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shielded
相关语句
  保护
     Partial Improvement of Welding Gun for Co_2 CPZX—350 500 Gas Shielded Welder
     对CPZX—350 500型CO_2气体保护焊机焊枪的部分改进
短句来源
     Study on Activation CO_2 Gas Shielded Welding
     活化CO_2气体保护焊的研究
短句来源
     Spatter control of CO_2 gas shielded welding
     CO_2气体保护焊飞溅控制的研究
短句来源
     CO_2 Gas Shielded Arc Spot Welding
     CO_2气体保护电弧点焊
短句来源
     Discussion on Application of Technology of CO_2 Gas Shielded Arc Welding
     浅谈CO_2气体保护焊焊接工艺的应用
短句来源
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  屏蔽
     ANALYSIS SIMULATED RESULTS SHIELDED T(d, n) ̄4He SOURCE WITH IRON
     铁屏蔽T(d,n)~4He源的模拟结果分析
短句来源
     FDTD-MTL method for EMP response of shielded MTL
     屏蔽多导体强电磁脉冲响应的FDTD-MTL混合计算方法研究
短句来源
     EMP coupling to multiconductor shielded cables
     多导体屏蔽电缆EMP耦合效应研究
短句来源
     The local abdomenal exposure group and the abdomen shielded group were 131.8%,123.1% and 111.6% of normal value respectively.
     15GyX线全身一次照射组、照射腹部组和屏蔽腹部组照射后第3天小肠组织胺含量分别为正常值的131.8%、123.1%和111.6%.
短句来源
     IEC 62153-4-3:2002 electro magnetic compatibility (EMC)—surface transfer impedance—triaxial method and EN 50289-1-6 A:2002 transfer impedance—triaxial method are both suitable to the surface transfer impedance measurement of a coaxial cable or a shielded symmetrical cable.
     IEC62153432002电磁兼容(EMC)——表面转移阻抗(三同轴测量方法)及EN5028916A2002转移阻抗(三同轴测量方法)可同时适用于同轴电缆和类同轴屏蔽对称电缆的表面转移阻抗的测量。
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  屏蔽线
     The signal transporting circuit shielded is widely applid in computer network system and cable TV system. It can not only precent to be interfered,but also precent radiation out to cause interference.
     屏蔽线信号传输线路被广泛应用在计算机网络系统和有线电视系统中,它既可以防止被干扰,也可以防止对外辐射造成干扰。
短句来源
     Basing on the coupling theory, coupling voltage over the interconnected line between vehicles was calculated due to the electric field produce by the antenna on five vehicles together The effect of the electric field on parallel lines and twistedpair and shielded twisted pair was discussed respectively and a comparison was made among them
     根据场到线的耦合原理 ,计算五辆车上天线共同发射时产生的电场耦合到车际间互连电缆上的电压 ,分别讨论了电场对平行双线、双绞线和屏蔽线的影响 ,并对其进行了分析比较。
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  “shielded”译为未确定词的双语例句
     Introduetion of E6/1A、E6/1B Gas shielded Welding Wire Feeder
     E6/1A、E6/1B型气保焊送丝机构设计、生产定型通过技术鉴定
短句来源
     The butt welding of the head shall use gas shielded welding with H08CrMnSiMoA 1.2mm wire,80% Ar + 20% CO_2 mixed gas.
     封头对接采用气保焊,选用H08CrMnS iMoA 1.2 mm焊丝,80%Ar+20%CO2混合气体。
短句来源
     Study on Shielded Metal Arc Welding Technology of 20/0Cr18Ni9 Clad Pipe
     20/0Cr18Ni9复合管手工电弧焊工艺研究
短句来源
     Producing Steel Wire for CO_2 Shielded Arc Welding with AWSER?70S-6 Steel
     用AWSER70S-6钢生产CO_2气保焊丝
短句来源
     Study on Pulsed Inert-Gas Shielded Tungsten Arc Welding of SiC_P/Al Composites
     SiC_P/Al复合材料脉冲氩弧焊接研究
短句来源
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  shielded
Flows through Porous Media Containing a Shielded Spherical Inclusion
      
The type of singular points of the potentials (sources, sinks, etc.) and the boundary conditions assigned in media without an inclusion are conserved for media containing a shielded inclusion.
      
As an example, translational flow past a spherical shielded polluted zone is studied.
      
For the quartz-shielded polyimide films, the surface energy and the work of adhesion remained practically the same as for the unexposed films.
      
The key units of the setup are a shielded 600-kV Marx generator with a high-precision switching and a low-impedance high-voltage pulse former with a single or double coaxial line.
      
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The paraxial-ray equation for describing the electron trajectories in a periodic magnetic field has been solved by a perturbation method. Space charge effect is included. The cathode may bs partially shielded. By this method, it is possible to obtain higher order approximate periodic solutions as well as the optimum focusing conditions. For strong scalloping, these higher order periodic solutions are needed.

