弧前 的英文怎麼說
中文拼音 [húqián]
弧前
英文
forearc-
We have been closely cooperated with beijing institute of technology, one of the most prestigious university in china, and co - developed ion vacuum plating technique, multi - arc tin coating technique and twin - eccentric automatic fuel supply advancer in the recent years successively, and acquired many patents. the sag and scda series fuel supply advancer manufactured in one of our branch company : has adopted the advanced twin - eccentric blocks structure, thoroughly changed the traditional structurearc block, sliding block. the angle of advance is very accurate and precise, also perfect at position resume
由本總公司提前器廠生產的sag scdm兩大系列供油角度自動提前器,改變了目前提前器市場上的傳統結構,用先進的雙偏心式結構,代替了二十年一貫制的弧形塊滑塊式結構,具有提前角特別靈敏,恢復性好,怠速運轉無噪音等優點,克服了提前器擺動大漏油等常見缺陷。Before repairing, basing on the actual working condition, concerning the weldability, stress and deformation issues, the scheme of the cold welding technology whose essential being gtaw, low temperature preheating, postweld hammer the welded seam was established
修理前,圍繞兼顧解決焊接性、應力和變形問題,結合實際施工條件制定了以手工鎢極氬弧焊、鎳基焊絲、焊前低溫預熱、焊后錘擊焊縫為要素的冷堆焊工藝。And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates
通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。They low - hand snap pass, chest pass ( push ), lob pass, fake pass, bounce pass, one - hand pass, long pass, short pass, low pass, return pass, rolling pass ( floor ), shoulder pass, tap pass, passing in pairs, threeman inter - passing, side pass, cross pass, forward the ball, in - the air pass, jump pass, loop pass, passing lane, and pass - out
它們是雙手胸前傳球、胸前傳球、高吊球、假傳球、反彈傳球、單手傳球、長傳、短傳、低轉球、上手傳球(頭上傳球) 、回傳球、傳地滾球、肩上傳球、拍球、二人傳球、三人傳球、側傳球、橫傳球、向前傳球、空中傳球、跳起傳球、弧形傳球等。Basing on the premise that the capability of the transmission and the technique are synthetically considered, three new kinds of gear pairs is given, that is, loxodromic normal circular - arc spiral bevel gears, geodetic normal circular - arc spiral bevel gear, and hyperbolic normal circular - arc gear
在綜合考慮傳動性與工藝性等要求的前提下,提出斜航式與測地式法向圓弧螺旋錐齒輪傳動、雙曲型法向圓弧齒輪傳動等兩類三種齒輪副的構思。A satisfactory approximation to monochromatic light can be obtained with a filter placed in front of the arc.
在碳弧前面放一個濾光片就可以得到令人滿意的近單色光。Approaching, disparate, at relaxed walking pace they crossed both the circus before george s church diametrically, the chord in any circle being less than the arc which it subtends
他們邁著悠閑的步子先後挨近了聖喬治教堂前的圓形廣場,然後逕直穿過去。說起來,任何一個圓,其弦都比弧要短。Hengdan turbidite terrane : fillings in a late paleozoic forearc basin developed on the passive margin of the yangtze plate
晚古生代發育于揚子板塊被動陸緣上的弧前盆地充填物Electric arc furnace ( efa ) system is a complex plant, which exits serious non - linearity, time changing, strong couple. the constant impedance control method, which base on classical control theory has been used widely
電弧爐系統是一個具有較強非線性、時變性和強耦合的被控對象,目前普遍採用的是基於經典控制理論的恆阻抗控制方式。Modification and match of big orthogonal convex or concave milling cutter ' s profile
大前角圓弧銑刀齒形修正擬合Bring your left next to it and rest its toes, and circle your hands downward and to the sides. 5. continue circling in and forward, until your hands cross in front of your chest, with your right hand over your left hand, both palms facing in. look ahead
