污灌 的英文怎麼說
中文拼音 [wūguàn]
污灌
英文
sewage farming-
Taking the irrigation with reclaimed water of dawukou forest park in ningxia as an example, through the indoor test of one - dimensional dust columniation, the regular patten of pollutant shift in soil when irrigated with reclaimed water at different infiltration condition was studied
摘要以寧夏回族自治區大武口市森林公園利用再生水灌溉為例,通過室內一維土柱試驗模擬土壤的入滲過程,研究了不同灌溉入滲條件下污染物在土壤中的運移規律,結果表明:土壤的吸附作用是影響該地區土壤污染物遷移的主要因素。The soil self - purification, the influencing and determinate factors of the soil environmental capacity, and its application in controlling the area gross pollutants, constituting the soil - environmental quality standards, the irrigation water quality standards and the contaminative mud standards in farmland were discussed
論述土壤自凈作用,土壤環境容量影響和確定因素,土壤環境容量在區域污染物的總量控制、土壤環境質量的標準的制定、農田灌溉水質標準、污泥農田施用標準等方面的應用。That fast - growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river
在沙漠利用污水灌溉速生林,可固定沙丘,改良土壤;改善生態環境,實現污水零排放。Collecting a large number of atmosphere, soil and irrigation water, using the method of monomial and composite pollution exponent, the general situation of grain early warning is studied and a grain early warning system is built
本文從糧食生產過程中的大氣、土壤及農田灌溉水出發,運用單項污染指數與綜合污染指數相結合的評價方法進行糧食生產的預警研究,構建了糧食本底安全預警系統。The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before
土壤鹽漬化是影響農業生產和生態環境的嚴重問題,隨著工業污染加劇,灌溉用水的質量不斷下降和化肥使用不當等原因,次生鹽堿化土壤面積有不斷加劇的趨勢,給農業生產造成重大損失;黃矮病毒病是小麥等禾本科植物的重要病害之一,其傳毒介體蚜蟲更使植物產量損失巨大。Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less
其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成孔困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,壓入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成孔工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。Reuben j s son must have swallowed a good bellyful of that sewage
呂便傑的兒子想必就曾灌進一肚子那樣的污水。The litter - resistance slowly closing butterfly check valve is developed a newest product based on our butterfly check valve, hydra - matic transmission to be add in the valve with unique design, new stuction and optimum performance, can be used pipeline of water supply and dring with such media : fresh water, sea water, sewage, raw water, ect. the valve should be installed at outlet of the water pump, in stapping the pump, the process of slowly closing after valve plate shuts rapidly. can be guard effectively against the destruction water hummer, so to ensure the safe operation of the pipline
微阻緩閉蝶式止回閥是在我廠生產的蝶式雙瓣止回閥的基礎上利用能量轉換原理增設油壓緩閉裝置的新型模式止回閥,設計獨特,結構新穎,性能優宜,適用於凈水,源水,污水,海水等介質的供、排水管路中,安裝於水泵出口端,停泵時由於油壓阻尼作用法盤先速閉后緩閉,以消除破壞性水錘,保證灌路安全運行。China possesses of 22 percent of world population, but it only enjoys 6 percent of world water resource. there are above 400 cities shorting water in 668 cities of china. in order to satisfy increasing demand to water supply, some city blindly overexploits groundwater, which results in regional water level descending and induces ground sedimentation and crack geologic disaster
中國擁有世界22的人口卻只享有世界6的水資源,全國668個城市中,有400多個缺水,為了滿足日益增長的供水需求,一些城市盲目超采地下水,導致水位下降、地面下沉、海水倒灌,進而污染了地下水。On the day they tested the machine, the temperature refused to budge, and the men took turns standing on the stepladder and dumping buckets of boiling water over the gas canisters
白天他們在測試設備,可溫度沒有變化,工人輪流站在活梯上將一桶桶污水倒在天然汽灌上。An experiment has been conducted for investigating the rule of water consumption with three species of turfgrasses : kentucky bluegrass ( poa pratensis ), perennial ryegrass ( lolium perenne ), and tall fescue ( festuca arundinacea ) ; two kinds of irrigation water resources : tap water and sewage effluent ; and two kinds of irrigation methods : subsurface dripping irrigation and subsurface leaky pipe irrigation
本研究以三種典型的冷季型草坪草草地早熟禾、多年生黑麥草、高羊茅為供試草種,以自來水和經過砂過濾和沉澱處理的城市居民社區的生活污水為灌溉水源,採用地下滴灌和滲灌兩種灌水方法,通過田間對比試驗,探討了污水灌溉條件下草坪草的耗水規律。At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination
採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究,選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價,選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價,強調了生態條件及其環境污染狀況在農用地分等定級中的作用。Standard practice for sealing sewer manholes using chemical grouting
用化學灌漿密封污水道檢查孔的標準規程The foreground of multi - source utilization of rain water and flood, recharge and replenishment, water reuse, and the method of operation and scheduling rule of groundwater reservoir were established
預測分析了濟寧市未來時期雨水洪水利用、回灌補源、污水處理利用等多水源開發的前景,並對濟寧市地下水庫的調度運用進行了規劃。Effect of em application in wastewater irrigation on yield of cabbage and soil fertility
用於污水灌溉對小白菜產量和土壤肥力的影響Based on the investigation and research in shijiazhuang, the losses of wastewater irrigation are estimated
以石家莊市污灌區的調研為基礎,對污水灌溉造成的經濟損失進行了估算。At the same time, production quality, and soil environmental quality are monitored and evaluated
對污灌后的農產品品質以及土壤環境質量進行了監測和預測評價分析。Effect of stress from sewage irrigation on antioxidant enzymes activity and root and seedling growth of spring wheat
污灌脅迫對春小麥抗氧化酶活性及根系與幼苗生長的影響The results show that the economic losses from the wastewater irrigation amount to about 57 % of agricultural crops, and the losses from the pollution effects on the public health amount to about 62 % of the total losses
結果表明:污灌帶來的經濟損失占當地農作物收成的57 % ,對人體健康影響的經濟損失占總經濟損失的62 % 。Pollution characteristics of n - alkane in groundwater of typical wastewater irrigation areas around shenyang city
沈陽周邊典型污灌區地下水中直鏈烷烴污染特徵研究分享友人