结合水

Quantitative analysis of the EXAFS spectra showed that, in a 0 1mol/L NaNO 3 solution of pH 7 5, Zn was adsorbed onto the solid surface by sharing the oxygen atom in the hydrous Zn 2+ ions and in the structural unit MnO 6 on the manganite surface.

结果表明，Zn 水锰矿体系中(pH 7 5 ，0 1mol/LNaNO3 介质，2 5℃)，Zn2 +主要是通过共用水合Zn2 +的O原子及水锰矿表面上的O原子形成Zn—O键，从而结合到水锰矿固体表面上的。

Fine physical models of plunge pool with regard to Xiluodu Water Power Station were made in these experiments.

结合溪落渡水电站工程，制作了水垫塘精细物理模型，采用先进的模拟方法和测量手段，研究了在底板块止水完全破坏、锚筋失效，其四周及底部完全贯通的情况下，反拱水垫塘拱圈3个活动底板块的运动特性。

A ccording to the ,and connecting with the natural and social situations of the H uanghe valley in Shanxi Province,this paper m akes com prehensive analysis on the conditions of the water resources,introduces system - atically the m ethod for m aking the wat...

根据 "全国水功能区划技术细则"，结合对山西省黄河流域的自然、社会情况，尤其是水资源状况的综合分析，系统介绍了水功能区划的方法，对山西省黄河流域河流地表水进行了水功能区划并提出管理建议。

So the effect of pollution improvement is affected, at the same time investment benefit is not fully made well. Aiming at the above problems occurred during the improvement of water environment pollution, based on the general analysis of current water environment pollution situation and cause of pollution by the instance of the water environmental pollution improvement in the centre town of Chengdu City, the article puts forward the reasons of water environment pollution of most cities: wastewater collection is insufficient because of delaying of pipe net construction; capability of sewage treatment is inadequate; manage measure is not regular because of management not according to laws and laws not strictly executed; investment channels of pollution implement is unitary.

通过对成都市中心城水环境治理实施方案的研究，对如何与城市建设相结合来进行水环境污染治理提出以下几点看法：①应合理划分流经城市水体的功能区域和正确确定水环境治理目标一些设想；②必须有科学、合理、全面、可操作性强的城市排水规划；③建设、完善污水收集系统，提高污水收集率，加快城市污水处理厂建设，提高污水处理能力；④对中心城河道按防洪、截污、环卫、绿化、景观的要求进行全面整治；⑤治污资金的筹措应从单一的政府投资模式向多元化的融资渠道发展；⑥制定、完善相应的法律、法规、制度以及工程建设管理措施。

Through the trial regression to the ratio of unit injection well control area,unit well control area and injection-production well number ratio and shirr formula and unit injection well volume rate of change increasing with unit injection well control area decreasing,then Waterflooding reservoir macroscopica well spacing density formula c.

油藏工程理论及现场实践均表明，注水开发低渗油藏其注水方式和注采井数比对注水波及体积及水驱采收率有较大影响，通过对注水井水驱控制面积、单井控制面积与注采井数比进行了试探性回归分析，再结合谢尔卡乔夫公式，推导出了水驱采收率、驱油效率、井网指数、注采井数比与井网密度的关系式，从而建立了水驱油藏宏观井网密度公式。

The initial and boundary conditions and the mathematical model for water hammer of a throttle valve are deduced.

与水击理论相结合，推导了阻尼阀水击的初始和边界条件，创建了阻尼阀水击数学模型。

By the methods of system dynamics, a water environmental carrying capacity model was constructed, and the dynamic trend of the WECC in Liaoning Province was simulated by using this model, in combining with analytical hierarchy process and the vector norm method.

应用系统动力学方法建立了水环境承载力模型，并结合层次分析法和向量模法，模拟了辽宁省水环境系统的动态变化，预测了2000-2050年辽宁省水环境在不同发展方案下的承载能力。

Through researching the mechanism of biological nitrification and denitrification and actual project application of the technology and related literature materials, the obtained results are as follows:(1) Anoxybiosis is effective to the removal of COD; after the anoxic process, BOD/COD of the outflow increases, it shows that the degradation ability of wastewater is improved; anoxybiosis is insensitive when shock loading of inflow wastewater varies greatly;(2) It is demonstrated by the operation of inoculation and cultivating that biofilm takes two weeks to succeed in cultivating on packings and the removal ratios of NH3-N and COD get 50% and 70% respectively, when gas-water ratio is 6:1, HRT is 7.3 hour, water temperature is above 15°C;(3) It is demonstrated that gas-water ratio, hydraulic loading, HRT, temperature, pH etc are important factors which influence the removal effect of pollutants, when the gas-water ratio is 6:1, hydraulic loading is about 0.38kgNH3-N/m~3.d, water temperature ranges from 15°C to 27°C, pH ranges from 7.5 to 8.0, the BIOFOR removal effect of pollutants is the best;(4) The operation indicated that, this technology has strong ability of nitrification and denitrification; it has extremely vital significance for reducing the water body eutrophication;(5) It is confirmed the feasibility and the usability of preanoxic-BIOFOR process to treat L-lactic acid production wastewater. The experiment indicated that the treatment effect of this technology is very good and also shows that the technology has many advantages, such as small volume, high treatment efficiency, good effluent quality and strong endurance to load variation, this technology is a new and economical wastewater treatment process.

