金屬氮化物 的英文怎麼說

中文拼音 [jīnzhǔdànhuàwù]
金屬氮化物 英文
metal nitride
  • 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...
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 金屬 : metal
  1. It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish

    它可以直接使大片森林死亡，農作物枯萎；也會抑制土壤中有機物的分解和氮的固定，淋洗與土壤粒子結合的鈣、鎂、鉀等營養元素，使土壤貧瘠化；還可使湖泊、河流酸化，並溶解土壤和水體底泥中的重金屬進入水中，毒害魚類；加速建築物和文物古跡的腐蝕和風化過程；可能危及人體健康。
  2. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  3. One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation

    濕地具有過濾污染物的功能，當河水挾帶著污染物流經濕地時，濕地上的水生植物，會使水流速度減緩，吸附重金屬，且讓污染物沈澱在濕地的底部，並藉著植物留存氮和磷，來預防水質優氧化。
  4. Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of iron content - kalium thiocyanate, 1, 10 - phenanthroline spectrophotometric method

    稀土金屬及其氧化物中非稀土雜質化學分析方法鐵量的測定硫氰酸鉀1 ， 10 -二氮雜菲分光光度法
  5. An improvement on the properties of cold punch by cr - based metal nitride hard coating

    基金屬氮化物塗層改善冷沖模性能的研究
  6. Based on the nickel electrodeposition process, the nickel electrodeposition mechanism, the electrochemical nucleation of nickel on vitreous carbon, the redox process of black nickel formed on anode, the nitrogen evolution on anode and electrocatalytic activity for nitrogen evolution of ti based iro2 anodes were investigated systematically

    本文在前期工藝研究的基礎上著重對氨絡合物體系電積金屬鎳的反應機理、鎳在玻璃碳上的電化學成核機理、陽極黑鎳的形成機理、陽極析氮過程及ti基iro _ 2塗層陽極對析氮的電催化活性進行了系統研究。
  7. Soil microbial biomass carbon, microbial biomass nitrogen, soil basal respiration and metabolic quotient all showed a decreasing trend under more than 15 mg. kg - 1 cadmium or more than 200 mg. kg - 1 lead, respectively. soil dehydrogenase, urease and acid phosphotase activities have a significant decrease, and the activities of soil catalase and invertase taking sencond place, while soil protease activities showed stable state

    隨重金屬濃度增加，各指標下降幅度各有差別，其中微生物生物量碳、微生物生物量氮以及基礎呼吸和微生物代謝商隨重金屬濃度增加而明顯下降；土壤脫氫酶、脲酶、酸性磷酸酶活性的下降幅度較為明顯，過氧化氫酶、蔗糖酶活性次之，蛋白酶活性較為穩定。
  8. ( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig

    門）士地利用變化及其效應的可持續評價表明，曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力，局部地下水硝態氮和重金屬含量超標，對區域的種植結構調整。
  9. After hydrotreating heavy feedstock, sulfur compounds, nitrogen compounds and metals contaminants can be removed and good rfcc feedstock can be obtained simultaneously a small amount diesel and naphtha are produced by creaking heavy oil

    對重質原料進行加氫處理后，可以脫除其中的含硫、含氮化合物及金屬雜質，為重油催化裂化裝置提供優質的原料，同時可將重質油裂化生產少量的柴油和石腦油餾分。
  10. 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 。
  11. Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides determination of oxygen and nitrogen content impulse - infrared and impulse - thermal conductance absorption method

    稀土金屬及其氧化物中非稀土雜質化學分析方法氧氮量的測定脈沖-紅外吸收法脈沖-熱導法
  12. Strengthening mechanism of ion nitriding is different from surface quenching and cementation, which makes surface strengthen by quenching to get martensite. ionic nitriding is the way to make materials strengthe n, which result from the steady compound formed on the surface of the metal. there is no need for quenching after treatment

    離子滲氮的強化機理不同於表面淬火，滲碳等表面熱處理方法，這些方法必須進行淬火得到馬氏體使表面強化，而離子滲氮是在金屬表面形成穩定化合物而使材料強化，處理后不須淬火。
  13. Conclusion : tialn film coating may have a good potential to increase the biocompatibility of base metal alloy substrate

