火花弧 的英文怎麼說

中文拼音 [huǒhuā]
火花弧 英文
flash arc
  • : fire
  • : Ⅰ名詞1 (種子植物的有性繁殖器官) flower; blossom; bloom 2 (可供觀賞的植物) flower 3 (形狀像花...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • 火花 : spark; spark discharge; spark-over; scintillance; flake; trigatron; cremation; [電工] electric spark
  1. Distant effect of jurassic collisions of qiangtang terrane, lasa terrane and paleo - pacific land onto the eurasian land made east qinling - dabie mountains in a compressional circumstance for a long time, and suppressed its orogenic extension ; whereas, cretaceous late - collisional extension and appearance of west pacific trench - arc - basin system relieved east qinling - dabie mountains of external compression, instantly result in violent orogenic lithosphere delamination - extension and depressurized - calefactive melting, and consequently, led to the formation of large scale early cretaceous granitoids and intermediate - acidic volcanic rocks

    羌塘地體拉薩地體和西太平洋古陸在侏羅紀與歐亞大陸拼貼碰撞的遠距離效應使東秦嶺大別造山帶長期處于擠壓環境,伸展作用被抑制白堊紀的碰撞晚期伸展和西太平洋溝盆體系的遠距離效應使東秦嶺大別地區的外部擠壓消失,導致造山帶巖石圈迅速強烈拆沉伸展和減壓增溫熔融,從而形成大規模早白堊世崗巖類和中酸性山巖。
  2. 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崗巖類以及中國主要金、銅成礦巖體的崗巖類進行對比,得出本區崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型崗巖,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環境的產物。
  3. 2. 6 2. 7ga, these granitoids are most likely to be derived from the partial melting of hybrids both 2. 6ga metavolcanic materials in archean wutaishan magmatic arc and older continent crustal materials under lower than 1. 2gpa. petrological and geochemical characteristics of wangjiahui granitoid intrusion suggest that is probably fored under post - collisional tectonic background

    2 . 1ga在- 3 . 82 - 2 . 80范圍,表明王家會古元古代崗巖最有可能形成於大約2 . 6ga五臺山大洋島山巖物質和更老的陸殼物質在
  4. Study on petrology, geochemistry and isotope chronology shows that the metallogenesis is closely related to granite - porphyry, which belongs to the early ordovician adakite formed in volcanic arc

    崗斑巖與成礦作用關系密切,從巖石學、巖石化學、年齡學等方面對崗斑巖進行了研究,認為崗斑巖屬于志留世早期形成於環境的埃達克巖。
  5. Parts which can ignite an explosive atmosphere are placed in an enclosure which, if there is an ignition of an explosive mixture internally, will withstand the pressure and prevent the explosion being transmitted to the atmosphere around the enclosure

    將設備在正常運行時,能產生的部件置於隔爆外殼體,隔爆外殼能承受內部的爆炸壓力而不致損失,並能防止傳播到外殼外。
  6. Influence of rotary arc on the feature and electrode erosion of spark switch

    旋轉電間隙開關電極燒蝕的影響
  7. Punch former is applicable on surface grinder or universal grinder for grinding round, radius and multi - angle points of punches and for precisely edm electrode. with is radius dresser arm, it is able to dress wheels to different straight, arc profiles

    r100mm外型尺寸: 360 116 145mm它可用於平面磨床及萬能工具磨床,對各種形狀的沖頭進行精度磨削,並可用於電機床電極的精密加工。
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