通过对生物脱氮机理的研究和该组合技术的实际工程应用，并结合有关文献资料，取得如下结论：(1)预缺氧池对L-乳酸生产废水中的COD去除具有一定的效果；废水中难降解的高分子物质经过缺氧工段分解为易于氧化降解的物质，浮状有机物在水解菌的作用下，将不溶性有机物水解为溶解性物质；预缺氧池具有较强的抗冲击负荷能力；(2)BIOFOR接种挂膜过程表明：HRT为7.3h、气水比为6：1、水温保持在15℃以上，经过半个月生物膜即以形成，NH_3-N和COD的去除率分别达到50％和70％左右；(3)研究表明：气水比、水力负荷、HRT、温度、pH等是影响污染物去除效率的重要因素，在气水比为6：1，NH_3-N容积负荷为0.38kgNH_3-N／m~3·d，温度在15℃-27℃，pH在7.5-8.0之间的条件下，BIOFOR对污染物的去除效率达到最佳；(4)运行表明，该组合技术具有较强的脱氮能力，对于减少水体富营养化具有十分重要的意义；(5)经过半年多实际工程的现场调试与运行，验证了利用预缺氧—BIOFOR组合工艺处理L—乳酸生产废水的可行性和实用性，得出该组合技术具有占地面积小，处理效果好，运行费用省，耐冲击负荷能力强等优点，是一项新型、经济的污水处理技术。

Moreover, taking the adsorption process from oven-dry state to the equilibrium state in 20℃,60%RH environment as an example, the dielectric relaxation based on the reorientation of adsorbed water molecules was separated out from that based on the methylol groups in the amorphous region of wood cell wall.

以绝干状态→20℃，60%RH 平衡态的吸湿过程为例，将基于吸着水分子回转取向运动的介电弛豫与基于木材无定形区中伯醇羟基回转取向运动的介电弛豫进行分离，并在 Eyring 的绝对速度反应论的基础上，求得了与吸着水分子进行回转取向运动相关连的热力学量，得到了在吸着过程中吸着水分子与木材吸着点之间的氢键结合随着水分吸着进程的变化情况。

The new opinion and mechanism that the simultaneously adsorption of complex pollution of both organic and heavy metals will be achieved on soil modified with amphoteric surface modifying agent, which have both charged group and organophilic group on one ASMA molecule, were proposed at first time, and its rationality was testified at the same time; The 50% was the critical CTMAB modifying ratio of soil CEC at which the organophilic bond modifying mechanism was emerged; The thermodynamic characteristics of adsorption of OPT and HMP on OMS were discovered ; The study revealed the surface peculiarity of OMS that the modifying agent were distributed at uneven scatter mode and multi-characters surface were coexisted on surface of OMS, revealed the adsorption peculiarity of OMS that multi-mechanisms were coexisted, confirmed the unequal charge amount modifying mode of OMS in which dual-modifying mechanism of both ion exchange and OPB were processed at the same time, and confirmed that the adsorption hobby to CTMAB was higher than that to Ca2+ on Lou soil.

首次提出了用两性表面修饰剂对土壤进行修饰改性，利用两性表面修饰剂所具有的荷电基团和疏水基团达到对土壤中有机、重金属污染物同时吸附的思路和机理，并通过实验证实了所提设想的合理性；发现了土壤CEC值的50%修饰比例是CTMAB开始显现以疏水键机制对土土样表面进行修饰的临界点；揭示了有机修饰改性土对有机物、重金属吸附过程的热力学特征，填补了该项研究工作的空白；阐明了修饰剂在改性土表面呈分散态的非均匀分布，改性土表面具有不同性质表面共存的表面特征和对污染物多机制共存的吸附特征，确定了阳离子表面修饰剂在土表面的修饰是一种离子交换和疏水键结合两种机制相伴并行且为非等电荷量交换的修饰反应模式，以及土具有对CTMAB的吸附偏好性远大于对钙离子吸附偏好性的特征。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。