鉻化合物 的英文怎麼說
中文拼音 [gèhuàgěwù]
鉻化合物
英文
chromium compound-
Carbon can promote the forming of carbide of fe3c mostly during the ma, while it seems that chromium makes amorphism easier. in addition, this paper also made a research on the milled powder forming technology, and presented some improvement methods
機械合金化過程中,碳元素可以促進以fe _ 3c為主的碳化物的析出,鉻元素使粉末更趨向于非晶態轉變,並使材料出現超順磁現象。The particles distributed hi the matrix of grey cast iron, but some contact each other. the composite layer extend gradually into the substrate. when volume fraction of wc is 36 wt % and 27 wt %, the matrix of the composite is high chromium cast iron, consist of white carbide bars and the austenite. wc particles distributed uniformly, retaining approximately quondam granular form in the composite layer which has an evident interface area with the substrate, with good bonding strength
對不同碳化鎢體積分數的灰鐵和低鉻鑄鐵基復合材料的微觀組織結構分析表明:碳化鎢體積分數為52時,復合層內基體為灰口鑄鐵組織,顆粒直接分佈在灰鐵基體上,部分碳化鎢顆粒有相互接觸的現象,基材與復合層之間沒有明顯的過渡;碳化鎢體積分數為36 、 27時,復合層內基體為高鉻鑄鐵,由面塊狀的奧氏體和白條狀碳化物組成,碳化鎢顆粒表面固溶於基體組織中,粒形基本保持完整,分佈均勻,與基體構成冶金結合,基材與復合層之間存在一個明顯的平緩過渡區。X - ray diffraction spectrum, empa methods and several tests including mechanical properties, electrochemistry, corrosion wear, on - site plate hanging, the microstructure of steel has been observed and analyzed, performance has been studied, and corrosion - abrasion, fragility mechanism, and microalloy application in ferritic stainless steel have been explored comprehensively. the test results of electrochemistry, corrosion wear and on - site plate hanging have been analyzed. the analytical result shows that crsomo has enough corrosion resistance in phosphoric acid slurry because it has high chromium and low carbon
通過實驗室的電化學試驗、腐蝕磨損試驗和磷肥廠的現場掛片試驗結果分析,表明: cr30mo鐵素體不銹鋼高鉻低碳的配合,保證其在磷酸料漿中具有足夠的耐蝕性: cr30mo中( fe , cr ) _ 23c _ 6 、 ( fe , cr ) _ 7c _ 3 、 mo _ 2c 、等碳化物硬質點從基體的彌散沉澱析出可提高鋼的硬度和耐磨性,使得鋼在磷酸料漿中具有良好的耐磨蝕效果。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。Studies on the effects of chromium complexes
鉻化合物對健康影響的研究進展This pad comes in black, salmon and our z - chromium compounds
這墊來,在黑色的,鮭魚和我們的z鉻化合物。Hexaalent chromium compounds are often used in electroplating, leather tanning, and textile manufacturing and hae been found in some drinking water sources
六價鉻化合物常用於電鍍,製革及紡織製造,還存在於一些飲用水水源中。The boundary of ferrite has been clarified and fined by adding re into crsomo. the intergranular corrosion induced by solution chromium decreasing can be restrained for nb, v, ti combing carbon in the steel. the wear resistance of stainless steel can be increased for the precipitation of microalloyed carbides
其中,稀土能夠凈化鐵索體晶界,並起到變質劑的作用,細化鐵素體晶粒,改善不銹鋼的韌性;鈮、釩、鈦能夠與鋼中的碳結合,減少固溶鉻的損失,從而避免晶間腐蝕,同時細小微合金碳化物的沉澱析出可提高不銹鋼的耐磨性。Steel for packaging - flat steel products intended for use in contact with foodstuffs, products or beverages for human and animal consumption - non alloyed electrolytic chromium chromium oxide coated steel
包裝用鋼.與人和動物消費用食品產品或飲料接觸的扁平鋼製品.非合金電解鉻氧化鉻鍍鋼Then the prospect of oxazolidines and their modified products using in leather - making especially chrome - free tanning were discussed according to the introduction of the characteristics and utilizing status of oxazolidines nowadays
介紹了惡唑烷類化合物的性質及應用現狀;討論了惡唑烷類化合物及其改性產物用於製革尤其是無鉻鞣的前景。Hydrothermal synthesis of a novel bi - capped keggin heteropoly chromovanadophosphate
型鉻釩磷雜多化合物的合成For the special physical and chemical character of aluminum, a nickel layer is deposited before electroplating. it can avoid the active surface of aluminum oxidized again or substitution reaction in the bath
由於鋁特殊的物化性質,電鍍鎳鉻合金前採用預鍍鎳的工藝,避免活化后的鋁基體表面再次被氧化或在鍍液中發生置換反應。Hydrothermal synthesis and characterization of novel bi - capped keggin heteropolychromovanadophosphate
型磷釩鉻雜多化合物的水熱合成與表徵Abstract : the microstructure of as - cast high cr injection micro - alloying martensitic cast iron and the substructure of martensite in it have been observed under sem and tem. the alloying element distribution related to phase formation, as well as the various types of branch and distortion of carbide in the martensitic cast iron have been explored by using x - ray diffraction and electron probe analysis
文摘:應用掃描電鏡和透射電鏡研究了噴射微合金化的鑄態馬氏體高鉻鑄鐵顯微組織及馬氏體的亞結構,並藉助x射線衍射與電子探針分析探討了合金元素的分佈與相形成的關系,以及碳化物的不同形式分枝與畸變。This article describes that the problem of stabile disposing heavy metal waste and the merit of disposing the heavy metal waste by chelating agent, and especially discusses the application of chelating agents in disposing heavy metal wastes from four aspects : treating in fly ash, treating in sludge, treating in chromium waste and remedying in contaminated soil
摘要論述了重金屬廢物穩定化處理存在的問題和螯合劑處理重金屬廢物的優點,著重從4個方面講述了螯合劑在焚燒飛灰、污泥、鉻渣處理以及在修復土壤污染方面的應用。分享友人