管子內徑 的英文怎麼說
中文拼音 [guǎnzinèijìng]
管子內徑
英文
bore of pipe- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 內 : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
- 徑 : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
- 管子 : [工業] tube; pipe; valve管子安裝 pipe installation; 管子扳手 bulldog wrench; 管子鋼 tube steel; ...
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In vitro induction, differentiation and seeding of source cells for the endothelialization of small - diameter artificial blood vessel of polyurethane
小徑聚氨酯人工血管內皮化種子細胞的體外誘導分化及種植實驗Shortly following prof. furchgott s discovery of edrf, a vasodilator substance released from vascular endothelial cells, prof. murad s laboratory was the first to show that edrf used an identical signal transduction pathway as no to cause vasodilation, suggesting that edrf and no could be very similar ( if not identical ) molecules. a few years later, prof. ignarro and prof. furchgott confirmed that edrf was indeed no
隨著富斯葛教授發現血管內皮衍生舒張因子? ?一種血管內皮細胞釋放的一種血管舒張物質,短短的時間內梅里教授的實驗室率先證明血管內皮衍生舒張因子與氧化氮是用相同的訊息傳遞途徑去引致血管舒張的? ?因而引申到血管內皮衍生因子和氧化氮,如果不等同也是非常相似的分子。Considering different soil spring models for vertical fault movement and horizontal fault movement, two damage cases of pe pipeline in ji - ji earthquake have also been simulated. the large deformation of a buried pipeline under fault movement is investigated in the 4th chapter. to examine the inelastic behavior of buried pipelines, the parametric studies on pipe material property, diameter ( d ), diameter - to - thickness ratio ( d / t ), crossing angle ( ), as well as soil stiffness, have been conducted using a shell - spring fem method
對於0 p三90 」的情況,當斷層位移相對管徑還不是很大時(管子內的彎曲應變與軸向拉伸應變相差不大的情況) ,斷層附近管子變形形式與梁相似;當斷層位移相對管徑很大時(管子以軸向拉伸應變為主的情況) ,斷層附近的管子軸線變形為一圓弧,管子表現得像一條沒有彎曲剛度的索。The improved microwave output power and efficiency are obtained. ( 1 ) the radial klystron oscillator with foldaway - concentric cylindrical resonant cavity is researched firstly
研究了徑向電子束與徑向間隙內,徑向二極體間隙內,徑向反射速調管內的微波電場的相互作用過程。The main controller is in charge of managing, communicating and the measuring of grating - displacement and angle - displacement. the subcontrollcr is in charge of the measuring of inner diameter of psd, the analog - to - digital converting of the serial a / d and the data processing of dsp
主控制器完成管理、通信及光柵位移、角位移測量控制功能;子控制器完成psd內徑尺寸檢測、串列a / d模數轉換及數字信號處理器( dsp )數據處理功能。To produce specialty tubing, this procedure uses a drawbench to pull tubing through a die and over a mandrel, allowing excellent control of the inside diameter and wall thickness
為了製造出更精密的管子,本工藝通過拔管機使管子經過鋼型和心軸的拉制,這樣管子的內徑和壁厚精密度就能控制的很好。Lovrin 10 and cv. 5389. by using this system, following questions were investigated : the change of the pattern of microtubules when treated with iwf ; the change of cytosolic calcium levels in the protoplasts when treated with iwf and the influence of microtubule depolymerization prior to iwf treatment on the levels of cytosolic calcium
試驗的目的是以激發子?原生質體簡化試驗系統來模擬葉銹菌侵染小麥葉片的互作體系,探討激發子刺激后寄主植物微管骨架的動態變化及胞內ca ~ ( 2 + )水平的變化規律,為進一步探討激發子誘導防衛反應的信號轉導途徑奠定基礎。In the light of present hotel e - commerce construction status and the macro - environment of china, chapter five proposes a stage - by - stage hotel e - commerce development strategy, after the comparison of the three entry approaches to the hotel e - commerce, it points out that hotels of china should make use of the good opportunity of the national golden tour project, join the tour hotel net positively and build up their own e - commerce. this will not only improve the inside flow and management of hotels, improve the service quality and working efficiency, but also can realize a global marketing and online reservation through the destination marketing system. it will enhance the whole competition level of the chinese hotel industry
