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梯度效应
相关语句
  gradient effect
     Finite element analysis on temperature gradient effect of curve beam bridge
     曲线梁桥温度梯度效应的有限元分析
短句来源
     Linear Theory of Electrostatic Electron Cyclotron Resonance Maser with Space Charge Gradient Effect Being Taken into Consideration
     考虑空间电荷梯度效应的静电电子回旋谐振脉塞的线性理论
短句来源
     A Study on Gradient Effect of Species Diversity in Rare and Endangered Plant Tsuga longibracteata Community
     珍稀濒危植物长苞铁杉林物种多样性的梯度效应研究
短句来源
     A more complete fluid dynamtcal linear theory of the electrostatic electron cyclotron resonance maser(EECttM)is presented in this paper with space charge gradient effect (SCGE)being taken into consideration.
     本文给出了一个比较完整的关于静电电子回旋谐振脉塞的流体动力学线性理论,考虑了空间电荷梯度效应对静电电子回旋谐振脉塞不稳定性的影响. 研究发现,空间电荷梯度效应主要对谐振点Ω=0附近的脉塞不稳定性产生影响.
短句来源
     ANALYSIS OF SIZE EFFECT IN UNIAXIAL TENSION FOR LOW-CARBON STEEL SPECIMEN CONSIDERING STRAIN GRADIENT EFFECT
     考虑应变梯度效应的低碳钢试样单向拉伸尺寸效应理论研究
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  gradient effects
     DENSITY GRADIENT EFFECTS IN THE TOKAMAK EDGE TURBULENCE WITH TEMPERATURE GRADIENT DRIVING
     温度梯度驱动托卡马克边缘湍流中的密度梯度效应
短句来源
     DENSITY GRADIENT EFFECTS IN THE TOKAMAK EDGE TURBULENCE WITH TEMPERATURE GRADIENT DRIVING
     温度梯度驱动托卡马克边缘湍流中的密度梯度效应<英文>
短句来源
     Strain Gradient Effects on Adiabatic Shear Deformation Localization of Particle Reinforcing Metal Matrix Composites
     颗粒增强金属基复合材料绝热剪切变形局部化中应变梯度效应
短句来源
     Electric Field Gradient Effects in Piezoelectric Anti-plane Crack Problems
     压电反平面裂纹问题中的电场梯度效应
短句来源
     Electric Field Gradient Effects in Anti-plane Crack Problems of Piezoelectric Ceramics
     压电陶瓷反平面裂纹问题中的电场梯度效应
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  “梯度效应”译为未确定词的双语例句
     The effect of the strain gradient on the onset of adiabatic shear instability in gradient-dependent particle reinforced metal matrix composites is investigated by using of linear perturbation analysis in this paper.
     发展了用小扰动方法对应变梯度依赖复合材料绝热剪切变形局部化失稳进行分析的方法,并以碳化硅颗粒增强6061铝基复合材料为代表,对这类复合材料绝热剪切变形局部化中的应变梯度效应进行了分析。
短句来源
     Stability of the stellar structure with PPI reaction effected by gravitational force-temperature gradient
     PPI反应决定的恒星结构稳定性与引力─温度梯度效应
短句来源
     Then the effect of Stress Concentration and the Stress Gradient were introduced into the prediction of fatigue life through Correction Coefficient of Stress with the wider suitable life scope.
     通过应力修正系数对危险点最大应力进行修正,将应力集中和应力梯度效应引入到寿命的估算中,因而扩大了传统的应力寿命法可适用的寿命范围。
短句来源
     INFLUENCE OF INHOMOGENEOUS STRESS FIELD ON THE MEMBER FATIGUE STRENGTH——STRESS GRADLENTS EFFECT
     非均匀应力场对构件疲劳强度的影响——应力梯度效应
短句来源
     Study of the Mode Ⅲ Interfacial Crack-tip Considering the Strain Gadient Effect
     考虑应变梯度效应Ⅲ型界面裂纹尖端场的研究
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  gradient effect
Weak temperature gradient effect on the stability of the
      
In the operational equation for the determination of distribution volumes the gradient effect can be reduced to correction terms which are governed by the mean transit time of the tracer through the observed volume.
      
The polarization of Pc5 ULF waves around dawn: A possible ionospheric conductivity gradient effect
      
It is shown that the stress gradient effect is significant on both the fiber-bridging stress distribution and the value of the critical load of fiber failure.
      
The strain gradient effect becomes significant when the size of fracture process zone around a crack tip is comparable to the intrinsic material lengthl, typically of the order of microns.
      
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  gradient effects
The first of them is caused by gradient effects arising upon interaction of a biological system with spatially inhomogeneous radiation.
      
Finite gradient effects on the ordered domains and on the diffusion are discussed.
      
The width of the line is affected by the radial-gradient effects and it was corrected and then compared with other measurements and theoretical calculations.
      
') and relative loss factor (?'') give information on how the microwaves can penetrate into the wood object and of possible thermal gradient effects on the wood during modification.
      
Gradient effects in extravascular water determination using 15O-labelled water under steady state conditions: Theory and error s
      
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The principle of measuring the geometrical error of the guideway of a machine tool by laser beam with a single frequency and a Lateral Effect Photodiode on dual axis is described. The method and flowchart of data processing by Harris-800 computer are presented. Measurement on a boring transfer slide made by Ingersoll Company, U.S.A. gives satisfactory results, with a resolution up to 1 μm and an accuracy of ±2.5μm. The CPU time is as short as 5 seconds only.

