wt-c 中文意思是什麼

wt-c 解釋

  1. Equal channel angular processing of the pearlitic steel ( 0. 65 wt. % c ) was successfully carried out at 650 with route c in this study, obtaining a total equivalent true strain ~ 5. the microstructure evolution of pearlitic steel in ecap was investigated by means of transmission electron microscope and scanning electron microscope. the main results are as the following : 1

    本研究成功地實現了c方式650珠光體鋼65mnecap變形,累積等效真應變達到5 。並用透射電鏡、掃描電鏡研究了珠光體組織的演變特點和滲碳體的變形。主要結果如下: 1
  2. The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness

    本文利用金相法(包括黑白金相和彩色金相) 、 x射線衍射( xrd ) 、掃描電子顯微鏡( sem ) 、能譜( eds )及洛氏硬度分析儀等手段,對復合軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊註明均為質量分數)合金系的顯微組織、熱處理工藝及性能進行了系統地分析。
  3. 3. use the boasting dates of every bo, we atup the dea rnodel, such as c ' r and c : gs :. w wt is m as a theis, and it ' s relative efficiency is evalwt by the m, we ahalysis bo taal effiwt and scale effeency a clear ditw is given bo the dea effiho dmus nd the no dea effich we also can for m insghthe - - boon with the bokgroun

    構造具有非阿基米德無窮小量的dea模型c2r和c2gs2 ,對調整前後農業產業系統的綜合生產能力和生產效率進行評價,體現了不同調整方案的結構優化效應,並對各方案進行規模效益和投入冗餘率、產出不足率分析:運用投影定理構造「虛擬」決策單元,對方案進行修正和改進。
  4. The results show that the solidification microstructure of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) contains of martensite, retained austenite structure, and mc, m6c, m2c carbides, and mc / m2c complex carbides by xrd, sem and metallographs. most of the mc carbides locate in the cell and other carbides distribute along the boundary of the cell

    結果表明:經金相組織觀察、 x射線衍射和掃描電鏡分析, fe - 2 c - 4 v - 4 mo - 5 cr - x w合金系高速鋼凝固組織包含馬氏體基體、殘余奧氏體及各種類型的碳化物如mc型碳化物、 m _ 2c型碳化物、 m _ 6c型碳化物和mc m _ 2c類型復雜碳化物,大部分mc型碳化物分佈於晶粒內部,其它類型碳化物則沿晶界呈網狀分佈。
  5. The results of the uni - factor experiments and perpendicular experiments show their best mechanic synthesizing craft as followed : nvp ( 10 % wt ), kh570 ( 20 % wt ), hema ( 70 % wt ), initiator ( 0. 2 % wt ), crosslinker ( 20 % wt ), reacting 20 hours under 80 c. the factors which influenced organic silicon modified pvp hydrogel soft contact lens material ' s swelling capabilities were researched, which included temperature, monomer content, ion concentration etc. the experiments showed the equation swelling content ewc improved with the increase of nw, droped with the increase of kh570 and ion concentration, improved then droped with the raise of temperature, and hydrogels got the least ewc at 45 c. experiment carried on todiscuss water dehydration mechanism of organic silicon modified pvp hydrogel soft contact lens materials, which showed dehydration process could be divided into evaporating stage and diffusing stage

    正交實驗結果表明, nvp ? hema ? kh570共聚物的機械性能最佳時,其合成工藝條件為: nvp用量10 (質量百分含量,下同) , kh570用量20 , hema用量70 ,引發劑aibn用量0 . 2 ,交聯劑nmba用量0 . 2 ,反應溫度為80 ,反應時間16h 。討論了單體配比、溶脹溫度、離子濃度等因素對有機硅改性pvp水凝膠軟接觸透鏡材料溶脹性能的影響。實驗得出:水凝膠材料的平衡溶脹度ewc隨單體nvp含量的增加而增大, ewc隨kh570用量的增加而減小,隨離子濃度的增大而略微降低,隨溶脹溫度的升高先稍微下降後有所提高, 45時平衡含水量最低。
  6. The result of experiment showed that the reaction between ti and c is a thermodynamic course, when 2 wt % mg is added to melt, it can restrain the formation of fragility phase al3ti, and gained al matrix composite which contained tic reinforced particles only. because mg reacts with the forms a micro - high temperature field around the oxide around the graphite particles and the oxygen gas which is brought by the immersion bell, and the reaction gives out a lot of heat energy, thus forms many high micro - fields in melt, which prompt the reaction between the al and ti

