tube base 中文意思是什麼
tube base
解釋
電子管插座-
Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed
本實驗以河套蜜瓜果肉基因組dna為模板，用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增，得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上，篩選反向克隆，然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游，構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上，通過花粉管通道法轉化河套蜜瓜，共獲76顆瓜，並進行了硬度和含糖量的分析。 -
Third, on the base of expatiating on experimental research method and theoretical research method of joints, the paper points out two kinds of valid methods, which are used to analyze the tube joints stress of dendriform structure by making use of semi - analytical method and inelastic large deflection finite element analysis method, confirms to apply the evaporative pattern casting process as the facture method of dendriform structure cast joints, and detailed dissertates the casting theory, casting process, generation cause and prevention measure of casting flaws, heat treatment method and inspection standard about cast steel joints
然後在闡述樹狀結構節點實驗研究方法和理論研究方法的基礎上，提出了利用半解析法和彈塑性大撓度有限元法兩種有效分析樹狀結構管節點應力的方法，並給出兩種方法的詳細表達式及它們各自的優缺點。通過對鑄鋼件常見製作方法的介紹，確定了採用消失模法作為樹狀結構鑄鋼節點的製作方法，並詳細論述了用消失模法製作鑄鋼節點的鑄造原理、鑄造工藝、鑄造缺陷產生的原因及防治措施、鑄鋼節點的熱處理方法以及檢驗標準。 -
Suitable for recycle and restore of conventional sheets, tube plastics, profiles, packing plastics, extrusion mould products & runners. general operation adopted with airtight sealed bearing to allowed long hours rotation ; well designed of cutter blades, to ensures the balance of pellets sizes after crushed ; cutter base with special heat treatments, elegant in designed
通用型塑料粉碎機，採用密封軸承，使軸承轉動長時間保持良好；刀型設計合理，產品成粒均勻；刀座熱縮處理，外形設計美觀大方。 -
Calyx tube constricted at apex ; petals 5, white, with pellucid dots, pubescent ; fertile stamens 5 ; filaments longer than petals, anthers 1. 5 - 2. 5 mm long, pubescent ; staminodes 15, 10 of them gland - like, ovoid, inserted on the base of filaments, rest 5 globose ; style villous ; stigma dilated into an undulate crest
花萼管頂端稍縊縮；花瓣5 ，白色，有透明腺點，被短柔毛；發育雄蕊5枚，花絲長于花瓣，花約1 . 5 - 2 . 5毫米，被短柔毛；退化雄蕊15枚，其中10枚腺體狀，卵球形，著生於發育雄蕊花絲基部，另5枚球形；花柱被柔毛，柱頭雞冠狀。 -
Since its establishment in 1997, king star flexible hose co., ltd. is always making the unremitting efforts for the r & d of various flexible tubes. it has formed a specialized one - continuous - line production system from the mechanical processing, surface polishing to the electro - plating and assembly. at present it is the largest - scale soft tube manufacturer and export base in china
金星軟管有限公司自1997年創建以來，一直努力不懈地致力於各種軟管的研究與開發，已形成了機械加工，表面拋光、電鍍、裝配一條龍的專業生產體系，是目前國內最具規模的軟管生產工廠和出口基地。 -
When flux appears liquid and transparent on both tube and valve, start sweeping flame back and forth along axis of joint to maintain heat on parts to be joined, especially toward base of valve socket
當焊劑變成液態並且在管道和閥門上呈現半透明狀態時，開始將火焰沿著連接部件的軸線進行進退烘烤，以保持連接部件、特別是閥門套筒底座部位的熱度。 -
I first introduce the importance and the basic situation of the steel tube ends testing ; then explain the flux leakage theory, which is the base of the design of the testing flux leakage system
在本文中首先討論了端頭檢測的研究現狀及其意義，然後研究漏磁檢測的基本原理，這是端頭漏磁檢測系統設計的基礎。 -
Presented in this thesis is a model test of the arch ribs segment with concrete filled steel tube ( cfst ) of maocaojie bridge, which is located in the yiyang of the hunan province and provides the engineering base for the test
本文以湖南省益陽茅草街大橋為工程背景，進行了茅草街大橋主拱圈鋼管混凝土拱肋拱頂1 ： 5節段模型試驗。 -
A mortar team consists of as many people as is necessary to carry the mortar tube, base plate, traversing & elevating mechanism, and ammunition
迫擊炮組人員構成視需而定，主要進行搬運炮管、底座、炮架和瞄準具及炮彈。 -
On the base of summarizing and reference to the achievement of uhf complete solid - state high - frequency power amplifier abroad, the author have made a deep research in uhf 10kw electron tube tv transmitter power amplifiers which are widely used inland, and asked for ideas of a lot of engineers of chongqing tv transmitting station, brought forward a practicable solidification scheme under the guidance of prof. gao chao and prof. guoyongcai, and made a successful practice at chongqing tv transmitting station
筆者在總結和借鑒國內外有關uhf全固態電視發射機高頻線性功率放大器研究成果的基礎上，對目前國內電視發射臺普遍採用的uhf10kw電子管電視發射機高頻線性功率放大器進行了深入研究，並廣泛徵求重慶電視發射臺工程師的意見，在重慶大學高潮教授和郭永彩教授的指導下，提出了切實可行的固態化改造方案，並在重慶電視發射臺實踐成功。 -
Counting tube base and counting tube holder up to 3 kv ; principal dimensions
3kv以下的計數管座和計數管托架.主要尺寸 -
Golden dragon group is the most advanced base for precise copper tube material research, development and technology innovation, as well as the largest precise copper tube producer
金龍集團是中國最具有實力的精密銅管材料科研開發與技術創新基地和世界最大的精密銅管生產企業。 -
When flux appears liquid and transparent on both tube and valve, start sweeping flame back and forth along axis of joint to maintain heat on parts to be joined, especially toward the base of the valve socket
當管道和閥門上的焊劑都變成液狀和透明時，則開始沿著連接軸向前後來會掃著火焰，保持連接部件的溫度，特別是閥門承插口底部的溫度。 -
With the development of doping technology, the formation of the base region in high - voltage transistor can be made by b diffusion technology, b - a1 paste - layer diffusion technology, close - tube ga - diffusion technology and open - tube gallium - diffusion technology
隨著摻雜工藝的不斷發展，高反壓晶體管基區的形成經歷了擴硼工藝、硼鋁塗層擴散工藝、閉管擴鎵工藝到開管擴鎵工藝的發展。 -
At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency
在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。 -
The research and prediction of relative elongation of thick - walled tube without mandrel by open - die cold extrusion is the base of the design of tube parts and special equipment
摘要對于無芯棒開式冷擠壓厚壁管件的相對伸長量的研究與預測是設計開式冷擠壓管類零件反其專用設備的依據。 -
Tube valves ; metal base valve 60 bent for bicycle tubes
內胎氣門.自行車內胎用的帶金屬座的60度彎氣門 -
Tube valves ; rubber base valve 60 bent for bicycle tubes
內胎氣門.自行車內胎用的帶橡皮底座的60度彎氣門 -
The calculation method for optimum design of the bellows tube heat exchanger and its application base are provided
闡述了波節管換熱器優化設計的計算方法，為波節管換熱器的應用提供了理論依據。 -
The structure characteristic sand control is in charge of being protected tube, base managing, internal and external network, filtering
結構特點防砂管由保護管基管內外網過濾層等組成。
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