水質點速度 的英文怎麼說

中文拼音 [shuǐzhídiǎn]
水質點速度 英文
particle velocity
  • : 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...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 水質 : water quality水質保護 [環保] water quality protection; 水質標準 water standard; water quality sta...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚、有機層厚地、團聚體、分含量等) ,化學肥力退化指標(有機、全n 、全p 、全k 、堿解n 、效p和效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處和表觀相的聯合分佈等分佈函數,在此基礎上,根據運動學判據,分別建立起風浪破碎率和白浪覆蓋率的理論模式。
  3. Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material

    研究表明:電解液的配製過程中,氯化釕濃、溶液ph值、陳化時間、溶液溫對電鍍效果均有影響,其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中,理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍,並發現循環伏安掃描和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱,在此選用與釕同一族的銥作為共沉澱元素,銥的加入會阻礙氧化物的沉積,銥的比例超過50 %會使沉積作用停止,但是二元氧化物的協同作用使沉積的活性物比容量大大提高;一定溫下退火后處理作用會使合釕化物轉變成混合價態的氧化釕,從而提高活性物的穩定性。
  4. Arbuscular mycorrhiza can improve the ability of resisting drought from several aspects : hyphal enhances plants ' chances of absorbing water from soil ; it can improve plants ' phosphorus and another minerals ' nutrition, increase the content of chlorophyll ; observably enhance transpiration and stoma conduction ; reduce the flow of water, permanent languish point, stoma resistance ; change the balance of hormone, promote accumulation plant proline and capability of nitric reductive enzyme

    叢枝菌根真菌可以通過以下幾個方面增強植物抗旱性:通過菌絲增加植物對土壤分的吸收;改善植物的磷營養及其他礦元素營養;能顯著提高蒸騰率和氣孔導;乾旱條件下降低植株葉片勢、永久凋萎、葉片飽和虧、氣孔阻力和恢復時間;改變激素平衡。
  5. The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower

    摘要介紹了氣液液三相精餾塔板傳性能研究的進展情況,討論了氣、液氣比等操作條件,表面張力、界面張力、液體的粘或分散粘、密和相對揮發等物系性以及油體積比等多種參數對傳效率的影響,探討了第二液相的存在對傳的影響,文中的許多觀獲和建議對于優化精餾塔的設計具有重要的指導意義。
  6. Based on the numerical simulation method of finite element, the calculation method of particle vibration velocity, an important index reflecting the blasting vibration intensity, is discussed ; and an comparison analysis of the calculation results between two different kinds of charge structures decked with air and water is made

    基於有限元數值模擬方法的基礎上對反映爆破震動強的重要指標振動的計算方法進行了探討,並對空氣和兩種不同間隔裝藥結構下的震動強計算結果進行了對比分析。
  7. In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing

    本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上,主要做了以下幾工作:從量守恆方程和euler方程出發,以某一層處矢量作為獨立變量,推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。
  8. The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level

    文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營平。作者運用制變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從聯系方式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、量不斷提高等方面;找出了龍頭企業產品量上、開發能力上、規模實力上和行業自律上的問題和差距,提出了要面向市場,努力提高農產品的量和科技含量,多策並舉,搞活投入機制,建立公平合理的利益聯結機制,加強行業自律,提高企業經營管理平等對策和建議。
  9. This machine is flowing and continuous type drying equipment firstly made by our factory. the machine is used for drying the piece, tape and particle state materials with good ventilation. the machine is suitable for the materials, such as de - watering vegetable. herbal medicine of traditional chinese medicine and others, for which the water content rate is high and the high temperature is not allowed. the machine owns the advantage, that its drying speed is fast, the evaporation strength is high and the product quality is good. the de - watering filtering cake state paste material, after the particle making or bar making, can be dried also

    該機是穿流連續式乾燥設備,用於透氣性較好的片狀、條狀、顆粒狀物料的乾燥,對于脫蔬菜,中藥飲片等含率高,而溫不允許高的物料龍為合適;該系列乾燥機具有乾燥快,蒸發強高,產品量好的優,對脫濾餅狀的膏狀物料,需經造粒或製成棒狀后亦可乾燥。
  10. The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

