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zero grade
相关语句
  零级
     Discusses the characteristic and physical significance of zero grade carbide and the effects of it on the mechanical and operation properties of the mechanical components, analyses the advantages of it, summarizes technical ways to acquire it.
     讨论了零级碳化物的特征及物理意义及其对机械零件机械性能及使用性能的影响 ,从理论上解释了零级碳化物对上述各种性能影响的机理 ,分析了零级碳化物的优越性及其在工业生产中的具体应用的可行性 ,用实际生产结果总结了获得零级碳化物的热处理工艺方法。
短句来源
     We have also found that nitrification is zero grade, the rate of nitrification is 6.73mg/L ·d.
     试验对硝化反应动力学也作了初步研究,试验结果证明硝化反应遵循零级反应,其硝化速率v=v_(max)=6.73mg/L·h。
短句来源
     Research on zero grade carbide
     零级碳化物研究
短句来源
     the zero grade product rate is 81. 36% and the first grade product rate 18. 64%. After being rinsed by lime water, the fluorine content in the roasted fume can reach the discharge requiement.
     碳酸锂的零级品率为81.36%,一级品率为18.64%.焙烧烟尘含氟经石灰水淋洗处理后可以达到排放要求.
短句来源
     Two improved schemes, redistribution of the outputs and adding a Dammann grating to release the burden of the element, are brought forward to overcome the zero grade spectrum.
     针对器件使用中出现的零级谱问题,提出了重新分布输出面滤波图象和增加Dammann光栅减轻器件负担两种改进方案。
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  “zero grade”译为未确定词的双语例句
     During 1-8 hours,the dissolution follows the zero grade manner,T_(0.5) and Td are 1. 3h and 3. 2h, respectively,and the average dissolution rate is 72. 35mg/h.
     T_(0.5)为1.3h,T_d为3.2h,1—8h的平均释药速率72.35mg/h。
短句来源
     Result:There is significant difference between the CHD probability of eyeground arteriosclerosis of zero grade and that of other grades(P<0.05).
     结果 ,眼底动脉硬化 0级和其他级的冠心病概率有显著差异 (P <0 0 5 )。
短句来源
     Through-Feed Centerless Superfinishing for Zero Grade Straight Cylinders
     零级直圆柱体贯穿式无心超精研
短句来源
     By checking the distance between two zero grade interferential fringe, the position of polarization coupling along the detected PM fiber could be computing.
     通过检测两个白光干涉主极大值间的距离,就可以确定偏振耦合点在整个保偏光纤上分布的具体位置。
短句来源
     With the combination of Hankel Transform-the integral teansform of Bessel zero grade multiplier and the boundary conditions in the actual cases,the kinematic equation of the swivel was deduced and given in the formwh which can be directly used by technicians.
     本文用Hankel变换即以零阶Bessel函数为核心的积分变换,结合实际问题的边界条件导出旋转链条的运动方程,并以可直接为工程技术人员所采用的形式给出。
短句来源
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  相似匹配句对
     grade.
     级;
短句来源
     Research on zero grade carbide
     零级碳化物研究
短句来源
     choosing grade,regulating zero and reading;
     选挡调零与读数问题;
短句来源
     gradeⅣ;
     Ⅳ级:广泛性脾或血管撕裂。
短句来源
     On Zero of fP~n[f]
     关于fP~n[f]的零点
短句来源
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  zero grade
Current severity (intensity) grading in headache is based upon a 4-grade category scale that includes the zero grade.
      
Since its zero grade part ??H0 is the C*-inductive limit of B(H?r), we look for some family of representations on an inductive limit of H?r as r→∞.
      
The gases were separated on a 2.15 m column of 13X molecular sieve, using zero-grade N2 as the carrier.
      
The F will count as zero grade points for calculation of the Grade Point Average.
      
This should be zero grade Nitrogen and is used for analyser calibration.
      
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The SOUTH-WEST VORTEX is a nieso-scale disturbance in the lower troposphere, p coordinate basic equations under zero-grade approximation condition are used and two level models are designed in the boundary layer in this paper. After simpling the equations, when Z is not greater than certain value the double characteristics of the friction effect have been found. On one hand , it makes the disturbance, On another hand, it makes the disturbance increase. Furthermore, the former is stronger than the...

The SOUTH-WEST VORTEX is a nieso-scale disturbance in the lower troposphere, p coordinate basic equations under zero-grade approximation condition are used and two level models are designed in the boundary layer in this paper. After simpling the equations, when Z is not greater than certain value the double characteristics of the friction effect have been found. On one hand , it makes the disturbance, On another hand, it makes the disturbance increase. Furthermore, the former is stronger than the latter. Finally, the friction effect makes the disturbance disappear, and the frequency increases with the Z decreasing. When Z is greater than certain value the friction effect is so little that it can be neglected. Though we have two frequencies, they tend to be constant .while Z increasing.

西南低涡是对流层下层的中尺度扰动。本文在零级近似条件下,采用p坐标系的基本方程组,在边界层内设计两层模式。通过一定的简化方程组后,得到:当Z≤1/2[kL~2/(μ~2Knu~*)] 时,摩擦效应具有二重性,一方面使扰动减弱;另一方面使扰动增强,而前者的影响略大于后者,最终使扰动消失。频率随高度Z的降低而增加。当Z>1/2[kL~2/(μ~2Knμ~*)]时,摩擦作用甚微,几乎可以忽略不计。频率虽然有两个值,但随高度Z的增加,他们趋于一个常值。

The graded division rings and a graded version of the Jacobsen density theorem are studied.As a corollary,it is shown that a right gr-Artinian ring with zero graded Jaeobson radical,is loft gr-Artinian.

讨论了分次除环和分次 Jacobson 稠密性定理,证明了分次 Jacobson 根为零的右分次阿丁环也是左分次阿丁环.

This paper describes a new method for aligning a positive-branch co -focal unstable resonator without any precise alignment instrument. It also eliminates a small hole in centre of the concave mirror. By utlizing the reflectivity of the backside of the outcoupling mirror and a converging beam with definite focal length and aperture, we can successfully align an unstable resonator. Meanwhile, a bright coaxis reference beam is provided which can be used to adjust outside optical elements. The alignment accuracy...

This paper describes a new method for aligning a positive-branch co -focal unstable resonator without any precise alignment instrument. It also eliminates a small hole in centre of the concave mirror. By utlizing the reflectivity of the backside of the outcoupling mirror and a converging beam with definite focal length and aperture, we can successfully align an unstable resonator. Meanwhile, a bright coaxis reference beam is provided which can be used to adjust outside optical elements. The alignment accuracy is estimated to be about 10μrad. Furthermore, the experiment demonstrated that the zero-grade reflected beam can be filtered successfully when the method presented in this paper was used. Therefore, He -Ne reference beam can show the sitiuation of the alignment and parameter variation of the resonator more clearly. After a concave mirror with a small hole is replaced by a concave mirror with no small hole on it, the output performance of a DF laser is improved.

介绍一种正支共焦非稳腔的新准直法。用耦合输出镜背面和具有一定焦距、口径的会聚光束,顺利完成了谐振腔准直,准直精度约10μrad。与凹面镜开小孔的准直方法相比,会聚光束法准直非稳腔,能滤掉耦合输出镜的零级反射光,使氦氖参考光束清楚显示谐振腔的准直和参量变化。

 
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