接觸面積率 的英文怎麼說
中文拼音 [jiēchùmiànjīlǜ]
接觸面積率
英文
fractional area of contact- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 觸 : Ⅰ動詞1 (接觸) touch; contact 2 (碰; 撞) strike; hit 3 (觸動) touch 4 (感動) move sb ; sti...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 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...
- 率 : 率名詞(比值) rate; ratio; proportion
- 接觸 : 1. (交往) come into contact with; get in touch with 2. (沖突) engage 3. (挨上; 碰著) contact; touch
- 面積 : [數學] area
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The ultrasonic dynamic contact of bolt - clamped transducer and rigid plane are modeled using hertzian contact theory, and the analyzing results reveal that the nodal plane of the bolt - clamped transducer is levitated in normal direction by the ultrasonic dynamic contact action, and the real area of contact of bolt - clamped transducer and rigid plane decreases in the same time
首先利用赫茲接觸理論建立了夾心式換能器和剛性平面的超聲動態接觸模型。通過對模型進行分析、求解表明,在縱向超聲頻率動態接觸作用下,換能器節面位置產生了上浮,換能器端面與剛性平面的動態真實接觸面積比靜態時減少了。Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )
體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。Abstract : based on the analysis of influence of tubular rib construction on heat transfer area on steel blank and heat transfer space in furnace, a t - shape support system for tubular rib is presented, by which the construction of wholly overhead furnace hearth can be realized for large and medium scale continuous reheating furnaces, making furnace gases to come into full contact with steel blank, raising space utilization ratio of furnace chamber and improving heat exchange
文摘:分析了爐筋管結構形式對傳熱空間、坯料受熱面積的影響;提出採用t形支撐技術優化爐筋管,可實現大、中型連續加熱爐的全架空爐底,使爐氣與坯料表面充分接觸,提高爐膛空間利用率,可較大幅度提高爐膛熱交換。The special area of foam was detected for the compound tray of 20 % free area by ccd camera and computer identification technology of gas and liquid two phase flow in column. with the rectangular plexiglass tower in 200mm x 300mm, and it ' s correlation was obtained. this experiment offered data of special area for establishing mass transfer model of foam
在200mmx300nun的有機玻璃方塔內,以空氣水為介質,採用ccd拍攝技術和塔內氣液兩相流計算辨識技術,測定了開孔率為20的復合塔板上泡沫層的氣液接觸比表面積,並建立了關聯式。However, when the samples have different effective contact areas, the degrees of dissolution may depend on the swing of the pendulum between the dissolution velocity and their effective contact area
但當樣品在水巖反應過程中有不同的比表面積時,溶蝕作用的強弱或快慢就取決于巖石溶蝕速率與水巖反應有效接觸面積的消長關系。Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis
利用「混流」模型,建立了兩相流體的剪應力模型、固體顆粒與垢層的碰撞模型和固體顆粒的運動速度模型;通過計算和理論分析,系統地考察了操作參數、顆粒物性、顆粒體積分率等對固液兩相流剪應力、顆粒對垢層的碰撞力、顆粒與垢層的最大接觸時間和最大接觸面積的影響。In the rotor design, it makes a detailed calculation for all the geometry feature parameters including geometry dimensions, contact line length, blowhole area and flow cross - section area and the thermodynamic feature parameters such as cooling capacity, shaft power and so on
在轉子設計方面,對全部幾何特性參數,包括幾何尺寸、接觸線長度、泄漏三角形面積和面積利用系數等以及包括製冷量、軸功率等冷水機組熱力特性參數進行了詳細計算。Considering the water spraying can effectively increase the contact area between gas and water and promote the hydrate production rate, a batch reactor with water spraying was built in order to experimentally investigate the forming performance of natural gas hydrate, the system ' s state parameters ' variation and its effect on induced time of initial pressure and water temperature
摘要考慮到水的霧化可以有效提高氣水接觸面積,有助於提高水合物生產速率,設計和建造了一個半間歇式霧流強化水合物實驗裝置,用於探索和揭示噴霧強化天然氣水合物制備過程的基本特性,包括制備水合物的形態特徵,形成過程中參數的變化規律,以及系統初始壓力和初始水溫度對形成過程誘導時間的影響。The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )
浸入式電加熱器主要用於直接對流體接觸加熱的場合,具有熱交換快,熱效率高等特點,分為水用加熱器、油用加熱器、氣體用加熱器,加熱元件的功率密度:即電加熱元件單位發熱面積上的功率,它是電加熱元件極重要的參數,直接影響加熱器的使用性能及使用壽命,它的取值是一個非常專業的問題,受到許多因素的影響(如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等) 。In this paper, we resolve the question of high temperature when these high power transistor, and put forward that improving disseminate path and increasing interface area for disseminate will be achieved
文中有效解決了大功率晶體管的在工作時的發熱量較大的不利因素,提出改進散熱通道和加大散熱的接觸面積等可行的方法。分享友人