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Abstract: Study is made of recovery of organic reagents during the preparation of ultrafine powder by metal alcoxides hydrolysis.The Phase diagrams of isopropanol-benzene system and isopropanol-benzene-water system have been plotted,based on which,isoprop
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文摘:对醇盐水解法制备超细粉末过程中有机试剂的回收进行了研究，绘制了异丙醇-苯的二元相图和异丙醇-苯-水的三元相图，在此基础上采用蒸馏-精馏的方法对制备体系中的异丙醇和苯进行回收，将有机试剂循环使用，使醇和苯的回收利用率达75%以上，因而减少了环境污染，并降低了粉末成本。 |
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Abstract: Study is made of the mechanism of carbon impurity in the Nd metal during the production of metal Nd by molen-salt electrolysis.The main technological factors determing the carbon content in the Nd metal product are described.
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文摘:在用氧化物熔盐电解法生产金属钕过程中，对杂质碳进入金属钕中的机理及影响产品金属钕中碳含量的主要工艺因素进行了分析研究。 |
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Abstract: Study was conducted by monitering hemoglobulin, weight and skin-fold in 60 patients after renal transplantation in hospital.Balanced diet of high protein,low fat,high calcium,adequate vitamin and complex carbohydrates were given during hospitali
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文摘:对60例肾移植患者血红蛋白、体重、皮褶厚度等指标的进行监测，并为患者提供优质蛋白质、低脂、高钙、丰富维生素、复合碳水化合物等均衡饮食，维持了患者的正常体重，有效防治了低蛋白血症、高脂血症和高血糖等并发症，提高了患者的生命质量。 |
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Abstract: Super-large diameter electromagnetic flowmeter is one of the new type of water flowmeter.
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文摘:特大口径电磁流量计是一种新型的大口径水计量仪表。 |
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Abstract: Suppressing airdefense operation has become a main type of air attack in order to decrease danger and man damage, pilotless aircraft is just suitable to this requirement.
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文摘:压制防空作战已成为近期局部战争的一个主要空中攻击作战模式,降低风险、减少人员伤亡是这种战法的初衷,无人机正适应这种需求。 |
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Abstract: Synthesis of 3,3’-dinitrochalcone under ultrasound irradiation using K2CO3 catalyst was reported in this article. This method have advantage of convenient operation, short reaction time and high yield.
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作者简介:王维(1976－)，男，回族，安徽全椒人，硕士研究生，主要从事高分子功能材料方面的合成与应用研究。 |
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Abstract: Synthetic method of butyl butyrate was investigated using silicotungstic acid ca talyst absorbed on activated carbon.
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文摘:用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯。 |
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Abstract: System simulation technology as a synthetical technology composed of many disciplines has been developed and used in some fields in the past years.
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文摘:系统仿真作为一门多学科的综合技术,近几年得到较快的发展，已广泛地应用到许多领域。 |
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Abstract: TIPS image processing and analyzing system for infrared thermalimaging system developed was introduced.
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文摘:介绍研制的红外热象仪计算机图象处理与分析系统。 |
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Abstract: TIhrough grouting experiments in a single fissure and fracturenetworks, the basic law controlling the grouting seepage through rock mass is analyzed, and the factors which may affect the process are also discussed.
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文摘:通过单一裂隙岩体和裂隙网络岩体注浆渗流模拟实验，分析和总结了裂隙岩体注浆渗流中的一般规律，并讨论了影响注浆渗流工程的各种因素. |
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Abstract: Taken as materials,ammonium paramolybdate,molybdenum tri-oxide,molyb denum dioxide and molybdenum powder of different layers in thickness are reduced at different temperatures,and by analyzing the grain size,oxygen content and mo rphology of the
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文摘:以仲钼酸铵、三氧化钼、二氧化钼和钼粉为原料，采用不同的温度和不同的料层厚度进行了还原试验，分析了所得钼粉的粒度、氧含量和形貌，剖析了同舟内不同层次钼粉的粒度和氧含量的变化规律。 |
