a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.
在某个地方的完美球型壳层,厚度，我们把它叫做4πr平方，我们仅仅是把它,乘以概率密度。
This model can be used to determine parameters related with critical initiation of explosive, such as deposited laser energy, thickness of ablation layer and flyer, flying distance and so on.
这种模型能确定与炸药临界起爆相关的参数，诸如沉积的激光能量、烧蚀层和飞片的厚度以及飞片飞行的距离等等。
This particular failure depends on two factors such as the distance of plate end from the support and plate thickness.
影响这种剥离破坏的主要因素有两个：一是粘贴钢板的端部与加固梁支座距离； 二是粘贴钢板的厚度。
The heat transferring drum pipe, its heat insulativity and its heat-insulating Layer's thickness have not the distance scale.
对于圆筒输热管，其热绝缘性能与绝热层厚度之间的关系，远非象平壁那样呈线性关系。
Emphasis is laid on the effect of tube distance and fin thickness on fin efficiency.
重点分析了圆管与扁管管间距、肋片厚度对肋效率的影响。
Calculate the engaging distance between inserts and slots and the least thickness from bearing to contour of cone automatically.
自动计算相邻牙轮之间牙齿与齿槽的最小啮合间隙和牙齿底部到牙轮内孔的最小壁厚。
We studied the relationship between the films thickness, grain size and deposition parameters, i. e. pulse laser frequency, striking voltage and distance from the target to the substrate.
研究了所制备薄膜的厚度、颗粒度等与薄膜制备过程中激光脉冲频率、引弧电压和靶材—衬底间距等工作参数之间的对应关系。
The article designs a special dial thickness gauges that measures the distance between ring-steps in two concentric bores.
设计一套特殊测厚规测量两个环形凸台的距离，这两个环形凸台位于两个同心孔内。
Irrespective of the actualposition of the sheets, the material thickness is obtained by simple couplingof the distance signals from both sensors.
材料的厚度可以通过叠加两支传感器所测量到的位置值得来。
The far-infrared dryer of 5hy model for vegetables was developed on the basis of researches on the effects of drying process with heating temperature, thickness of materials and radiation distance.
在探讨了加热温度、料层厚度及辐射距离等因素对干燥过程影响的基础上，研制了5H Y型远红外蔬菜脱水机。
While, the system signal-to-noise ratio (SNR) value decreases with the increase of the glass thickness and the detection distance.
随着玻璃厚度的增加和探测距离的改变，系统的信噪比会随之变化。
The distance between peaks increases as the thickness is reduced.
峰值间的距离随厚度的减薄而增大。
To the same size barrier, the thickness of deposited sand increased with wind velocity, and decreased with the distance to sand source.
同一规格的沙障，障内积沙厚度随着风速的增大而增大，随着距沙源距离的增加而减小。
The AMF is studied with various design parameters of iron plates, such as quantities, length, thickness, distance between plates and inner diameters etc.
研究的铁心片设计参数包括数量、长度、厚度、高度、间隙及内径等。
By rule of thumb, the total thickness of pad and casting (at the pad location) should not be less than one-fifth of the metal-feeding distance.
由经验法则，其总厚度的软垫及铸造(在垫板上的位置)，应不低于上就有五分之一的金属补缩距离。
Enter the pipe diameter, wall thickness and pipe material, and the PT500 calculates the optimum mounting method and separation distance for the sensors.
输入管径，壁厚，管道材料，以及PT 500计算出最佳的安装方法，传感器和分离的距离。
The thickness of thermal boundary layer has little relations with the distance away from the air distribution.
热边界层的厚度与距离布风板的位置关系不大。
Axis symmetrical pure radial and pure shear vibrations were investigated theoretically for disk concentrators, whose thickness varying step-wise, linearly or exponentially with radial distance.
理论上研究了盘形聚能器的轴对称纯径向振动和纯扭转振动。所用盘形聚能器的厚度，沿半径按阶梯形，锥形和指数形变化。
Micrometer: An instrument used to measure accurately small distance, thickness, etc. To the nearest 1000th inch or cm.
千分尺：用于精确测量小长度，厚度等的一种仪器，其精确程度达至千分之一寸或厘米。
The results showed that the thickness uniformity becomes better along with the increasing target-substrate distance.
研究结果表明，随着靶基距的增加，膜厚均匀性逐渐变好。
This thesis mainly researches the methods which measure the mental thickness and the distance between the mental and the coil through adopting the technology of pulsed eddy current (PEC).
本文主要采用脉冲涡流无损检测技术对测量金属厚度和金属与线圈之间距离的方法进行了研究。
Layer thickness, faulting velocity, lithology changes, distance from the fault plane, and so on, had some control on fracture evolution.
岩层厚度、断移速率、岩性变化、距断面距离等因素对裂缝发育均有一定的控制作用。
Besides, it points out that it is also important to survey the cover coat thickness, the tunnel line shape, the dig in distance, the working …
此外，覆盖土的厚度、隧道线形、掘进距离、工期、竖井用地、邻近构造物等调查也至关重要。
Load Angle, eccentric distance, steel ratio, concrete strength grade and length-thickness ratio had been analyzed.
分析了加载角、偏心距、含钢率、混凝土强度等级以及肢长厚比对构件承载力的影响。
The results show that the stress in ceramic layer is mainly for lateral compressive one, and its maximal stress occurs in the place that is at the distance of 1/3 thickness from coating surface;
结果表明，陶瓷层内的残余应力主要表现为横向压缩应力，且最大值位于距陶瓷层表面1/3厚度处；
On the basis of the method of fuzzy synthetical evaluation, the evaluation model and evaluation method have been established for the optimal pipe thickness of long-distance PI...
在分析影响长输管道安全系数的基础上，利用模糊综合评判方法，建立了确定长输管道最佳壁厚安全系数的评价模型及评价方法，并进行了实例分析。
On the basis of the method of fuzzy synthetical evaluation, the evaluation model and evaluation method have been established for the optimal pipe thickness of long-distance PI...
在分析影响长输管道安全系数的基础上，利用模糊综合评判方法，建立了确定长输管道最佳壁厚安全系数的评价模型及评价方法，并进行了实例分析。
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