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The oxygen consumption characteristics of jet aeration-pressurized biological contact oxidation process was studied in this paper, and the relationship between pressure, air-water ratio, dissolved oxygen, oxygen uptake rate , and volume load was analyzed.

研究了射流曝气-压力式接触氧化法的耗氧特性，分析了压力、气水比、溶解氧、耗氧速率、容积负荷等的相互关系。

Sea water's salinity varies from that of the saltiest waters (such as the desert-bound Red Sea with a high evaporation rate and little inflow of freshwater) to one of the least salty (the Baltic Sea where there is a high inflow of freshwater from rivers).

海水的含盐量不同，在saltiest水域（如沙漠约束红海的高蒸发率和很少的淡水流入），以一个最不咸（波罗的海那里是一个高的淡水流入从河流）。

It has the highest purification sewage rate, the peat coal water retention property is good and so on the characteristic, is the precious ecology and the traveling resources, Yunnan province wetland area reaches as high as 259153.7 hectares, Yunnan has established the rivers, the lake, the bog of the same kind 16 wetlands nature protection area successively, the wetland protectorate type and the area all occupies the national front row.

它具有净化污水率高、泥炭持水性良好等特点，是宝贵的生态和旅游资源，云南全省湿地面积高达259153.7公顷，先后建立了河流、湖泊、沼泽等类型的16个湿地自然保护区，湿地保护区类型和面积都居全国前列。

The effects of the content of acetic acid or water in mobile phase, temperature, sample loading and flow rate on the separation were systematically investigated. The fast enantioseparation of these two racemates on monolithic columns were successfully realized.

考察了流动相中添加不同浓度的醋酸和水、温度、进样量以及流速对分离的影响，在这两种整体柱上实现了对其消旋体的快速分离。

In optimal design procedure, two important design variable are identified: one is recycle flow rate and the other is specification of acetic acid in the distillate of second column (pinch point exists between water-acetic acid system).

在最适设计步骤中，我们发现两个最重要的变数：回流股流量及第二根塔顶乙酸规格(乙酸与水之间有狭点存在)。

In the rubber cultivation and the construction of rubber plantation, the restrict effect of seed coat on water lose of kernel and non-sensitivity to lower temperature could be utilized to prolong seed storage period, increase germination rate and improve seedling quality.

在橡胶树栽培和胶园建设中，可利用种皮对种仁水分散失的限制作用以及对低温的不敏感性，有效延长橡胶树种子的贮藏时间，提高萌发率和籽苗质量。

The electrochemical properties of mixed metal oxide anode were evaluated in sea water. The oxide anode has higher electrochemical activity and lower consumption rate than platinized anode and lead silver alloy when it is energized in seawater, indicating that the oxide anode belongs to anode material of high performance.

研究了金属氧化物阳极在海水中的电化学性能，金属氧化物阳极比铂复合阳极、铅银合金等其它阳极材料具有更高的电化学活性和更低的消耗率，属于高性能辅助阳极材料。

Within a single storm, process of runoff and sediment seem the same in outsets of different scale watersheds, about runoff rate is 1.27 m/s, concentration of sediment tend to change little and nearly 700 kg/m~3, this determine the relationship between water and sediment, or the relation reflect study area situation, for example, soil and event storm and sediment and so on. In fact this program established scale transition partly.(2)The loess plateau in north china is located in the middle yellow river basin, and records some of the highest erosion rates in the world. The hilly part of the loess plateau is one of the most severely eroded regions of the loess plateau.

基于此本论文选择陕北大理河流域为对象，依据黄河支流的水文资料，分析了不同尺度大小流域的水沙侵蚀资料，取得以下结果：(1)发现就次暴雨洪水而言，各尺度流域出口的径流泥沙过程都表现为洪峰陡涨陡落沙蜂陡涨缓落，含沙量随流量增大到一定程度1.27m／s时变化趋于稳定，保持在400kg／m~3以上，决定了该地区水沙之间的关系，不同尺度大小流域出口暴雨洪水的水沙关系在一定程度上是一个区域特征值。

The fluoride absorption was positively related to respiratory rate of leaf andthe content of free water in leaf tissue,but negatively related to the thickness of lowersurface and osmotic potential with zero expansion pressure of leaf.

9树木对大气氟污染的抗性强弱与树种的气孔总传导度大小负相关，对大气二氧化硫污染的抗性与气孔总传导度和叶组织pH值负相关，树木对大气氟化物的吸收能力与呼吸速率和自由水含量正相关，与膨压为零时渗透势和下表皮厚度负相关。

Conventional tillage with bare ground, conventional tillage with straw incorporated and no-tillage with straw mulch were studied in the Hexi corridor of Gansu provience. The result showed: on summer fallow NTS stored soil water more than CTB and CTS by 30.62mm and 23.91mm, respectively; the winter storage irrigation quotas should be reduced to 900~1350 m^3/hm^2 on winter fallow; evaporation controlling rate arrived 38.1% and 7.3% at winter storage irrigation quotas 975m^3/hm^2 and 2100m^3/hm^2, respectively; NTS did not reduce ET during the spring wheat growth stage; yields different between treatments was not significant.

对甘肃河西内陆河灌区采用常规耕作、秸秆还田和覆盖免耕技术的农田水分效应进行研究，试验结果表明：在夏季休闲期，覆盖免耕比常规耕作和秸秆还田多贮水30.62mm和23.91mm；冬季休闲期可将大定额的储水灌溉减少到975~1350立方公尺/hm^2；覆盖免耕抑制蒸发率在储水定额为975立方公尺/hm^2时达到最大值38.1%，而在2100立方公尺/hm^2时最小为7.3%；覆盖免耕在作物生育期并没有减少土坡耗水量；各处理产量之间没有显著差异。

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。