中柱的

Taking the irrigation with reclaimed water of Dawukou Forest Park in Ningxia as an example,through the indoor test of one-dimensional dust columniation,the regular patten of pollutant shift in soil when irrigated with reclaimed water at different infiltration condition was studied.

以宁夏回族自治区大武口市森林公园利用再生水灌溉为例，通过室内一维土柱试验模拟土壤的入渗过程，研究了不同灌溉入渗条件下污染物在土壤中的运移规律，结果表明：土壤的吸附作用是影响该地区土壤污染物迁移的主要因素。

Then, using these data tables to graph through figure guide and get single latitude positive axis conic projection figure and histogram about length distortion with latitude.

并介绍了如何利用求得的数据表使用EXCEL软件中的图表向导进行绘图，绘得正轴单纬圆锥投影图，即大地坐标的经纬网展布图及长度变形随纬度变化的关系柱状图。

The safety of the safe coupling with elastic dowel pin and selection of its parameters are described in detail in combination with the project example, it is pointed out that good result can be obta in ed if it is applied in driving equipment of low speed and high torque.

文摘：结合工程实例对弹性柱销安全联轴器的安全性及参数的选取作了详细的阐述，指出其在低转速、高转矩的传动设备中使用，可取得很好的效果。

The safety of the safe coupling with elastic dowel pin and selection of its parameters are described in detail in combination with the project example , it is pointed out that good result can be obta in ed if it is applied in driving equipment of lowspeed and hightorque .

文摘：结合工程实例对弹性柱销安全联轴器的安全性及参数的选取作了详细的阐述，指出其在低转速，高转矩的传动设备中使用，可取得很好的效果。

If the air drag and composite motion are considered in the analysis of the balloon yarn in ring spinning,the calculation with the circular cyclindrical coordinates is simpler and more precise.

在环锭纺气圈的分析中，用柱面坐标系计算能简明、清晰地反映空气阻尼力、复合运动诸因素的综合影响。本文介绍了根据照相测量的气圈形态参数计算纱线张力的新方法

Firstly, based on the wave equation, determining reasonably its initial boundary condition, the paper establishes a computer diagnostic model of oil pumping mechanical well, the damping factor in the model has been reasonably determined, the implicit difference solutionis conducted to the model by changing of step width expression difference solves, and the half analytical solution is explored to the model - fine integral method; and realizes the transformation from dot indicator diagram to indicator diagram of any section.

首先从抽油机井计算机诊断技术的理论基础入手，考虑多级抽油杆连续性，建立了粘滞阻尼波动方程，合理确定模型中的阻尼系数，采用无条件稳定的隐式差分法及半解析方法求解方程，获得抽油杆柱任意断面和抽油泵处的示功图。

A class of exact solutions of the Dirac equation are obtained for an electron in the electromagnetic field of a wave guide formed by two pairs of hyperbolic cylinders.

摘要研究了位于由两对双曲柱面构成的波导管电磁场里的单电子的性质，得到了单电子在场中狄拉克方程的新一类精确解；计算了极化算符的本征函数。

The snow levels all things, and infolds them deeper in the bosom of nature, as in the slow summer, vegetation creeps up to the entablature of the temple, and the turrets of the castle, and helps her to prevail over art.

任何东西在白雪的覆盖下似乎都处于一样的地位，自然把它们包裹在自己的怀抱中，就像夏季里爬上庙宇柱顶或城堡角楼的植被，覆盖了人类的艺术品。

In the method, the equation of vorticity is simplified and combined with the definitions of vorticity and divergence , and then restrained by the equation of continuity to set the system of retrieval equations. Three-dimensional wind vector, vorticity and divergence can be got by solving the system of equations. Preliminary test has proved that it is feasible.

该方法从动力学角度出发，将柱坐标中的垂直涡度方程适当简化后，联系涡度散度的定义式，再以大气连续方程作约束，得到一个反演方程组，求解方程组就可得到不同高度层上的三维风场以及涡度、散度，初步检验证明其是可行的。

With the increase of Hydraulic loading in anaerobic columns, the rate of exorcize of kjeldahl nitrogen and COD drop gradually, when the hydraulic loading increase to 20 ml/L.d, the the rate of exorcize of kjeldahl nitrogen drop to 60%; when the hydraulic loading increase to 21-23 ml/L.d, the rate of exorcize of COD drop to 20%.

厌氧柱中随着水力负荷的增大，凯氏氮和COD的去除率均呈现逐渐下降，水力负荷增加到约20ml/L·d，凯氏氮的去除率直线下降到60%以下；水力负荷增加到21～23 ml/L·d，COD的去除率直线下降至20%。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。