容积计

The control volume integration was applied to deduce the discrete expressions of the convection-diffusion equations. The staggered grid and SIMPLE algorithm were introduced to deal with coupling between pressure and velocity, and then the numerical computation expressions of such variables as fluid flow velocity and pressure were deduced. Using the backward difference method and incremental theory to discretize the governing equations for fields of chemical reaction, material structure and chemorheology, the numerical computation expressions of variables such as the monomer conversion, average molecular weight and fluid viscosity were constructed.

应用控制容积积分法导出了对流—扩散方程的离散表达式，引入交错网格技术与SIMPLE算法，实现了耦合的压力场与速度场的分离式求解，推导得到了流体的流动速度、压力等物理量的数值计算式；采用向后差分方法和增量方法，实现了化学反应场、材料结构场、化学流变场控制方程的离散，获得了反应转化率、聚合物平均相对分子质量、流体黏度等物理量的数值计算式。

When the volume of liquefied petroleum gas is measured with a volumetric flowmeter and the relative density is measured manually with a pressure densimeter,the mass cannot be calculated in accordance with the existing standard for mass calculation.

当液化石油气体积采用容积式流量计测量，相对密度采用压力密度计手工测量的计量方式时，依据现有的质量计算标准，其质量无法进行计算。

Lees than 97.5% of volume, CO2 shall be not less than 98% of volume.

二氧化碳含量按容积计不得低于98%。

The volumeter is freestanding of the brass or stainless steel cup, which is calibrated to a capacity of 25.0 ± 0.05 mL and has an inside diameter of 30.0 ± 2.0 mm.

此体积计为已经过校正的容积为25.0 ± 0.05 mL的铜或不锈钢杯，内径为30.0 ± 2.0 mm。

The amount of ink is the unit BCM WYKO using advanced computer tomography of the interferomter and integrodifferential, as amended, is a net volume of the standard unit of measure.

传墨度的单元BCM，是拔取保守WYKO电脑干涉仪不纬断层扫描增积不合得不入的，是网孔容积的尺度计度单元。

When the influent pH was controlled between 7.5 and 8.0, the maximum sulfide and nitrate removal loading rate were 2.96 kg·(m3·d)-1 and 0.47 kg·(m3·d)-1, respectively.The basifying reaction and remnant sulfide led to increasing pH values that were finally beyond the bacteria toleration and caused process instability at high loading rates.

控制进水pH在7.5～8.0之间，反应器的最大容积硫化物和硝酸盐去除速率分别为2.96 kg·(m3·d)-1和0.47 kg·(m3·d)-1（分别以硫元素、氮元素计），反应过程产碱及残留硫化物，均会导致反应液pH值过高（9.11±0.38），引发高负荷时工艺失稳。

The results indicate that ① the reactor with sulfur particle size of 2.8-5.6 mm can effectively remove nitrate from nitrified leachate up to a concentration of 400 mg/L NO - 3 N at a hydraulic retention time of 5.71h;② the minimum hydraulic retention time necessary for complete denitrification depends on sulfur particle size and influent nitrate concentration;③the maximum volume...

结果表明，当HRT为5.71h，硫磺粒径为2.8－5.6mm时，最高处理浓度（以NO－3－N计）达400mg／L。达到完全反硝化所需的最小停留时间取决于硫磺粒径及进水硝酸盐浓度。硫磺粒径为2.8－5.6mm，5.6－11.2mm，11.2－16mm时，NO－3－N最高容积负荷分别为594，278，175.4g／（m3d）。NO－3－N最大表面负荷约为0.68g／（m2d），是自养反硝化的控制因素，与硫磺粒径无关。

The results of continuous experiments with BAF show that: the short nitrification occurs when the Qair/Qinfluent ratio is 4:1 with NO_2~--N accounting for 72% of NOx--N; the suitable recirculation rate is 200%; the ratio of external acetate dose to NH4+-N concentration is 2:1 attributing to the short nitrification; BAF needs being backwashed when the headloss increases to 6 cm every 17~20 days; in the water reuse context, 98.7% water yield can be obtained.Lastly, the long-term operation of SBR-BAF system indicates it can treat the wastewater efficiently.

BAF反应器连续流试验结果表明：最佳气水比为4：1，硝化类型以短程硝化为主，NO_2~--N占到NOx--N的72%；综合考虑对TN的去除率和动力消耗，最佳回流比为200%；最佳缺氧/好氧容积比为3：5；由于短程反硝化较全程反硝化碳源需求量低，在BAF反应器进水NH4+-N 40mg/L左右的情况下，乙酸钠投加量为80mg/L以COD计设定水头损失达到6cm时进行反冲洗，随水温不同，反冲洗周期为17~20d，产水率为98.7%。

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。