扇段 的英文怎麼說
中文拼音 [shānduàn]
扇段
英文
sector-
With the selected outgroup - chlamys farreri, the phylogenetic trees suggested that zhejiang population has differentiated. 3. in pb - pa and y1 - p0 families of argopecten irradians, 12 and 10 rapd primers were selected, which
在海灣扇貝pb - pa與y1 - p0家系中，分別篩選出12和10條引物，其擴增出的產物在雙親中呈現多態的片段。Rapd ( random amplified polymorphic dna ) technique was used to study the genetic structure and genetic differentiation of the natural population and the hatchery stock of chlamys farreri. amplifications with 20 10 - base primers under predetermined optimal reaction yielded 153 reproducible amplified fragments ranging from 200 to 3000bp. the mean proportions of polymorphic amplified fragments of natural population and the hatchery stock were 73. 2 % and 70. 6 % respectively, and the mean hetreozygosities of them were 0. 27 and 0. 26 respectively
在對20個野生櫛孔扇貝和20個養殖櫛孔扇貝的基因組dna的檢測中， 20個隨機引物共擴增出153條清晰可分辨的dna片段，片段大小在200 3000bp之間，其中野生種群和養殖群體多態性片段分別為112和108條，多態位點比例分別為73 . 2 %和70 . 6 % ，雜合度分別為0 . 27和0 . 26 。On the east terrace - fault slope of the depression, the sedimentary mode of fan - shaped delta - slump turbid fan - deep lake facies are developed. on the long axial direction of fula depression, the southeastern groove was filled with a large scale delta which was the main sources, the other little delta limited by the 3 syndepositional fault was distributed down the slope edge of the northern sub - depression. this stage developed a favorable oil sources, reservoir and regional seal which formed the good matching relations of generation, reservoir and seal in the time - space zone
Abugarbra組的sc和sd層序發育在邊界斷層和同沉積斷層活動劇烈、湖盆擴張期，凹陷中心發育半深湖-深湖相沉積，在凹陷陡坡發育近岸水下扇，斷階緩坡帶發育扇三角洲?滑塌濁積扇?深湖相組合，長軸凹槽和北部次凹的北部緩坡帶發育三角洲體系，此層位是有利生油層和巖性圈閉發育層段。From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。The characteristic of shehejie group of tertiary gritstone fan body in wangzhuang area of dongying depession
3段扇三角洲砂礫巖體沉積特徵分析The study area is composed of sandstone & conglomerate reservoir of alluvial fan & fan delta, which belong to sha3 lower member and sha4 upper member of lower tertiary of yong " an town oilfield in dongying depression. the target stataum develops in the hanging wall of the synsedimentary fault in the scarp zone of dongying depression. the frequently intense movements result in the variation of sandstone and conglomerate reservoir and the evolution of the time and space of sha3 lower member and sha4 upper member in yong " an town oilfield
研究區是東營凹陷永安鎮油田沙三下段、沙四上段的沖積扇和扇三角洲砂礫巖體，目的層發育在東營凹陷陡坡帶同生斷層的下降盤，因斷層多期強烈活動，導致永安鎮油田沙三下段、沙四上段的砂礫巖體成因類型多，時空演化變化大，在扇根一帶小層對比難度大，給油田開發帶來很大的難題，在這種背景下進行流動單元研究難度更大。Fan delta deposits of sha - 3 and sha - 4 members at oligocene shahejie formation at yong 921 area in the north of dongying depression
東營凹陷北部永921地區漸新世沙三段和沙四段扇三角洲沉積There are 5 depositional systems in the region. they are panne and jishan delta systems coming from chengning heave near the northwest border of the region, shuangfeng delta located in southwest part of the region coming from luxi dome, qudi fan - delta located in the southeast of the studying area and the sub - fan near fault or fan - delta of the southern part of the region. based on the study of sedimentary facies and depositional systems, 11 lithological traps are predicted
