查询词典 water rate

The experiment is very hard to remove phosphor. The best backwash cycle is 6 hours and use air water backwashing. The treatment efficiency could come back to 70% after 12 hours behind the backwash.(5)The removal rate of double-layer medium BAF is better.

5与单一炉渣填料的生物滤池的处理效果相比，本试验的双层填料曝气生物滤池显著提高了出水水质，尤其提高了滤池对NH_3-N的处理效果：滤池对COD_的去除率平均提高了10％，对NH_3-N的去除率平均提高了将近30％。

The photosynthetic rate is the highest at 40μmol/m^2s. The light intensity for photosynthesis of Batrachospermum longipedicellatum. is saturated light intensity. The light compensation points increase with the rise of water temperature. They are 4.5, 5, 5.6, 6 and 7μmol/m^2s at 5℃, 10℃, 15℃, 20℃ and 15℃ respectively.

长柄串珠藻的光补偿点随温度的升高而升高，5℃、10℃、15℃、20℃和25℃的光补偿点分别为4.5μmol/平方公尺s、5μmol/平方公尺s、5.6μmol/平方公尺s、6μmol/平方公尺s和7μmol/平方公尺s。

Belite-calcium barium sulphoaluminate cement is a new type of cementitious material. Compared with belite cement the cement has a high hydration rate, short setting time, little water need, and good corrosion resistance.

贝利特－硫铝酸钡钙水泥是一种新型胶凝材料，与贝利特水泥相比，该水泥的水化速度快，凝结时间短，需水量少，耐腐蚀性好。

The proper hydrolysis reaction temperature of benzal chloride was 1000C and the initial quality rate of water phase and organic phase was 2∶1,reaction time was 3 hours.

苄叉二氯的水解方法已经有很多报道[1，2]，主要的方法有酸性水解法、碱性水解法、酸碱联合水解法和催化水解法。

The separation of optical isomers of 2, 2'-dihydroxy-1, 1'-binaphthyl and 2, 2'-diamino-1, 1'-binaphthyl was studied by reversed-phase high performance liquid chromatography on a chiral stationary phase consisting of-hydroxypropyl-β-cyclodextrin (Cyclobond Ⅰ 2000 SP)using methanol/water as the mobile phase. The effects of mobile phase ratio, flow rate and column temperature on separation of optical isomers of DHBN and DABN were investigated.

在S-羟丙基－β-环糊精手性柱(CyclobondⅠ2000 SP)上用反相高效液相色谱法研究了2，2'-二氨基－1，1'-联萘和2，2'-二羟基－1，1'-联萘光学异构体的分离，考察了流动相组成、流速以及柱温等对联二萘胺和联二萘酚光学异构体分离的影响。

During hot water treatment to bivoltine races, the temperature effect on rate of asexual developed eggs was more significant than that of soaking time.

以我国家蚕二化性现行品种为材料所进行的诱导条件优化研究，首次探明了温汤处理时温度对无性繁殖发生率的影响效应显著超过处理时间。

The root biomass improved the soil infiltration rate and reduced runoff,the runoff and erosion amount of meadow brome decreased by 98.2%and 99.9% respectively,and the ability of water retention and soil-reinforcement of meadow brome was 5.2 and 1.5 times than that of corn.

同时，草地雀麦010 cm土层根系发达，地下生物量是玉米的2.88倍，可以显著提高自然降水的土壤入渗率，减少地表径流，使坡地年径流量与土壤侵蚀模数减少98.2%和99.9%，保水、固土能力是玉米种植的5.2倍和1.5倍，水土流失防治效果显著。

The research progresses in degradation technologies of benzene or some of its derivatives in water are reviewed.The macroscopical reaction mechanism of HNO2(NO2-)and C6H5Br in aqueous solution has been studied.Different influence factors have been discussed,including different pH condition,initial concentration,irradiation time,different anions and the optimization of experimental conditions.By using liquid chromatography,the degradation rate of bromobenzene has been qualitatively analyzed.The concentration variations of Br~and NO2- have been analyzed by using ion chromatography.

本文介绍了苯及其衍生物对水环境所造成的污染和危害，研究了365nm光照下HNO2(NO2-)与C6H5Br混合溶液的宏观反应过程，初步考察了混合体系中溴苯的降解及衰减行为，较为系统地探讨了影响溴苯降解过程的各种影响因素，包括溶液的pH值、初始浓度、光照时间、不同离子的影响以及实验条件的优化，并利用液相色谱法进行定量研究溴苯的降解率，利用离子色谱法分析检测实验过程中溴离子和亚硝酸根离子的变化。

A determination method of ursolic acid in Callicarpa macrophylla Vahl leaves by reversed- phase high performance liquid chromtograph was established. The chromatographic column (Symmetry Shield RP18), methanol-water mobile phase(88:12, V/V) with 1.0 ml/min flow rate, the detection wavelength (210nm) and the column temperature (25℃) were adopted.

建立反相高效液相色谱测定其含量的方法，色谱柱为Symmetry Shield RP18柱，流动相为甲醇-水（体积比88∶12），流速1.0 ml/min，检测波长210 nm，柱温25℃。

A determination method of ursolic acid in Callicarpa macrophylla Vahl leaves by reversed- phase high performance liquid chromtograph was established. The chromatographic column (Symmetry Shield RP18), methanol-water mobile phase(88:12, V/V) with 1.0 ml/min flow rate, the detection wavelength (210nm) and the column temperature (25℃) were adopted.

建立反相高效液相色谱测定其含量的方法，色谱柱 Symmetry Shield RP18柱，流动相为甲醇-水（体积比88∶12），流速1.0 ml/min，检测波长210 nm，柱温25℃。

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。