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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The resulting two-barrier energy landscape accounts for the dependence of the unfolding kinetics on the pulling rate.
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Our results suggest that in pulling experiments on RNA molecule containing tertiary structures, the details of the single kinetic barriers can only be obtained using a low pulling rate value, or in the high force regime.
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Impurity microsegregation due to periodic changes in the temperature and pulling rate of crystal grown by the Stepanov method
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A mathematical model is proposed to describe the behavior of a doping impurity concentration in a crystal grown by the Stepanov method from a melt and subjected to periodic changes in its pulling rate and temperature of the thermal node.
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Disturbances of this solution caused by periodic changes in the thickness of an incoming flow or a pulling rate are investigated.
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The reduction of the sugar crystallization speed is specifically expressed in the decrease of crystal growth speed in the a and b axes.
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| | It describes how to prepare bulk single crystals of Gax In1-xAs by the liquid encapsulation technique, and their electrical properties. The ternary alloys were prepared by direct synthesis technique with pulling rate of about 3 mm/hr. Composition of Gax In1-x As is 0.92≤x<1 , and its longitudinal distribution is relatively uniform. The segregation coefficient of Ga in In1-x Gax As is larger than one, and increases with decreasing Ga content in alloy melt. At room-temperature net donor concentration and mobi... | | 本文叙述利用液封法研制Ga_xIn_(1-x)As单晶的工艺和这种单晶的电学特性.三元合金料用直接合成法制备.拉晶速度为每小时3毫米左右.研制的三元单晶的组分为0.92≤x<1.组分沿单晶的长度方向分布比较均匀.Ga在Ga_xIn_(1-x)As单晶中的分凝系数大于1,并随合金熔体中Ga组元含量降低而增加.室温下Ga_xIn_(1-x)As单晶的载流子浓度和电子迁移率分别为n(?)10~(15)cm~(-3)和μ=4~6×10~3cm~2/V·s.最后讨论了合金散射和晶格失配对晶体性质的影响. | | 文摘来源 | | As a new type of alloys used at high temperatures, Ni-Al-Mo dire-ctionally solidified eutectic alloys are of great interest for their excellent strength and structural stability. The present paper presents the results of investigation on the characteristic microstructures, phase volume fractions, phase compositions and distribution and size of the aMo fibres of the alloy. The effect of withdrawal rate on microstructures and tensile strength ef the alloy were investigated. The influences of the 1100℃ isother... | | 作为高温使用的新型合金,Ni-A1-Mo定向凝固共晶合金以其优异的强度和组织稳定性而引起人们的极大兴趣。本文作者叙述了合金的显微组织、相体积百分数、相组成和aMo纤维相的尺寸和分布,研究了拉晶速度对合金的显微组织和拉伸强度的影响,研究了在1100℃经100h等温处理对合金显微组织和持久性能的影响。 | | 文摘来源 | | The influence of Crystal Growth speed in a HgCdTe-Bridgman system on the temperature field distribution is studied with numerical method. 'The results of calculation show that the large growth rate of the crystal may results in the sliding down of the solid-liquid interface, and exalerbate the conlave phenomenon as a result, it is difficult to obtain an uniform Crystal in its radial direcfion. | | 用数值计算方法研究了在Bridgman系统中生长HgCdTe晶体时拉晶速度对热场分布的影响。计算结果表明,大的拉晶速度会造成固液界面向下位移,并使之凹陷现象加剧,不利于获得径向均匀性好的单晶材料。 | | 文摘来源 | |   | | << 更多相关文摘 |
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