Under soil water stress conditions, the photosynthesis rate, water useefficiency and light compensation point of Atriplex canescens obviouslyreduced, and its dark respiration rate weakened. In the treatments in July, theaccumulative and average value of daily Pn from high to low is: light soil water stress＞no soil water stress＞medium soil water stress＞heavy soil water stress, the valueare 7.162μmolm~(-2)s~(-1)6080新觉伦午夜理论无码、6.106μmolm~(-2)s~(-1)日韩中文欧美在线、6.103μmolm~(-2)s~(-1) and 1.761μmolm~(-2)s~(-1), respectively. In the treatments in August, the accumulative and average value ofdaily Pn from high to low is: light soil water stress＞medium soil water stress＞heavy soil water stress＞no soil water stress, the value are 7.378μmolm~(-2)s~(-1)国产精品专区第102页、4.738μmolm~(-2)s~(-1)yw193.cim、1.794μmolm~(-2)s~(-1) and 1.705μmolm~(-2)s~(-1), respectively.

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Results show 1 the total water requirement of the crops in the Jinghe Watershed is 740543.20×10^4 m^3, accounting for 41.58% of the total water requirement of the region; 2 of the two major groups of crops, grain crops are higher than cash crops in water requirement quotas; and among specific crops, vegetables, melons, rice and cotton are higher and sunflower, potato and benne are lower than other crops; 3 water requirement per hectare varies from county to county with the highest being 5682m^3hm^(-2), in Jingyang County, and the lowest 4022 m^3hm^(-2) in Dingbian County, averaged to 4 583 m^3hm^(-2), but the water requirement quota of a crop does not vary with the county, so calculation of water requirement quota of a county is closely related to its cropping structure; and 4 because of serious waste of water in farming, the actual water consumption in agriculture in the region is much higher than the calculated crop water requirement.

結(jié)果表明男女猛烈无遮掩视频，涇河流域農(nóng)作物需水量總計(jì)740543.20萬立方公尺我想看农村妇女一级毛片，農(nóng)作物需水占總需水量的比例較高，為41.58%国产一级黄色网站免费观看。糧食作物需水定額較經(jīng)濟(jì)作物高美女18禁止黄的网站；就具體作物而言，菜AV乱网站、瓜類一块操最新网址在线观看、水稻、棉花等需水定額較高在线观看国产精品国产，向日葵国产高清自拍高清、薯類、胡麻等較低99热这里精品5。各縣單位面積需水量差異較大你懂的在线观看视频网站，平均值為4583立方公尺h(yuǎn)m^(-2)；涇陽縣最高美日黄色视频一区二区，為5682立方公尺h(yuǎn)m^(-2)AV免费网站天堂网，定邊縣最低，為4022立方公尺h(yuǎn)m^(-2)永久免费啪啪网站免费看美国。由于事先設(shè)定大多數(shù)作物的需水定額不隨縣的改變而改變美女作爱视频免费看，因此需水量與作物結(jié)構(gòu)密切相關(guān)。農(nóng)業(yè)用水浪費(fèi)嚴(yán)重久久无码免费的A毛片大全，使涇河流域農(nóng)作物實(shí)際用水量遠(yuǎn)高于需水量的理論計(jì)算值国产特黄特色AA片一级真人视频。

Thoroughly analyzing various theories of water right,this paper considers that the water right should be composed of water resources right and water product right and water—drawing right in the exploitage and utilization of water,and water—drawing right is the prerequisite of the transform from recourses water to product water.

本文在全面分析各個(gè)學(xué)派觀點(diǎn)的基礎(chǔ)上進(jìn)行了水權(quán)概念及體系的重構(gòu)，認(rèn)為水權(quán)作為在開發(fā)在线观看所有免费AV网站、利用水過程中產(chǎn)生的對(duì)水的權(quán)利99热这里只有在线观看精品9，包括水物權(quán)和取水權(quán)兩部分。

The Activated Ploy-oxygen Aerator adopts magnetic engineering technology to send the oxygen of air which is gathered and activated by polyoxier to the mixing chamber of main engine under water, and the process of water and oxygen synthesization is finished rapidly by the use of magnetizer and activated oxygen enriched air under water, which has been cut into tiny air bubbles by the high-speed rotated propeller of the mixing chamber in the process of water and oxygen synthesization, which can increase the affinity of water and oxygen. When flow rate of water is more than the buoyancy force of the tiny air bubbles, it is difficult for the tiny air bubbles to float on water in short time and the tiny air bubbles can stay in water for longer time, which can increase the efficiency of water dissolving oxygen and make the power efficiency of the machine is greater than traditional aerator obviously.

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The paper is based on the theory of inter-function between water and rock, and losing energy in rock mass, brought forward that the water flow has head loss during water flow intruding through the coal seam effective water-resisting layer and energy waste concept for splitting rock mass, and analyzed the form of the remaining water pressure. Through the simulation experiment in the preventing water capability of water-resisting rocks in the coal seam scaleboard, studied the law, character of the losing in water head waste and the relation to pressure, water-resisting of hydrogeology and engineering geology character. Brought forward the new method of calculating the water inrush coefficient.

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Based on the management principle and objective of Jiangsu SNWDP, the thesis establishes its management framework and designs three management patterns and four modes. Through analyzing the anticipative management effect, scopes in point, advantages and disadvantages of each modes seriatim, the thesis confirms the recommended pattern. It makes framework refinement design, defines rights and duties of control level, execution level and participation level for the recommended pattern. According to the principles of planned water use, metered water use, contract water use, toll water use, it studies project operation for recommended pattern from four aspects, namely water supply plan, measure intensified, water supply contract, and water rate enacted. The thesis analyses and studies how to ensure water supply quality of Jiangsu SNWDP from three levels, including doing watershed protection, intensifying intermediate process, and establishing a long-term mechanism. It makes brief design for dispatching management applied system, studies emphases parts which may affect operation of the pattern in practice, also analyses dispatching optimization of Provincial boundary project management, pumping station management, and different water resources. Finally, the thesis studies relevant basal supports and development stratagems for the management of Jiangsu SNWDP.

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Iii. Process Water cont'd Type 3 Water - Purified Water (e.g., USP Purified Water), in Europe the EMEA refers to this a Highly Purified Water - Most difficult to control microbial levels, because no preservative chlorine is present in the water -Less expensive to produce than Water for Injection Type 4 Water - The most critical quality level -Commonly used in final formulation for parenteral applications -Must satisfy the Water for Injection specification as laid out in compendia such as the USP iii.

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Third, the industry water treatment project, the softened water treatment project, leaves the water project, the hyperpure water conservancy project regulation, the high pure water project, the sea water to discuss the engineering facilities, the electronics industry water used, the food industry water used, the hospital drugs manufacture process water, the galvanization process water and so on.

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Applied with test of potted plant and measurement absorbency for study physiological response of activity of cell defense enzymes and lipid peroxidation of slash pine's half-sib under water stress. There are 7 families comparison with general slash pine. The contents of superoxide dismutase, catalase, antioxidant, malondialdehyde and the rate of superoxide anion(-O2) generating are mensurated under normal water condition while soil water content is 70% and light water stress while soil water content is 55% to 60% and medium water stress while soil water content is 35% to 40% and heavy water stress while soil water content is 20% to 25%. The test result indicate that either water grads or families of contents of SOD,CAT,AsA,MDA are mighty notable difference. The rate of -O2 generating is notable difference within families. The rate of -O2 generating is mighty notable difference within water grades.

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