    結論：氮化鋁鈦薄膜具有良好且可增加卑金屬合金基材表面生物相容性的潛能。
  14. The research field of this thesis belongs to heat treatment in metal materials. ionic nitriding is a universal applied technique, which involves lots of marginal subjects such as discharge physics, vacuum, chemistry, electronics and materials science

    該課題屬于金屬材料熱處理領域，離子氮化是一門綜合性的應用技術，涉及到了放電物理、真空、化學、電子學、材料科學等多門邊緣學科。
  15. The gas sources that we used are trimethylgallium ( tmg ) and 99. 9999 % purity nitrogen, which were fed into reaction chamber and resonance cavity respectively. the highly dense ecr plasma up to 1011cm - 3 was created in the resonance cavity and introduced to the next reaction chamber by the force of divergent magnetic field. consequently, gan thin film was grew on the substrate sapphire ( 0001 ) placed in the downstream

    實驗採用有機金屬三甲基鎵氣源（ tmg ）和99 . 9999純度的氮氣，在ecr - pecvd150裝置共振腔內電子迴旋共振吸收微波能量產生的高密度ecr等離子體在磁場梯度和等離子體密度梯度的作用下向下級反應室擴散，在放置於下游區樣品臺上的- al _ 2o _ 3襯底表面附近發生物理化學反應沉積成gan薄膜。
  16. Cubic boron nitride ( c - bn ) thin films have significant and potential technological application prospect in cutting tools, electronic and optical devices, etc. because c - bn possesses excellent physical and chemical properties, such as ultrahigh hardness only inferior to diamond, inertness against oxidation at high temperature, uneasy reaction with iron group metal, as well as the possibility of using as n - and p - type doped semiconductors

    立方氮化硼（ c - bn ）具有優異的物理化學性質，如僅次於金剛石的硬度、高溫下強的抗氧化能力、不易與鐵族金屬反應、可n型摻雜也可p型摻雜成為半導體等，立方氮化硼（ c - bn ）薄膜在切削刀具、電子和光學器件等方面有著潛在的重要應用前景。
  17. Cubic boron nitride ( cbn ) thin films have significant and potential technological application prospect in cutting tools, electronic and optical devices, etc., because cbn possesses excellent physical and chemical properties, such as ultrahigh hardness only inferior to diamond, inertness against oxidation at high temperature, uneasy reaction with iron group metal, as well as the possibility of using as n - and p - type doped semiconductors

    立方氮化硼（ cbn ）具有優異的物理化學性質，如僅次於金剛石的硬度、高溫下強的抗氧化能力、不易與鐵族金屬反應、可n型摻雜也可p型摻雜成為半導體等，立方氮化硼（ cbn ）薄膜在切削刀具、電子和光學器件等方面有著潛在的重要應用前景。
  18. The ntu " khpi " scientific schools are known beyond the boundaries of the country primarily thanks to such scientific chairs as metals physics, high technologies of metal working, electric drive, internal combustion engines, tank - building, ceramics and composites, synthesis of nitric acid, oil fuel, electric chemistry, space apparatus control systems, industrial and medical electronics, information equipment, control systems and so on

    哈爾科夫工業大學享有較高的國際聲譽，主要是由於其在金屬物理學研究，金屬處理，電力驅動，內燃機，坦克製造，制陶和復合材料，氮酸合成，燃油，電化學，空間裝置控制系統等高新技術方面。
  19. Transition metal nitrides / carbides are sorted as interstitial compounds and known as " platinum - like metal " owing to their similar surface and catalytic properties to those of noble metals platinum and rhodium

    摘要介紹了過渡金屬氮化物碳化物獨特的晶體結構和電子性能及其與催化性能的內在聯系。
  20. The unique crystalline structures and electronic properties of metal nitrides / carbides catalysts, their inherent relation with the catalytic properties, mechanisms for the catalytic hydrogenation over metal nitrides / carbides and their application in hydrodesulfurization ( hds ), hydrodenitrogenation ( hdn ) and other hydrogen - involving reactions were reviewed

    與傳統的過渡金屬硫化物催化劑相比，過渡金屬氮化物/碳化物具有更加優異的氫吸附、活化和轉移能力。
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