細粒碳 的英文怎麼說
中文拼音 [xìlìtàn]
細粒碳
英文
fine-grained carbon-
Based on the principle of mechano - chemistry, the strong shock and crashing mechanical force produced by ls - 250 pulverizer can act to the surface of superfine carbon and white carbon particles during the process. the result of the experiment indicated that distortion and amorphism change occur to the surface crystal lattice of carbon particles, and the phenomena are prick up as the action time of mechano - chemical force
依據機械化學原理利用ls一250型流能粉碎機高速旋轉的動齒工作過程中產生的強烈沖擊、碰撞機械力,使其作用於超細石墨及白碳黑顆粒表面,檢測表明,石墨粒子表面晶格發生畸變及無定形化,且隨著機械力作用時間的延長而加劇。In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material
論文主要針對制約正極材料lifepo _ 4性能的兩大致命的缺點,即低的電子導電率和低的鋰離子擴散速率,採取材料顆粒的細化、顆粒表面沉積碳導電層以及mg ~ ( ~ ( 2 + ) )離子摻雜等措施對其進行改性探索,以提高正極材料lifepo _ 4的電化學性能。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。Suspended solids including fine particles and colloids cannot be removed efficiently with gravitation sedimentation ; they are removed using centrifuge, dissolved air flotation, diatomaceous earth filtration, coagulation sedimentation plus rapid sand filtration while dissolved solids are removed with ion exchange, ultrafiltration, activated carbon adsorption and chemical oxidation
懸浮固體之去除包括微顆粒及膠體物,無法以重力沉澱之物質,可採用離心分離機、空氣浮除法、矽藻土過濾法、混凝沉澱加快濾池等去除之。而溶解性固體去除則採用離子交換法、微細孔濾膜過濾、活性碳吸附以及化學氧化等去除之。Macrophages phagocytize foreign materials such as dust and carbon particles in the lung, as well as vital dye particles.
巨噬細胞吞噬異物,如肺內的塵埃及碳粒,同樣還有活體染料的微粒。Mitochondria convert the chemical energy of carbohydrates and fats into energy forms which the rest of the cell can use when needed.
線粒體可將脂肪與碳水化合物的化學能轉化為細胞的其餘部分需要時可以利用的能源形式。The properties of low carbon steel can be greatly enhanced when its grain size becomes ultrafine. approaches to obtain ultrafine grain size for low carbon steel, such as microalloying, electromagnetic field treatment and thermo - mechanical treatment after rolling, are given in this paper. in addition, the mechanism and technologies of ultrafine granulation are also discussed
低碳鋼的性能可通過晶粒超細化得到改善,討論了低碳鋼生產過程中利用微合金化、電磁場處理和軋后加工處理等方法進行的晶粒超細化,討論了晶粒超細化的作用機理和生產工藝。The results show that the composites were more wear resistant than the matrix, contributing to the " volume effect " and " size effect ", the wear resistance increases with the particle content and size. the composite shows better wear resistance than high chromium cast iron material especially in low load and fine abrasive test condition. the results also indicate that the composite strengthened by ageing treatment was more wear resistant than as - cast composite
磨損試驗結果表明,鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料具有比較高的抗磨料磨損能力,而且其耐磨性隨著鑄造碳化鎢顆粒體積分數及尺寸的增大而提高,表現出了強烈的「體積效應」及「尺寸效應」 ,尤其是在低載荷、細磨料磨損條件下,復合材料表現出更好的而寸磨性,即使與高鉻鑄鐵( cr28 )相比也有很大程度的提高。The microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after five passes. the ferrite matrix is homogeneous grains, average grain size is - 0. 3 m. 2
變形五道次后,片層狀的珠光體組織演變成了超細的滲碳體顆粒均勻分佈於鐵素體基體的組織,鐵素體基體為均勻的等軸晶,平均晶粒大小為0 . 3 m 。The main results are as the following : ( 1 ) the microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after four passes. the ferrite matrix is homogeneous grains, and average grain size is - 0. 3um
主要結果如下: ( 1 ) ecap變形四道次后,片層狀的珠光體組織演變為了超細的滲碳體顆粒均勻分佈於亞微晶鐵素體基體的組織。Standard test method for carbon black, pelleted fines and attrition