在余弦式及非余弦式周期磁场下描写电子轨迹的傍轴方程曾用微扰法求解,得到了一些最佳聚焦条件。在推导中考虑了空间电荷效应及阴极被部分屏蔽的情况,当电子束在周期场中波动比较大时这些结果也能应用。 另外用变振幅的方法研究了电子束在周期磁场内的稳定性问题,得到了一些包含有空间电荷密度及阴极屏蔽程度在内的稳定性条件。并绘出图线表示禁区位置因各种不同空间电荷密度及阴极屏蔽程度而改变的情况,知道虽然在用全屏蔽的电子枪情况下,正如过去一些著者所指出的,禁区位置不因空间电荷密度的大小而改变,但在阴极被部分屏蔽的情况下,空间电荷密度对禁区位置有显著的影响。

The problem of focusing high current electron beam in a multi-electrode electron gun with magnetic field has been analysed theoretically. The cathode of the gun may be partially shielded magnetically. The paraxial-ray equation for describing the electron trajectory in the accelerating region is solved in closed form. The space charge effect has been included.

本文对于在有磁场下多阳极电子鎗的电子注聚焦问题进行了理论分析。阴极处磁场可以具有任意屏蔽程度,得到了在加速场内描写电子轨迹的傍轴方程的解析解。在理论分析中,考虑了包括空间电荷效应的情况。

Fertili2ed eggs of White Leghorn were used throught the study.The 40-hour chick embryo and the whole yolk were shielded with a lead screen of about 13.2 cm2 in area and 0.9 cm in thickness.The portion of egg white was X-irradiated with a dose of 20250r.Death of the embryos occured on the 4th or 5th day of incubation.In comparison with the non-irradiated control,the hatching rate of the irradiated eggs decreased to 18%,while that of the control was found to be 80% of the fertilized eggs incubated.It was...

Fertili2ed eggs of White Leghorn were used throught the study.The 40-hour chick embryo and the whole yolk were shielded with a lead screen of about 13.2 cm2 in area and 0.9 cm in thickness.The portion of egg white was X-irradiated with a dose of 20250r.Death of the embryos occured on the 4th or 5th day of incubation.In comparison with the non-irradiated control,the hatching rate of the irradiated eggs decreased to 18%,while that of the control was found to be 80% of the fertilized eggs incubated.It was found that,the average hatching rate of the eggs irradiated before incubation (39±13%) was lower than those of the control (61±5%),but higher than those irradiated after incubation (11±5%).In examining the blood cells of the chick embryo irradiated after incubation,we found more abnormalities of cells,such as increase of the number of nucleus from 2 to 4,karyorrhexis,vacuolization in the cytoplasm etc.The X-irradiation of egg white led to a considerable retardation in the somites formation.The greatest retardation occured in the embryos with the egg white irradiated before incubation,of which the somites appeared about 10 hours later than in the control.The retardation of the somites formation and the puny size of the whole embryo were accompanied with the inhibition of S35-methionine incorporation.This implies that the anabolic metabolism is retarded by irradiation.In order to verify whether the irradiated egg white plays an important role in the distant effects of ionizing radiations on chick embryos,the following experiment was performed.Exchange of egg white between the X-irradiated eggs and the unirradiated eggs was made immediately after irradiation.In the control,the unirradiated egg whites were exchanged each other.In the first 3-5 days of incubation,the survival percentages of both the embryos with exchanged unirradiated and irradiated egg white declined side by side.On the 10th day of incubation,those with irradiated egg white all died,while those with exchanged unirradiated egg white kept pace with the control,i.e.,both had the same percentage of survival and both died completely after 16-17 days of incubation.The results described above show that X-irradiated egg white is the chief damaging factor of the distant effects of X-rays on the chick embryos.

孵化40小时鸡胚以铅块遮盖,蛋清接受20250仑X线照射,能够对鸡胚发育产生有害的距离效应,孵化期间胚胎大量死亡,孵化率下降至20%左右,若在孵化前照射蛋清,孵化后对鸡胚亦产生致命性影响,当然,损伤的程度较之孵化后照射略轻,蛋清受照射的早期胚胎的卵黄囊血管区发育不良,血管细弱,血液颜色暗淡,死亡个体多伴有血管破裂、出血和溶血,胚胎出现迟育现象,表现为体形弱小,体节分化受到抑制,并伴随以S~(35)-蛋氨酸掺入为指标的胚胎代谢强度的下降,这些现象,与射线直接照射鸡胚的损伤效应有 许多基本相同之处,交换蛋清的实验证明,X线对鸡胚发育的距离效应,主要是通过受照射蛋清系统这一中间环节而实现的。

 
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