第一章導論介紹了本文的研究意義、研究視角和方法;第二章介紹了本文所研究的飯店電子商務的概念與內涵,並對國內外飯店電子商務的發展現狀進行了對比,對制約我國飯店電子商務發展的原因進行了總結;第三章從經濟學的角度,對電子商務的應用價值進行了理論上的提煉;第四章開始將電子商務引入飯店,首先分析了電子商務在飯店企業中的適用性,然後介紹了飯店中電子商務的技術構建,再從管理學角度對飯店應用電子商務所帶來的商業模式變革及其價值進行了詳細闡述;第五章針對目前我國飯店電子商務的建設現狀和宏觀環境,提出了分階段發展飯內容提要店電子商務的戰略,並對三種飯店電子商務介入途徑進行了對比,指出應該借國家金旅工程建設的良好契機,積極加入旅遊飯店網,藉助現有的電子商務平臺,建設飯店電子商務,不但可以改善飯店企業內部流程與經營管理,提高服務質量與工作效率,還可以通過目的地營銷系統,實現全球營銷與在線預訂,增強中國飯店業的整體競爭水平。A solid - liquid fluidized bed has been designed and installed, which will be used in the heat exchanging and descale field. the experimental study for distributor design was carried out and the particles distribution in the tubes of the solid - liquid fluidized bed under different operating conditions was studied by using the ccd measure system. experimental results show that heterogeneous pores distributor which was arranged in the inlet chamber of the solid - liquid fluidized bed can improve the nonuniform distribution of particles in the pipe bundle under high flow rate. the nonuniform decreases by decreasing the mount of pore, but the solid holdup decreases too. the particles distribution is influenced by the position of the heterogeneous pores distributor
實驗結果表明:在液固循環流化床進口段安裝可調節高度的變孔徑分佈板,能在較高的流速下,較好的改善固體顆粒在管束中的不均勻分佈;開孔率越小固體顆粒在管束中的分佈越均勻,但管束中粒子的平均固含率也越小;分佈板的安裝高度對顆粒的分佈有很大的影響,在實驗范圍內分佈板的安裝距離管束入口處越遠,顆粒在管束中的分佈越均勻。The tube is ten feet wide in the clear
這管子內徑寬十英尺。" l11e el1hct of icl1gth al1d diailletel ; each kind of single - walled nanotubes ( swn ' l ), was considered for l1ydrogen storage. our results show that tl1e maxill1ul11 value of l1ul11bcr dcnsity of h2 was 1ocated the region from d = 4. 0nln to d = 5. 0l1ln. w11cn tl1e dialllcter was flxed, 1he storage amount of il2 lineariy augl1lel1ted witl1 the tube ' s icngtll increasing
研究了管長、管徑對儲氫性能的影響,得出如下的結論:在管徑d = 4 . 0nm至5 . 0nm間,管內氫分子平均數密度取最大值;當管子直徑固定后,儲氫量隨管長增加而線性增加。In the point of view of cooperation and interoperability of application units, this paper discusses the functions, design and implementation of the connectors on software modeling. the atom connectors and composite connectors are provided as a level of supporting model in the toolkit. the design and implementation of the semantics, actions and methods of four types of atom connectors is discussed within the three phase of modeling, simulation and execution
本文從應用業務的協同交互角度,研究在基於構件的應用建模中,作為構件開發工具支撐機制提供給應用的連接件的地位、作用及其設計與實現,提出了原子連接件與組合連接件的概念,並且對四種基本的原子連接件(過程調用、共享內存、管道和網路連接)在建模階段、模擬驗證階段和運行階段的語義、行為以及設計與實現途徑進行了研究與探討。Even if experimenters bounce the beams to and fro to increase the effective length of an interferometer ' s arms to more than 100 kilometres, the expected difference in length between the two beams ' paths still amounts to less than a hundred - millionth of the diameter of a hydrogen atom
盡管已經讓激光束反復反射來使激光干涉管臂的有效長度增加到超過了100公里,但在光路路程之內,兩束光波長差仍小於氫原子直徑的一億分之一。Taking some tubular air pre - heater used in one boiler whose capacity is 130 t / h as an example, new blue print with inner trachea is completed by means of computer program. several key design variables may be changed, such as diameter of pipe and velocity of flow of gas. these cases have been considered, and their results have also been compared with each other
