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Abstract: Stripper header invented by AFRC UK, mounted on grain combine harvester showed its two deficiencies in China: Leaving the stripped straw stan ding without windrowing and relatively high free grain loss especially working a t lower ground speed.
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文摘:英国发明的悬挂在联收机上的摘脱台在中国使用中有两个缺点：摘脱后的基秆未能切割搂集成条铺和落粒损失，尤其在低速时较大。 |
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Abstract: Structural system reliability is dealt with by Monte Carlo integration using systematic descriptive sampling is applied instead of the random sampling in the Monte Carlo procedure.
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文摘:在用蒙特卡罗法计算结构系统可靠性时，运用了系统描述性抽样法。 |
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Abstract: Studies on the new chinese key protected wild plant in Hubei,there are 56 species(11 cultivated species),including 12 species of first class(4cultivated species and 44 species of secend class(7 cultivated species).
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文摘:对湖北省分布的国家新颁布的重点保护野生植物进行了研究，据统计湖北省国家重点保护野生植物共有57种，其中一级13种，二级44种；其中包括栽培11种，一级4种，二级7种。 |
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Abstract: Studies that examine spatial characteristics of urban unemployment are often based on some simplistic measures of employment accessibility.
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摘要：城市失业空间特征的研究通常以测度就业可达性为基础，但现行的测度方法则往往过于简单化。 |
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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。 |