    加入適量的mg ( 2wt )可以抑制tic al復合材料中的脆性相al _ 3ti的產生,生成僅含tic的鋁基復合材料;由於活化劑鎂在體系中與石墨顆粒周圍的氧化物、以及外來的氧反應放熱,在熔體中形成微高溫區,促進al - ti反應,同時, al - ti反應也是放熱反應,因此體系中的內能急劇增大,促使al _ 3ti分解以及ti朝c顆粒擴散,縮短反應的孕育時間。
  7. Main research contents and achievements of this thesis is as follows : l. this paper carries through particular test and analysis to the basic physical - chemical properties of gaojiawang palygorskite, an environmental mineral fibre, by xay, ir, tem, sem etc. this paper has also discoursed upon the development appliance research status in quo and directions of palygorskite. 2. according to the preceding surface modification research achievements to nonmetal mineral materials, the author combines the self characteristics of palygorskite such as the ratio of length and diameter, typical nano - rank particle diameter, big ratio surface area, well - developed crystal growth imperfection and lattice defect etc. the author also designs organising modification ortho - experimentation of palygorskite by adopting iso - propyl alcohol as thinner of wd - 51 and ndz - 401, and acquires the best craft parameters and craft conditions for gaojiawang palygorskite original ore organising modification, namely : wd - 51 concentration 1. 6 % ( wt % ), modification temperature 120 ?, and modification time 60 mins ; ndz - 401 concentration 2. 0 % ( wt % ), c modification temperature 120, modification time 80 mins

    在前人對非金屬礦物材料表面改性的基礎上,結合環境礦物纖維?坡縷石自身的特點(如:長徑比、典型的納米粒徑、大比表面積、發育的晶體生長缺陷和晶格缺陷等) ,通過對坡縷石有機化改性設計正交試驗,採用( ch _ 3 ) _ 2choh作為稀釋劑,獲得了採用wd - 51和ndz - 401對高家窪坡縷石原礦進行有機化改性的最佳工藝參數和工藝條件,分別為: wd - 51的濃度為1 . 6 ( wt ) ,改性溫度為120 ,改性時間為60min ; ndz - 401的濃度為2 . 0 ( wt ) ,改性溫度為120 ,改性時間為80min 。
  8. Compared with untreated graphite under the same condition, the surface electric potential of treated graphite changes in part, but unlike a1 ( oh ) 3, the oxidation ratio decreases 10 % when a1 ( oh ) 3 / graphite ( wt % ) = 10, and the wetting angle of treated graphite hold the line, namely the wetting ability is not improved. contrasted with the hydrolyze coating way, the deposition coating way has simple technical process, lower cost, and its disadvantage, for instance, coat layer distributes unevenly, the wetting ability is not improved. furthermore, the effect of treated graphite applied in mgo - c castables are investigated

    經沉澱法改性后,石墨的表面電性發生了一定的變化,其等電點從2 3變為7 8 ,但與al ( oh ) _ 3的等電點( 8 9 )存在一定的差異;接觸角測定結果則表明,經沉澱法改性后,石墨與水的接觸角並沒有改變,即改性石墨與水的潤濕性沒有明顯改善;當al ( oh ) _ 3石墨( wt ) = 10時,改性石墨的氧化失重率比未改性石墨下降了約10 ,這說明經沉澱法改性后,石墨的抗氧化性得到了一定的改善。
  9. The ison 8y8the has pidwn to be vny ed in man - - nd coatd pe to be rm ch if edd howevcr wt the n pobo to mec the ned ( i. c thees, wh etc ) could eder it 1ess 8ultcd to thc for of another owt tqm is pidvies a mere c ~ cte qualty systein by mtw the mnetnot of peoplc aspecl however it lacks a means of ww and so ha8 twd unw

    Iso制度的迅速推動,對企業的利益有直接的重大的影響,但由於各企業的現有制度與技術能力的不同,至今仍無一套適用於所有企業的iso9000模式;而tqm雖是很好的品質管理系統,但由於推動手法不能具體化而遲遲得不到真正意義上的普及。
  10. The pp / gpp / eg electrically conductive nanocomposites with ? c of 6 wt %, which was much lower than that of corresponding electrically conductive composites ( 11 wt % ) prepared via conventional melt - mixing, were firstly achieved via solution intercalation

    首次採用溶液插層法成功制備了pp gpp eg導電納米復合材料,其_ c值為6wt ,明顯低於常規熔體混合法制得相應導電復合材料的_ c值( 11wt ) 。
  11. The pp / pa66 / gpp / eg combined in - situ and nano electrically conductive composites with ? c of 4 wt %, which was lower than that ( ? c = 6wt % ) of composites without pa66 and simil

    降低;同時藉助pa66纖維對pp基體的增強和增韌作用,使組合復合導電材料的力學強度和沖擊韌性高於非組合復合導電材料。
  12. You may remit a letter of credit ( l / c ), wire or telegraphic transfer ( wt or tt ), bank draft, company check, or you may use your visa, mastercard, or american express

    你可以通過信用證,電匯,銀行匯票,公司支票,或者用你的維薩卡、萬事達卡或通過美國郵政付款。
分享友人