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一效应
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  an effect
     In this paper such an effect is illustrated by a new exact solution of the Navier-Stokes equation, which is derived herein by a scheme of reducing it to a two-point boundary value problem for DDEs.
     本文提出一种化为常微分方程两点边值问题的方案,得到Navier-Stokes方程的一个新的精确解,可以说明这一效应.
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     E 2 at low dosage increases the discharge rate of SFO neuron, an effect which may be related to the activation of NMDA receptors, whereas E 2 at high dosage decreases the discharge rate, an effect which may be attributed to the activation of NOS with resultant production of NO. [WT5HZ]
     小剂量E2 使SFO神经元放电增加 ,这一效应可能与谷氨酸受体激活有关 ; 而大剂量E2 则导致神经元放电减少 ,此效应可归因于NOS激活而引发NO生成。
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     and (3) genistein decreased the PP of mesenteric vascular bed in a dose-dependent manner, an effect which was partially inhibited by sodium orthovanadate, but unaffected by L-NAME.
     ( 3 )肠系膜血管灌流环路中注射GST可剂量依赖性地降低其灌流压 ,这一效应可被正钒酸钠部分抑制 ,而L NAME对此无影响。
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  “一效应”译为未确定词的双语例句
     Data showed that10 ̄(9) mol/L of PAF led GMC to produce O and H-2O-2(1.14 ± 0.41 nmol/10 ̄5 GMC,0.97 ± 0.16 nmol/10 ̄5 GMC). This response was dose-dependence.
     结果表明10 ̄(-9)M/L的PAF已能诱导GMC产生O和H2O2(1.14±0.42nmol/10 ̄5GMC、0.97±0.16nmol/10-5GMC),这一效应呈剂量依赖性;
短句来源
     Aβ25-35 treatment increased tau phosphorylation and AT8 positive cells were 41.84%.
     Aβ25-35可增加tau蛋白磷酸化,AT8阳性细胞占41.84%,而IGF-1则可抑制这一效应
短句来源
     (2)The gastrointestinal propulsive motility in-ceased markedly(P<0.001)after injection of a larger dose of G_5(20μg/100g)intothe muscle. These effects were completely blocked by subcutaneous injection ofatropine(0.2 mg/100g) (P<0.001).
     (2)肌注较大剂量G_5(20μg/100g)可显著增强胃肠推进运动(P<0.001),这一效应亦可为皮下注射阿托品(0.2mg/kg)所完全阻断(P<0.001)。
短句来源
     The results indicated that microinjection of GABA into OFC could significantly shorten rats' swimming immobility time (n=8, P<0.05), which could be blocked by BM (n=6, P<0.05).
     结果表明:在OFC微量注射GABA能显著缩短大鼠游泳的不动时间(n=8,P<0.05),且这一效应能被BM阻断(n=6,P<0.05).
短句来源
     However, this effect was reversed at 3 and 10 μg·kg -1 ·min -1 for the excessive hypotension.
     但这一效应在 3,10μg·kg- 1 · min- 1 时 ,由于血压过低而逆转 .
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  相似匹配句对
     L~(-1).
     Ll。
短句来源
     L-1 h for buccal tablet and syrup respectively .
     L’.
短句来源
     Explanation to the Directing Effect of Chloromethyl
     氯甲基定位效应的解析
短句来源
     A Possible Relativistic Effect
     种可能的相对论效应
短句来源
     Gravitational Lens Effect
     引力透镜效应
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  an effect
An effect iteration algorithm for numerical solution of discrete hamilton-jacobi-bellman equations
      
This paper reports a one-pot synthesis of aromatic polyester hyperbranched epoxy resin HTDE-2, an effect of HTDE-2 content on the mechanical and thermal performance of the bisphenol-A (E51)/HTDE-2 hybrid resin in detail.
      
The mantle flow has an effect on controlling the movement of plates and the distributions of ocean ridges, subduction zones and collision zones.
      
Many stochastic parameters have an effect on the reliability of a steam turbine blade during practical operation.
      
The effect of the parameters of polymorphism was ambiguous: a factor having a significant effect on a certain character in one sample might have no such effect (or produce an effect on a different character) in another sample.
      
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In the strong electromagnetic field of a laser beam, the third-order process of radiation with two photons absorbed and a third one emitted during a transition between energy levels of a material system may become abservable. This process has analogy with the ordinary Raman effect, in which only two photons are involved. In this paper a theoretical analysis has been given with the conclusion reached, that with a beam intensity of 0.1 MW/cm2 the vibrational Raman spectrum of molecules or crystals may be obtained...

