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Abstract: The effect of correction of self-consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the Green's function method in the tight-binding approximation, taking only the nearest neighbor matrix
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文摘:在紧束缚近似下，只计及最近邻的矩阵元，采用格林函数计算了自洽势修正对简立方纳米晶体颗粒的电子结构的影响，发现电子能谱发生了移动，化学势不等于格点原子能级，各格点的电子密度也发生了变化，其中以表面格点的电子密度变化最大。 |
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Abstract: The effect of different carburizing programs on the microstructure and thick of carburized layer of screw bevel gears has been studied, meanwhile the fatigue life of these gears has also tested.
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文摘:本文研究了不同渗碳淬火工艺对螺伞齿轮组织及渗层深度等影响，并对螺伞齿轮进行了台架疲劳测试。 |
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Abstract: The effect of straw and plastic film dual mulch in dry-cultivation of rice planting was studied.
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文摘:我国覆膜稻栽培研究始于1996年，但迄今都为地膜单元覆盖。 |
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Abstract: The effect of the humid and hot environment on the quality life time of electronic product is discussed with emphases on the hot topic about humid heat test———the failure mechanism of ion migration and the test method.
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摘要：阐述了湿热环境对电子产品质量寿命的影响，并重点介绍了目前湿热试验的热门话题：离子迁移失效的机理和试验方法。 |
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Abstract: The effect of the new kind of concentrated compound fertilizer contained with herbicide on weed control and wheat growth in the wheat field was studied in the basin culture and the plot trials.
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文摘:通过盆钵栽培和田间小区试验，研究新型高效复配小麦专用除草药肥对麦田杂草防效和小麦生长发育的影响。 |
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Abstract: The effect of the pressure-reducing platform position on the stability of the retaining wall is discussed according to Coulomb's earth pressure theory.Pressure-reducing platform's reasonable position for the retaining wall's stability is (0.2～0.
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文摘:根据库仑土压力理论，讨论了挡土墙减压平台高度改变时对墙体稳定性的影响.对挡土墙的稳定性来说，减压平台位置可在(0.2～0.4)H处. |
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Abstract: The effects of adding purifying agent during the process of water purification were studied.The best opportunity for applying purification agent to water during purification process was obtained.
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文摘:对水质净化过程中投加净化剂的效果进行了研究，得出了在冬春低温低浊季节，水力循环澄清池-快滤池净化过程投加净化剂脱混的最佳选择。 |
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Abstract: The effects of disseminations of earthquake prepare dness and disaster mitigation,and emergency dissemination measures are studied and compared；counter measures of emergency disseminations of earthquake preparedness and disaster mitigation are p
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文摘:通过对江苏及其邻区10多年来发生的典型地震事件及地震谣传的社会反应和各地应急宣传方案的对比，研究防震减灾宣传的效果及应急宣传措施，提出防震减灾应急宣传的对策。 |
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Abstract: The effects of terbium ion on the conformation of calmodulin and on the interaction between calmodulin and melittin have been studied by the endogenous fluorescent spectrometry of calmodulin and melittin,and the sensitized fluorescent spectromet
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文摘:分别用钙调蛋白和蜂毒素的内源荧光光谱以及铽离子的敏化荧光光谱考察了铽离子对钙调蛋白构象变化以及对钙调蛋白与蜂毒素相互作用的影响.结果表明，铽离子首先结合在钙调蛋白的第Ⅰ和第Ⅱ位点，铽离子不影响钙调蛋白与蜂毒素的相互作用，蜂毒素与钙调蛋白作用后不影响铽离子在钙调蛋白上的键合顺序.傅里叶变换红外光谱结果表明三价的镧离子与钙调蛋白作用使钙调蛋白的α螺旋结构增加，β折叠结构减少，与钙离子对它的二级结构影响相类似.稀土离子在钙调蛋白-蜂毒素复合体系中主要与钙调蛋白作用. |
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Abstract: The effects of under-film drip irrigation operation parameters, such as discharge rate, water application per irrigation, on soil salt movement and distribution are investigated with a lab experiment.
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文摘:针对新疆盐碱地的改良特征，通过室内膜下滴灌土壤盐分运移试验，初步研究了土壤脱盐过程，滴头流量、灌水量等对脱盐过程的影响。 |
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Abstract: The efficacy of 1368 Streptomyces isolates for controlling cucumber seedling blight diseases caused by Phytophthora melons Kalsura were screened and evaluated in greenhouse.
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文摘:应用防治黄瓜苗期疫病生物测定法对分离获得的1368个放线菌菌株进行初步筛选。 |