碳黑球狀細粒磨損的標準試驗方法In this paper, based on the experi ment and research data of the injected water quality in lunnan oil field in many years, the actual situation of the injected water in lunnan oil field is analyzed and discussed and the chemical indices ( content of the iron, dissolved oxygen, sulfide, carbon dioxide and oil and corrosion rote ), the bacterial index, the phys ical indices ( content and particle diameter of the suspended sub stance ) and the compatibility of injected water with formation water, etc. are evaluated one by one
文章立足於多年來輪南油田注入水水質的實驗研究數據,對輪南油田注入水現狀進行分析討論;對化學指標(鐵含量、溶解氧、硫化物含量、二氧化碳含量、含油量、腐蝕率) 、細菌指標、物理指標(懸浮物含量、懸浮物粒徑)和注入水與地層水配伍性等進行逐一評定。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。The fracture and spheroidization of cementite shows obvious anisotropy. there are two possible mechanism about spheroidization of cementite : the fracture cementite lamellae grows up non - uniformly and the fine spherical cementite particles grows up as the core
滲碳體的破碎和球化表現出明顯的各向異性。滲碳體的球化可能以兩種機制進行:破碎滲碳體片的非均勻長大和細小球狀滲碳體顆粒的形核長大。On the other hand, under the force of mechanical, the carbon and cao & sio2 superfine powder are obtained ; the specific surface area of these particles is increased. the tem photos indicated that, the carbon particles are composites on the surface of the melting superfine particles uniformly
另一方面,在機械力作用下,碳黑及cao sio _ 2的熔融顆粒被超細粉碎,比表面積增大,同時tem照片顯示,中超碳黑均勻地復合於超細熔融顆粒表面,並有逐步嵌入的趨勢,提高了碳的有效利用率,降低了保護渣的熔化速度。The ultra - low carbon steel ( 0. 001 % c ) is subject to a strain of ~ 10 by utilizing equal channel angular pressing of ten passes with route c at room temperature. the grain size is refined to ~ 0. 3m and the resultant steel exhibited the yield strength over 678mpa with a reasonable good elongation of 47. 4 %
本研究成功實現了室溫下超低碳鋼c方式下的ecap變形,累計等效真應變達到10 ,獲得了晶粒尺寸為0 . 3 m超細晶試樣,其屈服強度達678mpa ,是普通熱軋態的兩倍多,並保持高的塑性。When inadequate n was added, the chloroplast structure in mesophyll cell was damaged in ear leaf, the amount of carbohydrate decreased in mestome sheath, and excessive n - redistribution and n - transportation to grain from vegetative mass appeared, which resulted in earlier leaf senescence. excessive n application led to too high activity of nitrate reductase, excessive vigorous nitrogen metabolism and too much exhaustion of carbohydrate in ear leaf, which resulted in the lack of enough carbohydrate in the lower leaf, meanwhile, the expansive chloroplast grana lamellae in leaf mesophyll cell and starch grain without nuclear in mestome sheath cell was observed, which led to the decrease of chlorophyll content and photosythetic capacity in maize leaf, then the early senescence occured
氮肥用量不足導致穗葉葉肉細胞葉綠體結構性差,維管束鞘細胞碳水化合物累積減少,營養體氮素再分配率大而引起葉片早衰;而過量供氮則導致生長後期硝酸還原酶活性過高,氮素代謝過旺,消耗了大量碳水化合物,以致下位葉不能得到充足的碳水化合物供應而提早脫落,同時葉肉細胞葉綠體片層結構膨脹,呈「肉汁化」特徵,維管束鞘細胞澱粉粒大量消耗,無核澱粉粒出現,從而葉片葉綠素含量下降,光合能力降低而出現早衰。The welding study of fine grain simple steel
細晶粒碳鋼的焊接性分析Three principal factors had been produced using the first derivative of the sediment reflectance as variables by factors analysis method, which indicate three kinds material source that are finer grain terrigenous sediment ( fine sand and silt ), terrigenous carbonate and biologic carbonate respectively. the trends of traveling and enriching that material sources had given
以反射率一階導數為變量,利用因子分析方法得到3個主因子,分別代表了研究區三種物質來源,即細粒的陸源物質(細砂及粉砂粒級) 、陸源的碳酸鹽物質和生物碳酸鹽物質,同時給出了三種物質來源的運移和富集趨勢。Preparation of ultra - fine calcium carbonate
碳酸鈣超細粒子的制備分享友人