In the strong electromagnetic field of a laser beam, the third-order process of radiation with two photons absorbed and a third one emitted during a transition between energy levels of a material system may become abservable. This process has analogy with the ordinary Raman effect, in which only two photons are involved. In this paper a theoretical analysis has been given with the conclusion reached, that with a beam intensity of 0.1 MW/cm2 the vibrational Raman spectrum of molecules or crystals may be obtained by the three-photon process. It is shown that this effect actually offers a new spectroscopical method. Its importance lies in the difference of the selection rule of this effect and those of the infra-red absorption and the ordinary Raman effect. It is also pointed out that the stimulated radiation of a three-photon Raman effect may be realized when pumped with a powerful laser beam.

在laser光束的高强度电磁辐射场内,可以观察到物质从光束吸收二个光子,同时放出一个光子,并产生能级跃迁的效应,这是一个与通常的Raman散射相类比的高阶辐射过程。本文中提出了理论分析并得出这样的结论:使用能量流密度为0.1MW/cm~2的laser光束即可方便地通过这一效应来观测分子或晶体的振动谱。由于其选择定则有异于红外吸收和通常的Raman效应的选择定则,因而提供了一个新的光谱学实验方法,同时还指出了实现三光子Raman效应激射现象的可能性。

Several film-resistor materials and the general requirements for the surface of the substrate are described. The insulation resistance of the substrates at high temperature were measured. The effects of various subsrates upon the load lives of the three kinds of film resistors were investigated. It has been pointed out from the tests of the metal film resistor that the initial changes of the resistance were semi-permanent on D.C. load and the electrochemical corrosion of the films was gradual and relatively...

Several film-resistor materials and the general requirements for the surface of the substrate are described. The insulation resistance of the substrates at high temperature were measured. The effects of various subsrates upon the load lives of the three kinds of film resistors were investigated. It has been pointed out from the tests of the metal film resistor that the initial changes of the resistance were semi-permanent on D.C. load and the electrochemical corrosion of the films was gradual and relatively long. This effect had much to do with the test conditions and could be slowed down by derating. The different contents of Na+ and k+ in the substrate showed quite different effect.This paper presents some possible methods for improving the D. C. aging performance of film resistors. By comparing the load lives of the newer and older substrates it is considered to be very effective to add alkali-earth metal oxides as the flux for the ceramic substrate.

本文叙述了几种薄膜电阻器的材料和对瓷体表面的一般要求。测试了基体的高温绝缘电阻特性;研究了不同基体对三种薄膜电阻器负荷寿命的影响。金属膜电阻器的试验指出:直流负荷时,开始阻值变化呈半永久性,薄膜的电化学腐蚀破坏是逐渐的、比较长期的。这一过程与试验条件有关:当降低比负荷功率时可以减缓这一效应;基体中鉀、钠含量不同,这一效应有显著差别。 文中指出了改善薄膜电阻器直流老化性能的一些可能措施。根据新、老瓷体电阻器的负荷寿命对比的结果,作者认为有效的措施是:采用以碱士金属氧化物为助熔剂的陶瓷基体。

Detailed calculations and measurements on u.h.f. characteristics of amplifying tubes show that the effective input capacitance of a tube increases with the operating frequency when it is approaching the natural resonant frequency of the input circuit of the tube. Due to this effect, the actual cut-off frequency of a wide-band distributed amplifier becomes lower than that originally designed. This effect becomes more serious as the bandwidth of the amplifier increases. In this paper, a new kind of distributed...

Detailed calculations and measurements on u.h.f. characteristics of amplifying tubes show that the effective input capacitance of a tube increases with the operating frequency when it is approaching the natural resonant frequency of the input circuit of the tube. Due to this effect, the actual cut-off frequency of a wide-band distributed amplifier becomes lower than that originally designed. This effect becomes more serious as the bandwidth of the amplifier increases. In this paper, a new kind of distributed amplifier utilizing mm'-derived low-pass networks as grid and plate lines is described and its characteristics is analyzed. Since the mm' low pass networks can absorb more parasitic parameters of the tube, the actual and designed cut-off frequencies may agree with each other. Experimental models of amplifier stages with cut-off frequencies of 200 and 300 MHz have been built and results of measurements are given. By using this type of amplifier stage as the element of wide-band distributed amplifiers the design procedure may be considerably simplified.

对电子管超高频特性的详细计算和测量可证明,在工作频率较高而接近于输入电路的自然谐振频率时,管的有效输入电容随频率的增加而增加,这一效应使较宽通频带的分布放大器的实际截止频率低于原设计的截止频率,而且这一情况随设计频宽增加而愈益严重。本文提出一种新的利用mm′低通网络作为栅极和板极传输线的分布放大级。mm′网络可以较好地吸收电子管的杂散参数而使放大级实际的和设计的截止频率相符合。文中对这种放大级的特性进行了分析并给出截止频率为200和300MHz的分布放大级的实验结果。在制作较宽频带的分布放大器时应用mm′放大级可以简化设计手续。

 
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