1) second critical gradient
第二临界坡度
1.
Based on analysis and comparison of the principle, method and form of train mass calculation and the correlative“ select judge value” for raising speed train,a change of particular attention from train mass to train speed is recommended in this paper,and the second critical gradient between the recommendatory maximum speed me.
本文在分析与比较提速列车质量计算的原则和方式方法以及相关的选择判别值的基础上，提出应从传统的侧重列车质量的方式转向侧重运行速度的方式，并最终确立第二临界坡度为推荐的最高速度（保有加速度）法与传统的计算速度法的选择判别值。
2) critical grade
临界坡度
1.
In the end,acquiring the corresponding critical grade and critical sidetrack,in order to carry out rational development and use of geoloical structure and achieve the object of optimal construction scheme and maximum economic benefits.
以块体理论为基础,运用全空间赤平投影法,对层状岩质基坑壁走向与开挖坡度的关系进行了优化,得出了相应的基坑壁开挖临界坡度和临界走向,以对地质构造进行合理开发和利用,从而达到施工方案最优化和经济效益最大化的目的。
2.
With discussions on the necessity of erosion protection for highway embankment slopes and the deficiencies of previous research of critical grade, hydraulic analyses was carried out on the velocity and depth of runoff on the slope.
首先分析了路堤边坡冲刷防护必要性及目前边坡冲刷临界坡度研究存在的不足,然后针对这些不足,对边坡径流流速、水深做了较为细致的水力学分析,利用泥沙动力学研究了坡面径流对土颗粒冲刷机理,得出了各主要坡面冲刷影响因素(降雨、坡高、坡面的粗糙系数、土粒比重与直径)与冲刷临界坡度的函数关系,并认为该坡度不是一个常数,而是一个受这些因素影响的可变区间。
3) critical gradient
临界坡度
1.
Research on critical gradient for erosion of expressway embank slope based on energy method;
基于能量法的高等级公路路堤边坡冲刷临界坡度研究
2.
By means of mechanics of sediment transport, forces acting on soil grain are analyzed under the slope surface flow and calculation formula of critical gradient is set up.
通过泥沙运动力学分析了在坡面流作用下土颗粒的受力情况,建立了临界坡度的计算公式。
3.
The slope gradient has an important influence on soil erosion and the critical gradient exists under the condition of rainfall.
针对降雨条件等环境影响条件下路堑边坡存在的临界坡度,指出坡面流侵蚀的定义并系统分析了坡面流侵蚀的主要影响因素,利用泥沙运动力学理论,研究了坡面土壤侵蚀率与坡面流的剪切力之间的变化关系。
4) critical slope
临界坡度
1.
It is considered that the critical slope and steady slope can be formed for condition of characteristic flow during river closure of main channel.
认为在三峡大江截流特定的水流条件下，可以形成临界坡度和稳定坡度两种坡度。
2.
But,there is a critical slope.
坡度是影响坡面土壤侵蚀的重要因素,在一定条件下,坡面土壤侵蚀随着坡度的增大而增加,但存在一个临界坡度,当超过这个坡度后,坡面土壤侵蚀量反而随着坡度的增大而减少。
5) critical slope gradient
临界坡度
1.
The calculative method of critical slope gradient was got from combining the incipient velocity formula and rill stable condition.
结合细沟泥沙起动公式和细沟稳定条件得到坡面侵蚀临界坡度的计算方法。
2.
With the same slope length,the critical slope gradients for soil erosion and mineral nitrogen loss were validated between 15° and 20°.
室内模拟降雨试验表明,当坡长一定时,不仅土壤侵蚀量存在一个“侵蚀临界坡度”,土壤矿质氮流失量随坡度变化也存在一个“养分流失临界坡度”。
3.
From the following four aspects: drag forces, velocity, energy and sediment carrying capability of slope surface flow, the threshold gradient of slope surface erosion in the granite area in the south of china is discussed, and it is obtained the critical slope gradient is from 35 to 43 degree.
从坡面流拖曳力、流速、能量及挟沙力４ 个方面，分析了南方花岗岩地区坡面侵蚀临界坡度，得出其临界坡度为３５～４３
6) second critical fluidization velocity
第二临界流化速度
补充资料：各向异性第二临界磁场（anisotropicsecondcriticalmagneticfield）
各向异性第二临界磁场（anisotropicsecondcriticalmagneticfield）
在主轴坐标系中，设磁场平行于主轴Z，由各向异性GL方程给出的各向异性第二临界磁场为
Hc2∥(T)=`\frac{2|\alpha(T)|(m_1^\**m_2^\**)^{1/2}}{\mu_0\hbare^\**}`
$=sqrt{2K_1K_2}H_c(T)$
这里α(T)为GL自由能密度展式系数，mμ*和Kμ(μ=1,2,3)分别为库珀对有效质量和GL参量的μ分量，e*为库珀电子对电荷量，$hbar$是除以2π的普朗克常数，μ0是真空磁导率，Hc(T)为热力学临界磁场。对层状结构氧化物超导体，GL参量Ka≈Kb=Kab，并有
Hc2∥(T)=$sqrt2K_{ab}H_c(T)$
Hc2⊥(T)=$(2K_{ab}K_c)^{1/2}H_c(T)$
Hc2∥和Hc2⊥分别为磁场与主轴Z（或晶轴C）平行和垂直时的第二临界磁场，其物理性质含义参见“第二临界磁场”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条