碳化了的 的英文怎麼說
中文拼音 [tànhuàlēde]
碳化了的
英文
carbonized-
Concrete protect the steel against corrasion, for it provide the alkaline condition. carbonization is a key factor that makes alkalescence of concrete decrease, the high performance concrete is applied in engineering field increasingly with its good carbonization capability
混凝土對鋼筋的保護作用是由於其提供了避免鋼筋產生銹蝕的堿性環境,而碳化作用是使混凝土堿性降低的重要因素之一。The research results show that, from the viewpoint of second phase morphologies, there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material, wrs1000 and 1zt tungsten carbide strengthening overlaying material, as well as the wear - resistant material of polymer adhesive coating etc. ), and the aggregation - type as well as dispersion - type ones ( such as zg35simn, wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism. the sand slurry abrasion mechanisms are brought forward, of new wear - resistant materials with the features of grain - type second phase morphologies
研究發現,與聚合型、彌散型第二相的材料(如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等)相比,顆粒型第二相的材料(如wc bcu釬焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化鎢顆粒增強熔敷材料及ktc ? 1耐磨膠粘塗層材料等)在耐磨性能和磨損機理等方面均有不同,總結提出了以「顆粒型第二相」為特徵的耐磨新材料泥沙磨損機理。Synthesis with carbocyclic compounds, such cyclodienylsilane, quinic acid and norbornene, etc, as starting materials is discussed in detail
重點介紹了以環二烯基硅烷、奎寧酸、降冰片烯等碳環化合物為原料合成碳環糖的進展。We have elected 29 carbon stars with sic emission feature at 11. 3um, i. e. sic carbon stars, which include visual carbon stars, infrared carbon stars and extreme carbon stars to be our working samples in this paper
本文將選取29顆富碳agb星作為研究對象,它們均有11 . 3 msic發射特徵,在本文中稱之為碳化硅碳星( sic碳星) ,它們覆蓋了光學碳星、紅外碳星和極端碳星的階段。Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation
為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度曲線中產生明顯的二次硬化現象。This thesis reports some results on the hot press sintering of nano - composite wc - co powder, which is prepared by spray pyrogenation & continuous deoxidization and carbonization process
本課題採用熱壓燒結技術對以噴霧熱解?連續還原碳化法制備的納米復合wc - co粉末進行了熱壓燒結研究。It is reported that hard alloy scrap is treated by electroosmosis and electrolysis together taking sulfuric acid as electrolyte in order to recover cobalt metal and tungsten carbide
報道了以硫酸為電解質,同時用電溶法和電滲析法處理廢硬質合金、回收金屬鈷和碳化鎢的原理和方法。This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower
本文簡略地介紹了db930的設計過程及其結構特點,重點論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施,圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管內蒸散、熱態時極間絕緣低、耐高壓的能力差等六個方面的問題進行了論述。By the adoption of a colunm with highly effective bubblecapplates and float valves and the strict control of demineralized water consumption, the total amount of dilute aqua ammonia from the three sections of earbonation, final purification and synthesis is less than the quantity of dilute aqua ammonia required for the production of ammonium bicarbonate, with zero discharge of the dilute aqua ammonia, thus not only prolecting the environment but also realizing a cestain economic benefit
通過採用高效泡罩板塔、浮閥塔,嚴格控制軟水用量,使碳化、精煉、合成3個工段所產生的稀氨水總量小於生產碳酸氫銨所需的稀氨水量,達到稀氨水的零排放,不僅保護了環境,而且取得了一定的經濟效益。The modified expoxy resins, i. e. those with plasticizers added to improve workability, were found to be incompatible with the fluoro carbon flotation fluids.
