查询词典 water rate

In order to overcome the difficulties in measuring the flow rate of oil-water two-phase flow, the measurements of total mass flow rate, respective mass flow rate and real density of oil-water mixture with a double-U Coriolis flow meter were investigated.

针对油水两相流流量的测量难题，采用双U型Coriolis流量计对油水混合物的总质量流量、分相质量流量和真实密度进行了测量研究。

To study the effect of different warm water treatment on germination rate, contamination rate and callus rate of seeds containing endophytic fungi, tall fescue seeds were sterilized by water with different temperature (40, 50, 60℃) for different period of time (10, 20, 30 min), as well as sodium hypochlorite solution.

为了研究温水处理对富含内生真菌的高羊茅种子发芽率、污染率和出愈率的影响，以不同温度(40， 50， 60℃)、不同时间(10， 20， 30 min)的温水浸泡和次氯酸钠配合使用处理高羊茅种子，并进行发芽率试验和愈伤组织培养。

When the concentration of sulfur dioxide was fixed, the reaction rate increased separately with increasing oxygen content and water vapor content, when oxygen content was 20%, the reaction rate was the highest, while water vapor content was 444μmol/L, there was an optimum value for the photocatalytic degradation rate of heptene.

庚烯的降解速率随着二氧化硫浓度的增加而增加，最终趋于稳定。在二氧化硫浓度一定时，庚烯的反应速率分别随着氧气和水分子含量的增加而不断增大，氧含量为20%时速率最大；水分子含量为444μmol/L时速率最大。

Though studying the rate of permeable salt of two-pass reverse osmosis system,the effects of feed water pH value, permeant flux ,feed water conductivity on the permeable salt rate of the system are analyzed and the change regular of permeable salt rate along with the three factors is summarized.

以二级反渗透系统的透盐率为研究对象，分析了给水pH值、产水通量、给水电导率对系统透盐率的影响，总结了透盐率随三个因素的变化规律，比较得出了其中给水pH值对透盐率的影响最大的结论，且给水pH值为弱碱性条件下的透盐率最低

Over a 20-year period there was no increase in soil water content in the grazed grassland at depths of 2～9.9 m. There was a small increase(0.5～3.7 mm/a) in soil water content in the protected grassland, however the slow rate of increase suggests that at least 150 years would be needed for ungrazed grassland soils to regain water content similar to that present prior to planting trees. Recharge of deep soil moisture was faster in cropland(15 mm/a), but at this rate it would still take about 40 years to restore cropland soil water content to pre-plantation conditions.

结果表明，人工林死后的放牧荒坡在20a的时间里，其土壤水分没有补偿；人工林死后的保护草地土壤水分有微弱恢复迹象，但年恢复速度在0.5～3.7 mm之间，以这样的速度恢复到持续放牧荒坡的土壤含水量，至少需要150a以上；林后农地土壤含水量有恢复趋势，年平均恢复速度为15 mm左右，其土壤含水量要恢复到持续农地当前的水平，大约需要40a的时间。

The test results showed that when the cycle water flow was 65m^3/h and the oxygen flow was 1, 2,……, 10L/min, the relationship between the dissolved oxygen and oxygen flow in the water was y=0.1009χ^2+0.0594χ+5.9588 (r=0.9927). According to the mass balance principle, the maximum oxygen utilization rate of oxygen cone was calculated at 84.56%. Under the condition of the maximum oxygen utilization rate of oxygen cone, according to the rate of Nile tilapia oxygen consumption, the number of oxygen cone was projected in industrialized fish farming system. It provided the basis for oxygen supply system design in industrialized fish farming system.

结果表明，在循环水流量为65 立方公尺/h，水温24.5℃，氧气流量为0， 1， 2，……，10 L/min的条件下，溶氧与氧气流量回归方程为y=0.1009χ^2+0.059 4χ+5.958 8(r=0.9927)；根据物料平衡原理，推算出氧气锥的最大氧气利用率为84.56%；在最大氧气利用率的条件下，依照尼罗罗非鱼的耗氧率计算模式，推算出工厂化养鱼系统需配置氧气锥的台数。

Based on the data from heat water experiments for counter flow and cross flow cooling tower in laboratory with different water flow rate, air flow rate and water falling height, the equivalent diameters of water drop under corresponding conditions are obtained.

在逆流式冷却塔中，水的冷却分三部分：喷头、填料、雨区。但是，在进行填料的模拟试验中，要把上述三部分的热力特性分开，是很困难的。

Based on the data from heat water experiments for counter flow and cross flow cooling tower in laboratory with different water flow rate, air flow rate and water falling height, the equivalent diameters of water drop under corresponding conditions are obtained.

本文首先通过不同淋水高度、淋水密度、过塔风速等的逆流及横流试验塔的热水试验，求出相应条件下的淋水水滴当量直径，再在工业塔的条件下，利用水滴散热公式，计算出雨区散热效果，化为无因次数-冷却数，作出图及计算公式。

Coal is mainly physical adsorption to Cr〓(Ea=9. 245kJ·mol〓). When the concentration of waste water is comparatively low, adsorption rate to Cr〓 reaches 90% or so. The decolor rate is more than 63. 8% when coal depurates Rogor waste water. The COD removal rate is about 12% in purifying life-sewage using coal A.

煤在Cr〓溶液中对Cr〓主要为物理吸附（Ea=9.245kJ·mol〓），当Cr〓浓度较低时其去除率可达90%左右；煤处理乐果废水时脱色率高于63.8%；处理生活废水时COD去除率为12%左右。

In the experiment, three thawing methods, such as washing by water at 40℃, exposing at the room temperature of 25℃, and washing by tap water were used to estimate the effects of thawing methods on the survival rate after cryopreservation. The results showed that the relative survival rate of the calli with proembryos was higher than that of the general calli; and that different thawing methods had the same effect on the survival rate of longan calli by cryopreservation.

结果表明，具有原胚分化的胚性愈伤组织保存后的存活率明显高于普通胚性愈伤组织；40℃温水浴、25℃左右室温和自来水冲洗等3种不同的化冻方式对龙眼胚性愈伤组织玻璃化超低温保存后的存活率具有同样的效果。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。