本文阐述了用单频激光和双向梯度效应光电管测量机床导轨几何误差的原理;同时介绍了提高测量精度的方法,以及用Harris-800型计算机处理数据的原理和流程。对一台美国英格索(Ingersoll)公司镗削滑台测量的结果表明,测量装置和计算机程序是可靠的、精确的,其分辨率可达1微米,精确度为±2.5微米。数据处理的CPU时间仅为5秒。

Prior to this paper's work, it had been proved by many technique practices that Bao Tou Iron Ore's selective desliming process was an effective new method for recovering very finely ground iron minerals (mainly hematite). With magnetite of about 20% weight in the crude ore, water glass as the key regulating reagent, pulp pH>9.5 and more than 97% passing 400 mesh, a satisfactory separation between iron minerals (hematite and magnetite) and gangue was achieved solely by desliming. The commercial test was completed...

Prior to this paper's work, it had been proved by many technique practices that Bao Tou Iron Ore's selective desliming process was an effective new method for recovering very finely ground iron minerals (mainly hematite). With magnetite of about 20% weight in the crude ore, water glass as the key regulating reagent, pulp pH>9.5 and more than 97% passing 400 mesh, a satisfactory separation between iron minerals (hematite and magnetite) and gangue was achieved solely by desliming. The commercial test was completed in 1984, and a iron concentrate assayiug 61.87%Fe was yielded with recovery of 83.65% from the crude ore containing 32.03% Fe.This paper, through further experiments and theoretical analyses, presents a explanation for the mechanism of Bao Tou Iron Ore's selective desliming process. That is: magnetite has some terrestrial magnetism, a magnetite particle forms a magnetic field in the out space around itself and shows high gradient effect when their particle size are reduced to minus 10 microns. High gradient effect makes it easy for the magnetite particles to act as a kind of magnetic medium to aggregate hematite in the same pulp. In principle, this aggregation process is something like that fine hematite particles in high gradient magnetic separators can be attracted to the "steel wool" with ease. Adding water glass and adjusting pH>9.5 is for the purpose of dispersing gangue particles.The magnetic aggregation mechanism, with high gradient effect as its core content, coincides with both the practices of Bao Tou Iron Ore's selective desliming process and the experiment results obtained in this paper, and is confirmed by some specially designed experiment.

包头铁矿的选矿试验证明:利用细粒磁铁矿选择性团聚赤铁矿和借助水玻璃分散硅酸盐类脉石矿物,矿浆经多次脱泥即可获得满意的选铁指标。本文从微观角度分析了单个磁铁矿颗粒的磁场分布规律,指出当磁铁矿颗粒小于10微米时,其磁场梯度有显著提高,产生类似高梯度磁选机中“钢毛”介质所具有的“高梯度效应”,磁铁矿在自身团聚的过程中团聚了周围负电性低的赤铁矿;赤铁矿具有反铁磁结构,是其被微细粒磁铁矿团聚的内因。可以认为:包头铁矿选择性脱泥工艺的实质,是一种利用微细粒磁铁矿对赤铁矿产生磁力团聚的选择性脱泥过程。扫描电镜的图象分析进一步证实了上述论点。

Sperm acrosin proteolytic activity(APA)is one kind of enzyme for sperm move-ment in the female reproductive tract and penetration through the zona pellucida.The measurement of sperm APA is very important for testing the insemination abi-lity of sperm and investigating the effect and mechanism of inhibitors of acrosinenzyme.It is also useful for selecting and screening of new contraceptives.A modi-fide gelatin substrate slide test for measuring human sperm APA is reported.A halocould be seen on the gelatin with...

Sperm acrosin proteolytic activity(APA)is one kind of enzyme for sperm move-ment in the female reproductive tract and penetration through the zona pellucida.The measurement of sperm APA is very important for testing the insemination abi-lity of sperm and investigating the effect and mechanism of inhibitors of acrosinenzyme.It is also useful for selecting and screening of new contraceptives.A modi-fide gelatin substrate slide test for measuring human sperm APA is reported.A halocould be seen on the gelatin with the dissolution of the sperm acrosin.The meanhalo diameter(MHD)was used as an index for the measurement of APA.We foundthe MHD of normal sperm APA was 29.96 μm,This proved that in the method thehalo diameter of APA could significantly be shown,hence it was an easy processand was very useful for clinical tests.This method was also used to test the effectof acrosin inhibitor,TLCK.

精子顶体蛋白酶是精子在女性生殖道内运行及穿透卵透明带与卵子结合而完成受精的特异性主酶之一。检测精子顶体蛋白酶活性(APA)对正确评价精子的受精能力及探讨顶体酶抑制剂的机理,筛选及开发新型避孕药都有明确的意义。本文介绍经本实验室改良的明胶底物玻片法检测人精子顶体蛋白酶活性,以精子顶体溶解明胶基质所显示的平均光轮直径(MHD)作为 APA 的指标,测得正常功能精子 APA 的 MHD 为29.96μm。证实该法能最大限度地显示 APA的光轮直径,操作简便、实用,可有效地用于临检。同时以该法测到顶体酶抑制剂 TLCK 的浓度梯度效应,验证了该法的可靠性。

 
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