比較了幾個重要的設計變量,如外管徑、煙氣流速等參數變化時,總傳熱系數和空預器本體管子總重量,阻力損失以及最低管壁溫度等幾個重要設計結果的變化趨勢,對內螺紋管空氣預熱器的設計具有借鑒意義;其間還分析了內螺紋管與光管在設計時的不同之處;最後,初步分析了內螺紋管的優化設計問題,提出了一些建議。These results suggest : 1 ) anion channels play an important role in the regulation of blood vascular tone ; 2 ) ne - stimulated contraction is not influenced by extracellular sodium ; 3 ) vascular tone can be affected by anion channel ' s activity ; 4 ) the activation of anion channels do not depend on release of intracellular calcium ; 5 ) anion channels may be involved in the regulation of vascular tone through modulating the influx of extracellular calcium and the release of intracellular calcium
陰離子通道對血管平滑肌細胞外鈣內流和內鈣釋放都有調節作用。本研究表明,血管張力的維持可能主要與陰離子通道的活動狀態有關。陰離子通道很可能是通過調節血管平滑肌細胞外鈣內流和內鈣釋放兩個途徑來發揮調節血管張力的作用。This paper analyzes the relationships among precipitation, runoff and crop water requirement, and investigates the effects of integrated drought - resistant technologies during whole growth period on the production of corn and millet in north part of shanxi province, based on the forecasting of long - term climate trend and the objective assessment of annual water supply and demand on farmlands
摘要通過對降水量、地面徑流量、作物需水量的綜合分析,結合山西省中長期天氣趨勢預報,在客觀定量地評價年度內農田水分盈虧指標的基礎上,實施集成旱作技術,對玉米和穀子進行全生育期農田管理,取得明顯效果。Although cardiac effects of il - 2 have been reported, the mechanisms of action have not been fully elucidated. negative inotropy of il - 2, partially mediated by no, was observed in hamster papillary muscle. further, clinical research has shown that il - 2 has negative inotropic properties in patients receiving il - 2 therapy
作為在體內分佈相當廣泛的細胞因子(如il - 2等) ,其對心血管系統的作用盡管已經開始認識,但是對其作用和機制的了解還不夠全面和深入,特別是通過何種信號轉導途徑發揮作用了解不多。The morphology examination by sem and tem showed that the carbon nanotubes were arranged in the array uniformly and paralleled, with smooth walls, the outside diameter of 120 nm and the inside diameter of 110 nm. from the cyclic voltammetry, the array electrodes in an acidic electrolytic solution had greater capacitance than the case in a neutral electrolytic solution. the specific capacitance of 365 f / g was achieved with the discharge current density of 210 ma / g in the solution of 1 mol / l h2so4
掃描電子顯微鏡和透射電子顯微鏡對碳納米管陣列電極的形貌表徵表明碳納米管形狀規整,排列有序,尺寸均勻,管壁光滑,外徑約為120nm ,內徑約為110nm ;循環伏安實驗表明mwnts陣列電極在酸性溶液中比在中性溶液中具有更好的電容性能;根據恆電流充放電法得出mwnts陣列電極在1mol / lh _ 2so _ 4水溶液中,在210ma / g的放電電流密度下的比電容可達353f / g ,比目前報道的無序碳納米管和活性炭電極的比容量都高得多;其它電化學實驗顯示該電極具有很低的內阻和良好的充放電循環穩定性。For example, it is difficult to ensure the reasonability of schedule risk analysis object and topn schedule risk factors, the optimization of schedule plan is always broken by schedule risk management measures, and few researches fully considered activity iteration and overlapping in r & d project. to solve these problems, this thesis takes schedule risk analysis process integration as guidelines, presents a r & d project schedule risk analysis method based on process integration ( srabpi ), which provides a new way and new methods for schedule risk analysis of r & d project. the main contents and fruits of this thesis are outlined as follows : firstly, srabpi idea is presented and srabpi framework is constructed from several aspects such as body, connotation, processes, methods, management organization, and relations between srabpi and project risk management
本文針對經典進度風險分析方法中存在的進度風險分析對象的合理性難以保證、 topn進度風險因子選擇難和進度風險管理措施影響進度計劃最優性等普遍性的問題,綜合考慮研發項目活動迭代和重疊等特點,以進度風險分析的過程集成為指導思想,研究提出一套基於過程集成的研發項目進度風險分析( srabpi )方法,為研發項目進度風險分析提供了新的途徑和新方法,論文的研究內容和主要貢獻如下:首先,提出研發項目srabpi思想並從主體、內涵、過程、方法、組織管理及其與項目風險管理的關系等多個方面構建了srabpi框架。Considering the kinetic diameter of 2. 89a for a hydrogen molecule, the inner cavity inside the tubes, the interstitial regions of tube arrays and the empty space between tube walls are the hydrogen adsorption sites. thus, the high hydrogen storage capacity in cnts would be available
氫分子動力學直徑是0 . 289nm ,單壁碳納米管的中空管內腔和管束內的間隙孔以及多壁碳納米管的中空管和管壁間隙都可以作為儲氫的吸附位,因此碳納米管具有良好的儲氫性能。分享友人