水的最低深度 的英文怎麼說
中文拼音 [shuǐdezuìdīshēndù]
水的最低深度
英文
minimum depth of water- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 的 : 4次方是 The fourth power of 2 is direction
- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 深 : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 深度 : 1. (深淺程度) degree of depth; depth 2. (觸及事物本質的程度) profundity; depth
-
This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows : ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system
在介紹國內外最新研究進展的基礎上,重點討論高放廢物地質處置的若干關鍵科學問題:處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下(中(高)溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等)深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。Results showed : ( 1 ) if the proportion of water in the soil is lower than wilting coefficient, and if irrigating water is very little, ( irrigating water is spreading horizontally and vertically ) the relationship between the horizontal width ( x ) and the ? rtical depth ( y ) is remarkable. the equation is y - 0. 02 12x2 + l. 8546x - 17. 88. the related coefficient is r = 0. 9350
結果表明: ( 1 )在土壤含水量低於萎蔫系數的乾燥條件下,進行微量穴滴灌,滴灌點土壤濕潤面直徑x與最大垂直面滲透深度y呈顯著相關,數學模型為: y = - 0 . 0212x ~ 2 + 1 . 8546x - 17 . 88 ,相關系數r = 0 . 9350 ( 2 )在微量補水灌溉情況下,只有灌水量大於4000ml /穴,才能使滴灌水滲透到20cm以下土層,達到作物根系集中層,否則水分很難被作物吸收,造成滴灌水的浪費。Longgang nature reserve plays an important role in preserving two langur species of both white - headed langur and francois langur. interview and field survey methods were used to survey the distribution and population size of these two langurs in this natural reserve from december 2001 to january 2002. the result indicated that the reserve has 8 groups of white - headed langur with 68 individuals in longrui and 10 groups of francois langur with 75 individuals in longgang. the distribution area and population size of both of the two langurs in this reserve have greatly declined in the past decades. they are seriously threatened and have high risk of disappearance from this reserve if no effective measures are to be taken at once
為了確定弄崗自然保護區內白頭葉猴的種群數量,彌補黑葉猴種群數量的空白,掌握此保護區葉猴的生存現狀,採用訪問法和實地數量統計法相結合的方法對弄崗自然保護區的弄崗、隴瑞和弄呼3個部分進行深入的調查研究.調查結果表明,在隴瑞片范圍內,共有8群白頭葉猴,種群大小在68隻左右,和20世紀80年代末的244隻相比,數量下降相當驚人;在弄崗片內,共記錄到黑葉猴群10群,最大的種群為11隻個體,最小的種群是4隻個體,共計約有75隻黑葉猴(絕對數量統計) ;弄呼的黑葉猴種群已經于上個世紀的晚期消失.造成目前狀況的因素主要是過度狩獵和其他形式的過度干擾.弄崗自然保護區的葉猴種群數量已經接近可持續繁殖種群的最低水平,如不採取有效的保護措施,這個種群將很可能在短期內消失For wet - pit installations, it is recommended that the low water level elevation be specified to meet or exceed the minimum submergence to prevent vortexing
對于濕井設備安裝,建議所確定的低水位高度應該達到或超過預防渦流的最小潛水深度。Compared to the single hg2 + treated, se4 + + hg2 + the mixed exposure could restrain the fall of the activity of t ? aoc, sod and gsh ? px, reducing the level of lipid peroxidation, and alleviating membrane damage, represented with the heighten na + - k + - atpase activity and reduced mda concentration, resulting in the increased resistance to hg2 + damage. however, se4 + were incapable of preventing from the damage of hg2 + ultimately, along with the exposure period, regardless of the fact that the obvious enhancement of t - aoc and atpase activity
混合處理后,與單一汞處理相比, se ~ ( 4 + )在一定程度上能有效抑制汞脅迫引起的t ? aoc , sod , gsh ? px的降低,降低膜脂質過氧化水平,減輕了對膜的硒對汞致劍尾魚抗氧化系統的毒害和生理損傷的拮抗作用損傷,表現為隨一k + / atpase活力升高,而mda含量降低,提高了機體對hg葉毒害的抗性;但隨著染毒時間延長,硒不能最終阻止毒害的加深。By reducing the permeability of soil at the bottom of pit and selecting optimal dewatering depth, the settlement of ground surface can be well controlled
採用降低坑底土層滲透性的措施和選擇最佳的降水深度能有效地控制坑外地表的沉降。Through an example of dewatering engineering at international stock exchange hotel in wuhan, calculating with program, and ensuring foundation pit draw down, the optimum unit value of depth of filter tube and stop water heavy curtain to make water drawdown minimum was got, and put forward a sort of method of thinking in optimizing design of foundation pit dewatering
