熱前緣 的英文怎麼說
中文拼音 [rèqiányuán]
熱前緣
英文
heat front-
Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes
實驗結果表明，不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律，而主流雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小，吹風比對換熱系數影響較大（特別是導葉） ，並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit
通過野外考察顯微鏡下薄片鑒定x射線物相分析和礦物紅外光譜等研究，確定了阿希金礦濁沸石化的普遍存在根據濁沸石化發生的規律及其與礦床形成的關系，確定濁沸石化主要見于礦體的上部和外圍，發育在地熱流體系統的邊緣和演化晚期，可作為尋找淺成低溫熱液型金礦的標志之一。導致阿希金礦濁沸石化的流體性質與熱泉型金礦成礦流體和現代地熱田類似，流體作用發生在石炭紀，證明西天山地區具有良好的淺成低溫熱液型金礦的形成和保存環境，因此找礦前景較好。Thermal insulation materials and products - in - situ formed expanded clay lightweight aggregate products - specification for the loose - fill products before installation
熱絕緣材料和產品.現場成形膨脹粘土輕集料產品.松填裝產品安裝前的規范Ltd. is a professional manufacturer of electrical devices connected to the manufacturers, the company combines research, production, sales of inte gration. currently principal products puncture clamps insulation, anti - swirl cable fixed fixture, nets, branch cable connector, shrink - cap closures, some products have been national patents
公司目前主要產品為絕緣穿刺線夾、防渦流電纜固定夾具、網套、分支電纜連接頭、熱縮封帽等，部分產品已獲得國家專利。Fluid flow and heat transfer characteristics in the leadingof blades at rotating state
旋轉狀態下渦輪葉片前緣的流動與換熱Research and prospect of high thermal conductivity and insulating ceramics
高導熱電絕緣陶瓷的研究方向及應用前景After electric heating system is installed, check electrical insulation of all circuits. the insulation resistance between generatrix and shielding layer, core wires of series cable before connection at end not be less than 20 m. and then check if dc resistance of circuit is normal and phase resistance is banlance
電伴熱系統安裝完工後，應逐路檢查系統的絕緣電阻：各種電熱帶母線與屏蔽層之間、串聯帶芯線尾端末短接前的各芯線間絕緣電阻均應不小於20m ；然後再檢查電熱帶直流電阻是否正常，三相電阻是否平衡。In the light of tectonic evolution stage and metallogenesis, these metallogenic system ( assemblage ) could be classified as follows : ( 1 ) the pre - divergent metallogenic system in the southwest margin of north china paleocontinent in the archean - meso proterozoic : dongdashan iron, jinchuan nickel - copper. ( 2 ) the divergent metallogenic system in the northern margin of the qaidam paleoplate in the middle - late proterozoic : huashugou - liugouxia iron. ( 3 ) the metallogenic system in the active margin in the early paleozoic : the metallogenic assemblage in the island arc - rift in the early stage ( baiyinchang - qingshuigou copper - polymetallic ) ; the metallogenic assemblage in island arc in the middle - late stage ( honggou - jiaolongzhang copper - polymetallic ) ; the back - arc extensional basin ( zhuzhuiyaba - jiugequan - shijuli copper ) ; the metallogenic assemblage in connection with subduction and magmatic - hydatogenesis ( taergou - xiaoliugou wolfram ; huashugou - liugouxia copper ; dadonggou - diaodaban lead - zinc ) ; the metallogenic assemblage is related to the oceanic crustal shards ( dadaoerji chromite ; yushigou chromite ). ( 4 ) the metallogenic system has something to do with collision - type orogeny : the metallogenic assemblage in foreland basin ( tianlu copper ) ; the metallogenic assemblage with the intracontinental orogeny and ductile shear ( hanshan - yingzhuishan gold )