擠:兩手分開,掌心向下與肩同寬,重心后移,右腳腳尖翹起,同時兩手向下落至腹前,重心前移成右弓步,兩手向前向上弧形推出到胸的高度之後,向前平推與肩同寬,目視前方。The reason of these improvements are discussed as a base of lower down the power level without the debasement of performance and the alter of propellant by hydrogen or hydrazine
為今後進一步在確保性能的前提下降低發動機功率以及以氫氣、氮氣混合或者肼作為推進劑的電弧加熱發動機的探索和研製奠定了基礎。Bring your hands up until they cross in front of your chest, with your left hand over your right hand, palms in. 5. open your arms to the side at shoulder height, with your elbows bent and your palms turning out
擠:兩手分開,掌心向下與肩同寬,重心后移,左腳腳尖翹起,同時兩手向下落至腹前,重心前移成左弓步,兩手向前向上弧形推出到胸的高度之後,向前平推與肩同寬,目視前方。The primitive study on the emplacement mechanism suggests that the volcanic rocks had underwent the stages of the trench accretion and the basement of forearc basin, which received the elastics of the yanbian group
經過初步的侵位機制分析,可知這套火山巖經歷了海溝增生楔、弧前盆地基底,並接受了鹽邊群碎屑巖的沉積。4. triangular diagram of the sandstone clastic compositions and the relationship diagram of major element suggest that the proto basin of the clastic rock of the yanbian group was a forearc basin, which was in an active continental margin
鹽邊群碎屑巖碎屑骨架顆粒統計分析結果和砂巖常量元素構造環境判斷圖解顯示,它們所處的構造環境為活動大陸邊緣,初步判定它們的原型盆地為弧前盆地。The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details
本項優化試驗研究的目的主要在於,通過泄洪系統整體水力學試驗,校核泄洪洞的泄流能力;通過發電引水系統整體水力學試驗,研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況;確定快速閘門井內水位波動幅度;試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。During this evolution, seven second - order tectonic units were formed ; from north to south are the mingqianri cretaceous residual sea basin, the arsuo tectonic melange zone, the taricuo - wenbu yenshan magmatic arc belt, the cuoqin - bangduo late paleozoic composite back - arc basin, the jiangrang - geerdi faulted uplift, the gangdise - chazi himalayan magmatic arc belt, and the xigaze - anba fore - arc basin. these units comprise important parts of a poly - arc - basin system and exhibit evolutional features of mesozoic to cenozoic arc - basin systems. mosaic pattern of these tectonic units delineates the lithosphere coupling processes of the gangdise tectonic belt under mechanisms such as back - arc basin attenuation and arc - continent collision
自中新生代以來,岡底斯構造帶經歷了洋殼俯沖、弧陸碰撞、陸內俯沖-碰撞、走滑和塊段隆升的多階段構造演化歷程,形成了由北向南七個二級構造單元,即岷千日白堊紀殘余海盆、阿索構造混雜巖帶、它日錯?文部燕山期巖漿弧帶、措勤?幫多晚古生代復合弧后盆地、江讓?格爾耿斷隆、岡底斯?查孜喜馬拉雅期巖漿弧帶、日喀則?安巴弧前盆地。Seed, rated current is 6 - 200a, see below sketch
件,額定電流均為6 - 200a ,弧前時間-電流特性曲Under the tectonic backgrounds of island arc belt, fore - arc trench belt, back - arc basin, and epicontinental active belt of late paleozoic, it has different volcanic rock characteristics
在晚古生代島弧帶、弧前海溝帶、弧后盆地或陸緣活動帶等構造環境下發育有不同的火山巖組合。Abstract : through the analysis of the coordination characteristics between the switch and the fuses in combination, it is shown that the transfer current of combination can be decreased by reducing the prearcing time of fuses in the range of transfer current or by increasing the fuse - initiated opening time ( t0 ) of the switch. the ways to decrease the transfer current for present combinations are put forward
文摘:本文通過對組合電器中負荷開關與熔斷器之間的配合特性分析,認為減小熔斷器在轉移電流區域內的弧前時間或適當增加熔斷器觸發的負荷開關分閘時間t0 ,均可降低組合電器所需開斷的轉移電流值,並針對現有組合電器提出了減小轉移電流的具體方案。分享友人