金屬流長度 的英文怎麼說

中文拼音 [jīnzhǔliúzhǎngdù]
金屬流長度 英文
metal stream length
  • 金 : Ⅰ名詞1 （金屬） metals 2 （錢） money 3 （古時金屬制的打擊樂器） ancient metal percussion instrum...
  • 屬 : 屬名詞1 （類別） category 2 [生物學] （生物分類系統上所用的等級之一） genus 3 （家屬; 親屬） fami...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 金屬 : metal
  • 長度 : length; longitude; size; extent; footage
  1. As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir

    本文調查了千島湖流域的自然資源和農業生產情況，研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律，利用annagnps模型估算流域農業非點源污染物輸入負荷，並在千島湖內設點采樣，對水質理化指標和浮游植物群落進行系統的研究，得出以下結論： 1989 2001年間的水環境常規監測資料統計分析表明，有毒物質和重金屬濃度長期在監測下限內， no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合類標準，但湖泊水庫特定項目tn和tp濃度分別為超類和類，呈嚴重超標狀況，湖區主要污染因子是將導致富營養化的物質tn和tp 。
  2. The paper analyses the transportation flows of main five kinds of cargoes in coast and inland water systems. the distributing characteristic of sources influences the transportation flows of cargoes in deeply degree, so firstly, the paper introduces the sources distributing characteristic of coal, mineral building material, petroleum, metalores and nonmetal ores

    資源的分佈特徵在很大程度上決定著我國大宗貨物的運輸流向，論文論述了煤炭、金屬礦石資源在我國的分佈狀況以及石油工業的基本布局，分析了煤炭、石油、金屬礦石和礦建材料以及非金屬礦石等大宗貨物在沿海、珠江水系和長江水系運輸的主要流向。
  3. With the development of high power microwave tube, the theoretical and experiment investigation of the high performance cathode have been conducted. the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission, the measurement of the inner and surface fine structures of the cathode, the discussion of emission mechanism of thermionic cathode. after a lot of experiment, we finally determined the cathode preparation with an excellent emission

    為了適應大功率微波管的發展，本文展開了對高性能（大電流密度、長壽命）陰極的研究，研究工作包括陰極制備工藝、鋇鎢陰極基金屬對陰極發射性能影響、以及鋇鎢陰極基底內部結構無損檢測及表面形貌檢測、鋇鎢陰極發射機理探討及應用四個方面的實驗和理論的研究。
  4. Particular wires, can be used for long time under the condition of - 65 200 anti strong acid and alkali, durable usage range : be used with intercoms and access control systems. can be installed onto wooden door, metal door, glass door, fireproof door function : working voltage : 12vdc working current : 0. 53a working condition : 40 50 holding force : 280kgs working mode : cut off power to open when the door is being locked, the led turn green, and when the door is open, the led turn red. with network signal output insulated test : dc500v absolutely insulated in 1 minute dimension of the magnet board : 80x24x3mm dimension : 230x40x25mm weight : 1780g

    Jdy - 280埋入式磁力鎖產品特性:安裝方便噪音低壽命長吸力強無剩磁特製導線，可長期使用在65200溫度范圍內，抗強酸堿和有機溶劑，耐老化適用於90開門適用范圍：可與樓宇對講門禁系統配套使用適用門型：木門金屬門玻璃門防火門電氣性能：工作電壓： 12vdc工作電流： 0 . 53a工作環境： 40 50工作方式：斷電開鎖絕緣電阻測試： dc500v 1分鐘無擊穿鐵板尺寸： 184 x 36 x 11mm外形尺寸： 230 x 40 x 25mm重量： 1780g
  5. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高質量的氧化鋅薄膜，我們採用金屬有機源和二氧化碳氣源，首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高質量的氧化鋅薄膜，系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響，確定了生長高質量氧化鋅薄膜的優化條件；為獲得p - zno材料，克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難，我們通過熱氧化zn3n2的方法制備了p - zno ，獲得了一系列研究結果： 1 、詳細研究了氣體流速比，襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。
  6. The transfer of the carrier in photoconductor is anisotropy owing to the column structure of the film is anisotropy. on the basis of the new concept suggested in this paper, the maximum diffusion length in the lateral direction of the photo - carrier in the photoconductor ( which is related to the resolution of lclv directly ) as function of conductivities of both in lateral and normal directions in the film can be obtained as the expression as following. the nc - si / a - si : h photoconductor of lclv deposited and crystallized at low temperature of exactly 250 c stack column structure by al inducing a - si : h

    本文根據柱狀結構存在各向異性的特點，並根據半導體物理知識，推出光導層光生載流子橫向最大擴散長度（該擴散長度與液晶光閥光導層解析度直接相關）與薄膜橫向和縱向電導率關系的表達式為：由於a - si ： h在al金屬的誘導作用下在不高於250的溫度下即開始晶化，本文對用金屬al誘導非晶硅晶化制備的nc - si a - si ： h薄膜進行研究。
  7. This article discusses the metal filter core regeneration of the hydroxylamine catalyst filter from various aspects such as filtering precision, fluid infiltration function, filtering efficiency, filtering mechanism, by link up with the hpo process of caprolactam production, and provides a generalized regeneration approach

    摘要主要從過濾精度、流體透過性能、過濾效率、過濾機理等方面結合hpo法生產己內酰胺工藝羥胺反應過濾器金屬芯的再生問題，通過對金屬燒結濾芯一般特性的過濾性能的分析，結合實驗數據，提供了一種綜合性再生方法，該方法處長了濾芯的使用周期，滿足了生產高負荷生產要求，再生效果較好。
  8. Stainless steel has in recent years been used increasingly in jewelry. the benefits include a high resistance to corrosion which prevents rust, a resistance to high temperatures, long term durability and a bright, easily maintained surface providing for a modern and attractive appearance

    不銹鋼飾品在近年逐漸流行，它抗腐蝕耐高溫硬度高，表面不會因為環境發生變化，長期佩戴都能夠保持光澤與平滑。同時不銹鋼的金屬光澤與鉑金的光澤很接近，既高貴典雅，又具有現代感。
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