根據構造發展階段和成礦作用特點，確定本區成礦系統及組合如下： （ 1 ）華北板塊西南邊緣太古宙中元古代裂解期前成礦系統：東大山鐵成礦組合，金川鎳銅成礦組合； （ 2 ）柴達木板塊北緣中、新元古代裂解成礦系統：樺樹溝柳溝峽鐵成礦組合； （ 3 ）加里東期活動大陸邊緣成礦系統：早期島弧裂谷成礦組合（白銀廠清水溝銅及多金屬成礦組合） ，中、晚期島弧成礦組合（紅溝蛟龍掌銅及多金屬成礦組合） ，弧后擴張盆地成礦組合（豬咀啞巴九個泉石居里銅及多金屬成礦組合） ，與俯沖作用有關的巖漿熱液成礦組合（塔爾溝小柳溝鎢成礦組合，樺樹溝柳溝峽銅成礦組合，大東溝吊大坂鉛鋅成礦組合） ，洋殼殘片成礦組合（大道爾吉鉻成礦組合，玉石溝鉻成礦組合） ； （ 4 ）碰撞造山成礦系統：前陸盆地成礦組合（天鹿銅成礦組合） ，陸內造山韌性剪切成礦組合（寒山鷹咀山金成礦組合） 。Weierother did so, and dohturov made a note of them. when the reading, which lasted more than an hour, was over, langeron, stopping his twisting snuff - box, began to speak without looking at weierother or any one in particular. he pointed out how difficult it was to carry out such a disposition, in which the enemys position was assumed to be known, when it might well be uncertain seeing that the enemy was in movement
宣讀進軍部署延續一個多小時才結束，這時分朗熱隆又停止轉動鼻煙壺，他不注意魏羅特爾，也不特意地注視任何人，他開始說到，執行這樣的進軍部署是很困難的，熟悉敵情只是假設而已，而我們也許不熟悉敵情，因為敵軍在向前推進的緣故。Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度Because these projectiles attain hypervelocity within the atmosphere and are subjected to enormous heating as well as aerodynamic loads, the survivability of the front region of projectile wing is very important for designer to consider
由於這類彈丸在大氣中高速飛行，並受到劇烈的氣動加熱及空氣動力負荷的作用，因此，彈翼前緣部的生存能力就成為彈丸設計中必須要考慮的問題。The model is solved with the finite difference method, the simulation software is organized to simulate the transient thermal response of the front region of projectile wing such as those launched by electrothermal chemical guns
採用有限差分法進行數值求解，並編制了較為通用的模擬軟體，用於模擬諸如由電熱化學炮發射的高超聲速穿甲彈彈翼前緣的瞬時熱效應。When cable used circumstance can prevent thermoplastic flow and admit reduce insulated resistance, if shorten working hours, pvc insulated and nylon jacketed wires and cables ' operating temperature can increase to 105 s which can continuous operating temperature 90
當電纜使用環境可防止熱塑流動和容許減小絕緣電阻的情況下，能連續90使用的pvc絕緣尼龍護套線，在縮短總工作時間的前提下，其工作溫度可提高至105 。Organic - inorganic nanocomposite, which are the complex of inorganic nanopraticles with organic compound, is a popular study subject in nanoscale composite. the nanocomposite can not only take advantage of several advantage, but also produce new properties. in this thesis, taking account of the problems in electrorheological fluids such as high leakage current, low yield stress and stability, the pan - batio3 nanocomposite with different structure are prepared by in - situ complex technology and modified sol - gel method
根據目前電流變液中出現的問題（如屈服應力不夠高，漏電流密度不夠低，穩定性不夠好等問題） ，基於聚苯胺有較高的熱穩定性，且密度又小，特別是聚苯胺的介電常數和電導率均可按需調整，此外，鈦酸鋇無機納米粒子作為一種無機鐵電體，在電場作用下具有自發極化的能力，一方面可以為體系提供高的介電常數，另一方面又可保證體系的絕緣性能。Thermal insulation products for buildings - in - situ thermal insulation formed from expanded perlite products - specification for bonded and loose - fill products before installation
建築物用熱絕緣產品.現場成形膨脹珍珠巖熱絕緣產品.粘結和松填裝產品安裝前的規范Thermal insulation products for buildings - in - situ thermal insulation formed from expanded perlite products - part 1 : specification for bonded and loose - fill products before installation
建築物用熱絕緣產品.現場成形膨脹珍珠巖熱絕緣產品.第1部分:粘結和松填裝產品安裝前的規范Thermal insulation products for buildings - in - situ thermal insulation formed from exfoliated vermiculite products - specification for bonded and loose - fill products before installation
建築物用熱絕緣產品.現場成形片狀蛭石熱絕緣產品.粘結和松填裝產品安裝前的規范Thermal insulation products for buildings - in - situ thermal insulation formed from exfoliated vermiculite products - part 1 : specification for bonded and loose - fill products before installation
建築物用熱絕緣產品.現場成形片狀蛭石熱絕緣產品.第1部分:粘結和松填裝產品安裝前的規范分享友人