查询词典 water rate

It,s allelchemicals were isolated through extraction, thin-layer chromatography, and column chromatograpathy. After the white clover was infused in ethanol and evaporation, the leavings was dissolved by water. The aqueous extract was extracted by petroleum,chloroform, ethyl acetate and n-Butanol successively, and the bioassay showed that the chloroform phase has obvious inhibitory effect, the inhibitory rate was 44.32%,88.08% on Abutilon theophrasti M., seedling length and root length, 82.08%,92.16% on Echinochloa crusgalli L., seedling length and root length, and the Amaranthus retroflexux L., germination rate is 0, the secondly was ethyl acetate phase.

运用萃取、薄层层析、柱层析等方法对白三叶草地上部分的化感物质进行初步分离，结果表明，白三叶草经乙醇浸提旋转蒸发后用蒸馏水溶解，依次用石油醚、氯仿、乙酸乙酯、正丁醇萃取，生物测定表明氯仿组分对杂草的抑制作用最强，对苘麻芽长和根长抑制率分别为44.32%、88.08%，对稗草芽长和根长的抑制率分别为82.08%、92.16%，反枝苋的发芽率为0；其次是乙酸乙酯相。

Although it has achieved progress of reducing the acid mist, water loss rate, self-discharge rate, and improving the discharge capacity, but it has also brought a series of new problems:poor ability of the electrode gel penetration, weak

它虽然在减少酸雾，降低失水率，减少自放电率，提高放电容量等方面取得了进步，但又带来了胶体向电极渗透能力差，与AGM隔板匹配能力弱和电极反应速度慢等一系列新的问题。

For the aim of saving energy and optimizing control of chilled systems, the performance of VWV systems and characteristics of control systems were analyzed based on the simulation. According to the characteristic of the monitored parameters and controlled variables in VWV systems, three online optimal control strategies were proposed and validated:(1) Optimal strategy for on/off control of chillers according to the ratio of secondary flow rate to primary flow rate.(2) Optimal strategy for the control of secondary pump according to value positions of auto-controlled AHU vales. And (3) Optimal strategy for supply chilled water temperature control of chillers according to valve positions of auto-controlled AHU valves and working status of secondary pump.

为达到节能和优化系统控制的目的，在楼宇空调水系统及其局部控制仿真分析的基础上，针对变流量系统监测点和可调参数较多的特点，提出并验证了3个实时优化控制方案：根据初级和二级冷谋水流量的比率，实时优化多台冷水机组的启／停控制；利用AHU自动控制水阀的阀位信息，实时优化二级水泵的控制；利用AHU自动控制水阀的阀位信息以及二级泵的工作状况，实时优化冷水机组出水温度的控制。

The results indicated that the use of such membrane could achieve satisfactory separation effects (condensate of high alcoholicity and rich flavoring substances was obtained, membrane-flowing rate: ethanol＞esters except ethyl lactate＞aldehyde＞other alcohol＞water), the membrane had good selectivity to ethanol and ethyl caproate had good membrane-flowing rate and membrane-passing percentage, however, ethyl lactate, aldehyde and methanol had poor mambrane-passing percentage with heavy loss during membrane-passing.

结果表明，渗透汽化膜有良好的分离性能，可得到高酒精度、香味物质富集的冷凝液；过膜速率：乙醇＞酯类＞醛类＞其他醇类＞水；膜对乙醇选择性好，己酸乙酯的过膜率及过膜速率高；乳酸乙酯、醛类及甲醇过膜率较小、损失量较大；渗透汽化膜用于白酒的香气成分分离有良好的工业应用前景。

Process water cooling with open circuit is designed Two indrirect circulating systems are used, of which BF circulating system with flow rate of 1,900 t/h for BF proper and 600 t/h for stove HP circulating system used for cooling of tuyere and small cooler of cinder notch with flow rate of 330 t/h 1.2.1.4 BF structure The 450 m3 blast furnace is of stand free type with steel frame structure for supporting of 5 platforms and the skip bridge.

过程中的冷却水与开放电路设计两个indrirect系统循环使用，其中高炉循环水系统与流量1900吨/小时正确高炉和600吨/小时炉惠普循环系统用于冷却风口和小凉煤渣缺口流速为330笔/小时 1.2.1.3高炉结构 450 m3高炉是站在自由型钢架结构为支撑平台5和跳过大桥。

In all cases, the rate of degradation was found to be higher than the corresponding inorganic chloride yield from the parent compound. Deoxygenation was also found to increase the rate of degradation of the chlorophenols in water while degradation under alkaline condition was lower than at low to neutral pH.

试验结果表明：有机氯辐射降解的速度要比无机氯生成的速度快得多；溶液的去氧也能加快氯代苯酚的降解；在酸性到中性条件下比碱性条件下更利於有机氯裂解。

It is an infrastruction which aims to solve the problem of drinking water in rural areas and raise the popularizing rate of rural tap water as well as improve the standard of drinking water safety.

随着工业化和城市化水平的迅速提高，居民和工业、服务业对供水的需求大幅度增长，供水不但成为经济发展的瓶颈，而且关系到农村公共卫生安全和社会的稳定。

It is an infrastruction which aims to solve the problem of drinking water in rural areas and raise the popularizing rate of rural tap water as well as improve the standard of drinking water safety.

目前，浙江省政府正在实施&千万农民饮用水&工程，这是一项旨在解决农民饮用水问题，提高农村自来水普及率和饮用水安全水平的水利基础设施工程。

A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.

小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。

A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.

简介： 小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。

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。