通過國際證券大廈降水工程實例,利用程序進行計算,在保證基坑降深的前提下,找出水頭降最低的止水帷幕的深度和濾水管長度的最佳組合值,為深基坑降水優化設計提供了一種思路。During the deep - hole blasting for the excavation of guishan quarry for construction of baoquan pumped storage hydropower station, the blasting powder factor and the charging concentration of the blasting powder in the rock are reasonably controlled, and then the rate of blasting chunk is greatly decreased with the reduction of the working amount of the boulder blasting afterwards in conjunction with the suitable excavator and crusher etc
摘要在寶泉抽水蓄能電站工程龜山料場開挖的深孔爆破中,合理控制了爆破單位耗藥量和炸藥在巖石中的集中度,最大限度地降低了大塊率,並結合使用適宜的開挖及破碎機械等措施,從而減少了二次爆破工作量。It is proved that the error caused by mixing water - land information on boundary may be eliminated by choosing the research waters within the water boundary under designed lowest navigable stage, and the precision of remote water - depth of river may be enhanced
研究表明,用最低通航設計水位時的水域邊界裁取研究水域,可消除邊界點因水陸信息混合產生的誤差,提高遙感水深精度。It has analyzed and studied systemically the propelling, prompting and decision - making mechanism in the construction enterprises. by utilizing modern marketing and management theory, this thesis has studied thoroughly the association tactics in the market of modern construction enterprise and placed great energy on elucidating the strategy of marketing from the prospect of marketing and construction enterprise future development. it has analyzed reciprocal effecting character and defined the relationship between marketing and technical innovation, therefore deduce the conclusions of the marketing action to lower the risk of technical innovation and the countermove to improve the technical innovation as well as marketing in the construction companies, hence it shows the inspiration and references for the forming of construction enterprises " core competition
本論文在廣泛地借鑒技術創新和市場營銷最新理論研究成果的基礎上,從建築企業可持續發展戰略高度出發,研究了建築企業技術創新機制,對建築企業技術創新的動力機制、激勵機制、決策機制進行了系統分析和研究;運用現代營銷管理理論,從市場營銷與建築企業發展的視角,深入研究了建築企業市場營銷組合策略,重點論述了建築企業市場營銷戰略;分析了建築企業技術創新與市場營銷的互動特性,明確了建築企業技術創新與市場營銷的相互關系,提出了降低技術創新市場風險的營銷措施以及完善建築企業技術創新與市場營銷的對策,從而為提高建築企業技術創新能力和營銷管理水平,形成建築企業的核心競爭力提供了借鑒和啟示。They decrease soil bulk density, increase soil porosity and soil saturated water content. the result of straw mulch is best, plastic mulch is better. the movement of soil water in gneiss area of tai - hang mountain has following regulation
其中以秸稈覆蓋的效果最好,其次為地膜覆蓋;太行山片麻巖區土壤水分運動有如下規律,土壤含水量隨土壤深度的增加而逐漸降低。2. according to the weighted average, soil co2 concentration is 0. 58 - 13. 29 times of that in atmosphere and is relatively lower than similar research, meanwhile, soil co2 concentration in profile varied irregularly, which possibly is due to the chemical and physical characteristic of loess soils, season change and arid climate etc. the variation of soil co2 concentration in profile is mainly controlled by soil temperature and soil moisture, in contrast with soil temperature, the control role of soil moisture is minor. in conclusion, in order to have a good command of the distribution and change rule of soil profile co2 concentration as well as its effect factors, multi - point and successive location experiment should be made, meanwhile establish indoor soil - pillar monitoring experiment
土壤co _ 2的濃度約為大氣co _ 2濃度的0 . 58 ? 13 . 29倍與同類研究相比要低,這是與黃土的土質特性,觀測期又逢特別乾旱年制約了土壤微生物的活動,再加上土壤中有機質虧損,養分不足造成的;土壤co _ 2含量的變化是隨溫度的升高而升高,在夏季達最高值,冬季最低;在土壤co _ 2濃度變化的影響因子溫度和水分中,溫度的影響作用高於水分;土壤剖面co _ 2濃度隨著深度增加,總的變化趨勢是遞增的,但也有反復,甚至有的順剖面而下幾乎保持一恆值,這與季節變化和黃土自身結構的通透性以及在觀測期內的乾旱氣候等條件有關。2 ) the analyse of the structure of mei - yu low and the elationship between the low and rainfall three lows moved along the mei - yu front towards the northeast during mei - yu period in 1999, which produced three intensive rainfall periods along the yangtze river : ill the station of huangshan, the most heavy rainfall center, totally had 850mm rain during 11 days. the reason for the heavy rainfall was the sustaining moisture supply from the south, and the deep moist layer and the high relative humidity in the south - east quadrant
2 )梅雨鋒低渦的結構及其與降水關系分析1999年在梅雨鋒上有三個梅雨鋒低渦相繼在其上產生,冰箱東北方向移動,分別對應著長江中下游的三次強降水過程:最大降水中心黃山11天累計降水量達到850mm ,為梅雨期間平均降水量的150以上。低渦之所以產生這么大的降水和降水強度是因為低渦在移動過程中不斷有水汽輸入和補充,在其東南象限對流層中低層維持了深厚的濕層和很高的相對濕度。分享友人