改性的環氧樹脂,即加入了可塑劑已改善操作性能的樹脂,與氟碳化合物的浮液是不相容的。The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads
本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的界面特性,並在此基礎上以不同尺寸( 42 362 m )的鑄造碳化鎢顆粒為增強體,採用真空熱壓液相燒結技術制備了不同顆粒含量( 0 45vol . )的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料;以不同粒度的sic為磨料,在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of
對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增長,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生長的碳化層的晶粒取向一致性明顯更好。Abstract : a new simulating method is established for the calcul ation of the hardness profile of high - carbon - concentration deep - carburization, on the basis of analyzing this process and taking into account the influence o f carbide solution and dissolution, carbon - concentration and temperature on the diffusion behavior, and the influence of the environment factor on carbon trans fer through the gas - solid interface
文摘:在對高濃度深層滲碳的特點進行分析的基礎上,考慮到碳化物的析出與溶解、溫度及碳濃度對擴散行為的影響,氣氛環境對相界面碳傳遞過程的影響,淬火烈度對滲碳層冷卻效果的影響,提出了一種新的模擬高濃度深層滲碳滲層硬度分佈的方法。Among the carbon hydrogen storage material, activated carbon, carbon fiber, and carbon nanotuber are introduced ; in the organic hydrogen storage material, organic liquid and metal organic are introduced
其中碳基儲氫材料主要介紹了活性炭、碳纖維、碳納米管及碳化物的衍生物;而有機物儲氫材料主要介紹了有機液體和金屬有機物。Our smokeless portable cooking stove with magic charcoal grill was developed in higashi osaka and uses a technology for making gas burn directly without passing through a conduction pipe plus a combination of a combustion catalyst and carbonized charcoal
不經過導管直接燃燒氣體的技術為主,在東京大阪開發了通過燃燒觸媒和碳化了的炭而衍生的無煙魔法炭小爐子。In this work, using elemental powders as starting reactant materials several carbide powders such as wc, sic, tic, zrc and corresponding alloys had been fabricated by ball - milling technique. x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ) and other measurement techniques had been used to monitor the structural changes of powders after some ball milling time and the properties of the cemented tungsten carbides. and the mechanism for the formation of matal carbides by ma has also been discussed
本文主要對機械合金化( ma )技術在碳化物制備中的應用進行了研究,利用高能球磨,以元素粉末為原料,制備出wc 、 sic 、 tic 、 zrc的粉體以及wc基硬質復合材料,並利用x射線衍射、掃描電鏡、透射電鏡等方法分析和研究了球磨過程粉體的變化以及燒結后硬質合金的性能,對機械合金化制備碳化物的有關機理進行了研究和探索。In this paper, micrometer and nanometer sic powder were respectively sintered as employed in powder metallurgy, nanometer porous sic was successfully prepared with its microstructure analyzed and its photoluminescence tested
本文分別以微米和納米碳化硅粉末為原料,採用粉末冶金的燒結工藝,成功的制備了納米多孔碳化硅,並分析了多孔碳化硅的結構,同時測試了其光致發光譜。Abstract : comparision is made between the characteristics of recovered wcand conventional wc by clectronic probe detection. in view of perfect crystal lization, less defect in the crystal and sufficient compound carbon, cemented carbide superior to conventional wc is developed by process optimization to compensate for the high o2 content and more inclusions in the recovered wc
文摘:用電子探針檢測手段對比了回收碳化鎢和一般碳化鎢的不同特性,從回收碳化鎢具有結晶完整、晶內缺陷少、化合碳充足等優良性能出發,用工藝優化手段彌補回收碳化鎢氧含量高、夾雜物多等缺點,試制出了性能優于用一般碳化鎢生產的硬質合金。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。Abstract : several basic problems with the trace elements in cast irons which was studied by using thermodynamical theory was intorduced. these problems included : the solubility of trace elements in cast irons, the influences of trace elements on the crystallization temperature of molten irons, and the tendency to form carbide in molten cast irons
文摘:介紹了運用熱力學理論研究鑄鐵中微量元素的幾個基礎問題,其中包括微量元素在鑄鐵中的溶解度、對鐵液結晶溫度的影響以及在鑄鐵溶液中形成碳化物的傾向。分享友人