究了SrTiO3的液体与非晶固体的近程结构。势函数包括coulomb作用、Busing-Ida-Gilbert及Morse势。加热......
采用近似分析方法对熔融物完全排除的有限厚度的无限大板熔融问题进行了较为细致的探讨。针对具有恒热流边界的情况，得出了熔融位置......
通过对金川集团有限公司治炼厂含Ni，Co，Cu等重金属离子废水膜过滤处理工艺的工业性实验数据的分析，得到处理该种废水的合理工艺流程、......
文章介绍了近年来发展的一种激光加工高科技技术一一金属表面的激光处理,并对该项技术的特点、分类、激光设备以及国内外工业应用......
针对无线电引信内部没有泄压通道无法实现烤燃环境下传爆药反应产生气体向外排放的问题,提出了基于熔解装置的引信内部排气路径。......
与胶东金矿有密切关系的玲珑片麻状花岗岩、栾家河二长花岗岩、郭家岭花岗闪长岩、上庄二长花岗岩4种类型花岗岩中矿物包裹体的发......
冷却废气再循环(EGR)系统可以有效降低汽车尾气中NOx的排放,核心部件EGR冷却器一般采用真空钎焊工艺制造。综述了应用于真空钎焊不......
This paper has constructed two kinds of atomic and electronic models for hexagonal β-Mo2C and orthorhombic α-Mo2C. The......
对辉钼精矿在Na2MoO4-Na2SO4体系的熔盐氧化过程进行了研究,探索了不同的工艺参数对钼的转化率和脱硫率的影响.研究结果表明,在熔......
对D．w．Vankrevelen经验公式进行了修正，并对脂肪族聚酯的熔点进行了计算。结果表明，修正后的公式比原公式准确性显著提高，可对脂肪族聚......
著名德语作家赫尔曼·黑塞的经典作品充满哲思,紧扣个体孤独与人生探寻、人类精神困顿、历史发展与命运等永不褪色的时代主题,......
研究了熔融固化产物--熔融渣的特性.结果表明:熔融渣的主要成分为CaO,Al2O3和SiO2,其含量占总质量的99%左右,而SO3,N2O,Na2O和Cl在......
用冲击加载手段对一种多孔铁材料的高压声速进行了研究。研究结果表明，该多孔铁材料的冲击熔化压力范围在122～157GPa之间，利用多孔铁......
本文分析了大型精密注塑模生产中产生“顶白”，熔接痕等缺陷的原因，讨论了这些缺陷与模具结构设计的关系，介绍了在模具设计、试模及生......
为建立灵敏、可靠的食品中鸭源性成分鉴定方法，确定了一对可特异地检测出牛肉中所掺杂鸭肉成分的引物，建立了SYBR Green I实时PCR技......
研究了快速凝固工艺对Sn-8Zn-3Bi合金显微组织和熔化特性的影响,分析了经150℃高温时效后钎料/铜焊点显微组织演变以评估连接的可......
描述了硅微波功率三极管的失效模式，给出了器件输出功率与器件耗损功率的关系，得出了微波脉冲电流与有效值的关系，证踞了器件在规定的......
提出了以无水氯化锂和无水氯化铝为原料，在干燥的空气中通过熔融反应合成氯化铝锂的新工艺。该工艺比已有的在氦气条件中合成氯化铝......
论述冲天炉熔炼提高铁液质量的方法,包括原材料的选择、冲天炉形式的选择、熔炼操作、铁液化学成分和温度控制、铁液脱硫、合金化......
用恒温分子动力学方法研究（AgBr）n（n=7～9）团簇的热力学行为。结果表明：在中温区,（AgBr）9的结构扭曲较严重,（AgBr）7的结构发生正侧面轮换,但仍......
用恒温分子动力学方法研究了（AgBr）n（n=9，12，16）团簇的熔化行为。结果表明：在低温区，团簇中原子间的相对位置变化很小；在中温区，原子开始扩散......
Hornblende-dehydration melting experiments at high temperatures (> 950oC) indicate change of melt composition from tonal......
以一定比例的LiCl-LiNO3为低熔点共混物，采用熔盐法合成了电化学性能良好的LiNi0.5Mn1.5O4，XRD表征结果显示产物为单一尖晶石相，SEM表......
The amounts of rare earth in the solid solution in steel 16Mn were determined by means of inductivecoupling plasma(ICP)s......
将一台ＧＷ０．２５－１６０－１／ＫＧＰＳ１６０－１晶闸管中频炉，即额定容量２５０ｋｇ，额定频率１０００Ｈｚ，额定功率１６０ｋＷ的温闸管中频熔炼炉改造感应圈，在中频电源条件不变的情况下提高熔化率，缩短熔化时间......
Effects of Structural Parameters on the Poisson’s Ratio and Compressive Modulus of 2D Pentamode Stru
Metamaterials have been receiving an increasing amount of interest in recent years. As a type of metamaterial, pentamode......
从钛合金基体和增选择ＴＭＣｓ的制备方法，ＴＭＣｓ的微观组织和界面结构，ＴＭＣｓ的性能和ＴＭＣｓ的应用５ 个不同方面叙述了自生颗粒增强型钛基复合材料的研究进展。......