    浸入式電加熱器主要用於直接對流體接觸加熱的場合,具有熱交換快,熱效率高等特,分為用加熱器、油用加熱器、氣體用加熱器,加熱元件的功率密:即電加熱元件單位發熱面積上的功率,它是電加熱元件極重要的參數,直接影響加熱器的使用性能及使用壽命,它的取值是一個非常專業的問題,受到許多因素的影響(如介的流、溫、物理和化學性及介流過加熱元件的方向等等) 。
  11. The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet. the travel path, for a typical hillslope cell. consists of a hillslope fraction, corresponding to overland flow and a stream fraction, corresponding to concentrated channeled flow. to obtain the time of travel, velocities must be defined. hillslope and stream velocities vary with location and must be strongly correlated with slope, and therefore a spatial distribution of velocities and hence of travel times could be obtained. the present methods of giuh neglect any time delays associated with overland flow pathways

    地貌單位線被看作是流域上各在弱相互作用下,到達流域出口匯流時間的頻率分佈。對於一個典型的山坡型網格單元,匯流路徑由兩部分組成,即坡地部分和河道部分,為了得到匯流時間,必須首先確定匯流。坡地和河道的匯流隨著區域位置而變,並且必然與坡有關,因此,可首先計算流的空間分佈,進而得到匯流時間的空間分佈。
  12. Wave off into shallow waters, seabed by the friction effect change steep wave front, trough ice, water points trajectory showed reciprocating flow, but also to the shore into the flow speed usually return rate greater than offshore, the net result of sediment at the bottom to the shore handling, and was the shock waves on the shore with the water current - riviera online accumulation

    外海波浪傳入近岸淺區,受到海底的摩擦作用,波鋒變陡、波谷變緩,運動軌跡呈現往復流動,而且向岸進流通常大於離岸迴流,導致底部泥沙凈向岸搬運,並被激岸浪的上沖流帶至海濱線上堆積。
  13. It is on the basis of drawing advantage of the domestic like product that dly series develop and strain the oil device greatly, a kind of one that washed fast developed washed the device new - typly and greatly, is suitable for the aircrew under 600mw mainly, having the large flow of washing, it is of high quality to wash, advantage of install and easy to operating etc., the fluid after developing can reach 5 - 8 grades nas1638 to pollute one degree of levels

    Dly系列自動反沖洗過濾裝置dly系列大沖洗濾油裝置是在吸取國內同類產品優的基礎上,研製的一種快沖洗的新型大沖洗裝置,主要適用於600mw以下汽輪發電機組,具有沖洗流量大,沖洗量好,安裝和操作方便等優,沖洗后的油液污染平可達到5 8級nas1638 。
  14. Combining with the practice of development of modern enterprise group, the paper analyzes the forms of growth of modern enterprise group, concludes the common laws of enterprise growth by the model of enterprise modularity analysis. besides, this thesis studies the effects of the equilibrium of enterprise value chain structure to its growth, proves the mechanism of economic technology matrix of enterprise value chain deciding the growth speed of modern enterprise group, puts forward the approach of modern enterprise group realizing growth from the angel of complexity, points out the intension of the mainly present enterprise growth theories, such as scope economy theory, diversification theory and globalization operating theory

    論文結合現代企業集團成長實踐,分析了現代企業集團成長的實現形式,並運用企業價值鏈結構模塊化分析模型,總結了現代企業成長的一般規律,重研究了現代企業集團集約化成長與企業價值鏈結構均衡性的內在關系,證明了企業價值鏈經濟技術矩陣平對企業成長及效益的決定機理,提出了現代企業集團實現高成長的路徑,從結構復雜性的角進一步揭示了范圍經濟理論、多角化理論、國際化經營理論等當前主要企業成長理論的本內涵。
  15. 6. the improvement of science and technology is essential to water conservancy modernization. aiming at the direction and emphasis of water conservancy technology a model with science and technology improving speed and its weight as scaling indexes is defined

    利現代化的實是科學技術的進步,本研究針對江蘇利現狀,提出了利科技發展的重及方向,建立了以科技進步、科技進步貢獻率為衡量指標的數學模型。
  16. It is the best opportunity to advance the rural land transfer when people experience the transition from the stage of dress warmly and ear fill to better off. planting some popular produces of high quality with high price can not only increase the comparative benefits of agriculture industry, but also promote the process of the land transfer. good and steady rural land system settings make a great difference in land transfer

    第五部分比較分析奉化市、海寧市兩地的農地流轉情況,得出相關結論:區域的傳統特是決定各個地區不同的流轉模式和的因素之一;政府在各個地區的農地流轉中所起的作用會有所不同,但必須以尊重農民意願為前提;人們的收入平從溫飽向小康過渡的階段是推進農地流轉的最佳時機;發展一些有需求的優、高價農產品,提高農業比較利益,可推進土地流轉進程;一個良好而穩定的農村土地制環境對農地流轉至關重要。
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