材積表 的英文怎麼說

中文拼音 [cáijībiǎo]
材積表 英文
log rule
  • 材 : 名詞1 （木料） timber 2 （泛指可以直接製成成品的東西; 材料） material 3 （供寫作或參考的資料） ma...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  1. The macao venetian, of about 2, 000, 000, 000 dollars, was invested by las vegas sands inc and located on golden light avenue, with a occupational area about 10, 500, 000 square meters, and the roof and metope are steel structures with sculpts

    澳門「威尼斯人」工程，是由美國拉斯維加斯金沙集團股份有限公司，投資二十億美元興建，該工程位於澳門路?金光大道，佔地面積一千零五十萬平方尺，其中頂部、墻面都採用鋼結構材料表面加造型。
  2. Aerial tree volume table

    航測樹木材積表
  3. In this investigation, gas barrier property of pet has been improved by plasma enhanced chemical vapor deposition ( pecvd ) and plasma immersion ion implantation ( piii ) technologies

    本文通過等離子體化學氣相沉積（ pecvd ）和等離體浸沒離子注入（ piii ）技術在聚酯材料表面制備了阻隔碳膜來提高氣體阻隔性能。
  4. 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。
  5. The variable parameter taper equation, which was suitable to pin us elliottii plantation form changing law, was built with the sample wood datas on the basis of the research of about form shape in the tree mensuration, one - dimensional volume table, two - dimensional volume table, one - dimensional timber - produced rate table for timber assortment, and two - dimensional timber - produced rate table for timber assortment were complied based on the above

    摘要在樹干形狀研究的基礎上，利用樣木資料建立了一個適合濕地松人工林干形變化規律的可變參數削度方程，據以編制了一元材積表、二元材積表、一元材種出材率表和二元材種出材率表，這些數表經檢驗誤差較小，精度較高，可在林業生產上推廣應用。
  6. The experimental results show that the characters of tree height, dbh, and volume, etc. of every family progenies of pinus massoniana seed orchard are all evidently higher than those of control ( ck ), 7 fine family materials whose volume growth exceeds the control ' s by 50 % are totally selected as the materials for building p. massoniana improved seed orchard and industrial raw material forest

    摘要對漳平五一國有林場馬尾松種子園18個初選家系進行子代測定，採用隨機區組設計、 8次重復，對6年生的樹高、胸徑、材積等性狀進行測定，試驗結果表明：馬尾松種子園各家系子代均明顯高於對照（ ck ） ，共選出7個優良家系材積生長超過對照50 %以上材料，作為營建馬尾松改良種子園和工業原料林的材料。
  7. Sawn timber volume table

    鋸材材積表
  8. This article uses fixation swatch founding for second - class investigation to obtain character of 207 sample trees, by which mathematics model of ground diameter volume table of chinese fir were deduced by regressing and imitating with five of equations respectively, and used unitary and binary volume tables of timber respectively to reckon an unitary ground diameter volume table, then compared the two ground diameter volume tables, so that a ground diameter volume table of chinese fir in yanping district was compilated to satisfy essentially the precision demand of forestry production, and to serve forestry production

    摘要利用二類調查布設的固定樣地，收集207株樣木調查資料，分別採用5個方程進行回歸擬合，選出杉木人工林地徑材積表的方程模型，利用一元材積表和二元材積表導算編制一元地徑材積表，並進行比較，結果表明二元材積表導算地徑材積表的方法精度較高，基本滿足林業生產所需精度要求，可以提供林業生產服務。
  9. Study on establishment of the volume table of standing timber of poplar tree in north of anhui province

    皖北楊樹二元立木材積表的編制
  10. Research on the deposition of ir films on cf sic composites

    復合材料表面沉積銥膜層工藝研究
  11. Through the stand investigation by setting up the sample site, the investigation results showed that the average dbh of 15 - year - old alniqhtllm fortunei planted under nature was 60 % larger than that of 17 - year - old pinus massoniana plantation under the same condition, the average tree height of the above was 38 % larger than that of the latter, the average single - tree volume of the above was 3. 2 times higher than that of the latter, the above showed the absolute dominance in stands

    摘要設立標準地進行林分調查，在標準地中選取擬赤楊標準木進行樹干解析，採用生長對比方式分析擬赤楊在馬尾松人工林中的生長情況，調查結果表明，在同一環境條件下， 15年生天然下種的擬赤楊比17年生馬尾松人工林平均胸徑大60 % ，平均樹高高38 % ，平均單株材積大3 . 2倍，在林分中表現出絕對優勢。
  12. British columbia log scale

    圓木材積表
  13. Usted log rule

    調整的圓木材積表
  14. It is known that high intense pulsed ion beams ( hipib ) have a high viability to be used as an efficient energetic source for rapid film deposition and direct surface modification. up to now, however, there is still lack of a systematic work to reveal the influence of hipib on the film deposition and material modification although there are lots of papers have been published in the field. in the present work, these two practical applications of hipib were all investigated in detail

    根據強流脈沖離子束（ highintensepulseionbeam ? hipib ）技術具有快速沉積薄膜和材料表面輻照處理改性的特點，而目前對其薄膜沉積和材料輻照處理缺乏系統研究，本論文的工作分為兩部分，其一是類金剛石薄膜（ diamondlikecarbon ? dlc ）沉積，其二是高速鋼直接輻照處理表面改性。
  15. The results showed that stem volume ( v ) and wood basic density ( bd ) were the most important traits in selection breeding for pulpwood of masson pine and, stand and individul selections shoud be based on the provenance selection

    結果表明，馬尾松制漿造紙材的良種選育應以材積和木材基本密度作為主要指標，首先進行種源的選擇，在此基礎上進行林分和個體的選擇。
  16. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  17. 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 。
  18. The counsellors are all well qualified language specialists. they provide individual advice to students so that they can use the centre s teaching materials for self - access learning more effectively. the counsellors also assist students in designing language improvement plans and in evaluating their progress. students are welcome to make an appointment with a counsellor to discuss their language needs

    英語教學單位及中文系老師為同學提供個別輔導，針對同學的需要提供改進語文學習能力的意見，使他們能善用中心的教材，積極自學；老師並會協助同學設計進度表及評估學習進度，讓同學能按照合適的步伐向目標邁進。
  19. But polycrystalline cvd diamond films have rough and non - uniform thickness which can adversely affect their application. furthermore, it is difficulty to machining the cvd diamond thick - film

    但是， cvd金剛石膜為多晶材料，表面為雜亂分佈的晶粒的堆積，顯露出明顯的稜角，表面粗糙度大，后續加工比較困難。
  20. Using the hankel transform, the state vector equations are reduced to a set of ordinary differential equations. according to the theory of ordinary differential equations and the cayley - hamilton theorem, an analytical solution of the problem is presented in the form of the product of initial state vector and transfer matrix, which is given for the four distinct eigenvalues each. applications of the solutions are discussed

    利用hankel變換，將狀態變量方程轉化為一組常微分方程組；進而根據常微分方程組解的理論和cayley - hamilton定理，得到了以狀態變量和傳遞矩陣乘積表示的單層壓電壓磁彈性材料的解析解；並討論了4種不同特徵根的情況以及解的應用。
分享友人
分享到 Line

分享到臉書