在等時地層格架內對沙三段各中期基準面旋迴內的沉積相和沉積體系進行了詳細研究，確定了沙三段沉積時期發育的五種沉積體系類型，即來自凹陷西北邊界埕寧凸起的盤河三角洲體系和基山三角洲體系、來自魯西隆起、分佈在凹陷西南部的雙豐三角洲體系、東南部的曲堤（扇）三角洲體系，南部的近岸水下扇/扇三角洲體系。The reservoir rocks of the subaqueous fans in the western segment of the steep slope zone of northern dongying depression, shandong
東營凹陷北部陡坡帶西段水下扇體儲集層特徵In the victoria park improvement project currently under phased construction, a pole - top lantern and a ventilation fan, driven by the electricity generated from solar panels, have been installed in 2001
正在分階段進行的維多利亞公園改善工程，在2001年已經安裝了太陽能供電的燈具和抽氣扇。Compared with the 5. 8s complete sequence of the snail arion rufus, its1 and its2 regions were recognized and combined for analysis. from sequence observation, it showed that the zhejiang sample has more inserted sites and fragments while the sequences of other three are nearly all the same. the average g % + c % of the four individuals was 46. 8 % while the zhejiang sample ' s was 48. 3 % and the other three ' s were all about 46. 2 % ; ts / tv and genetic distance mainly lies between the zhejiang sample and the other three individuals, which were 0. 8 and 0. 07 respectively
用於比較的序列長約350bp ，觀測一級結構，加拿大、墨西哥灣扇貝和美國二代個體的its1和its2序列幾乎完全相同，而浙江個體則具有較多的插入位點與片段； 4個個體平均g + c含量46 . 8 % ，其中浙江個體為48 . 3 % ，其它3個個體均為46 . 2 %左右；轉換顛換比與遺傳距離主要存在於浙江個體與其它3個個體之間，分別為0 . 8和0 . 07左右；以櫛孔扇貝作外群構建的分子系統樹表明：浙江群體已產生了一定的分化。Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered
文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合The main conclusions are as follows ; firstly, under the influence of three phases of episodic activities, three two - order sequences is composed of three depositional cycles and three regional unconformities ; secondly, under the control of structure activities such as fault - block activities and the influence of three - order climate cycles and source recharge, lower cretaceous can be divided into six three - order sequence ; thirdly, because fault activities is weak and fault slope is gently, fan deltas exist in steep slopes in early and later stages and subaqueous fans exist and turbidite fans exist in troughs in middle stage
主要的結論為：其一，受三期幕式活動影響，斷陷形成了3個大的沉積旋迴和3個區域不整合面，構成了下白堊統3個二級層序；其二，受斷陷內翹傾和塊斷等構造活動的控制，以及三級氣候旋迴和物源供給因素的影響，下白堊統劃分出6個三級層序；其三，在單斷斷陷湖盆中，湖泊階段的早、晚期由於凹陷邊界斷層活動較弱，斷面較緩，陡坡可以發育扇三角洲，在湖泊階段的中期主要為水下扇砂礫巖體，並在窪槽區發育濁積扇。By adjusting many variable geometry components of the engine, bypass ratio can be changed during large range ( the most 0. 25 of military fighter ). the high specific thrust characteristic of turbojet engine and the low specific fuel consumption characteristic of the turbofan engine can be realized during different flight phase by the usage of vce technology
變幾何變循環發動機是應用於第四代多用途戰斗機的理想動力裝置，通過多個部件幾何的調節在較大范圍內改變涵道比，能夠使發動機在不同航段分別實現渦噴發動機的高單位推力性能和渦扇發動機的低油耗性能。Glutenite sedimentary characteristics analysis taleogene period of es3 4 fan delta in wangzhuang area of dongying depression
東營凹陷王莊地區古近紀沙河街組三段扇三角洲砂礫巖體沉積特徵分析Lowstand fans and lowstand wedges formed in lowstand system tracts of sq5 and sq6 ( that is damoguaihe formation ) and deep water turbidite fans deposed in late trangrassive system tract and early highstand system tract are the major reservoir with good physical characteristics
層序5和層序6 （相當于大磨拐河組下段）低水位體系域沉積的低水位楔和低水位扇及水進晚期、高水位早期出現的深水濁積扇具有良好的儲集物性，也是主要的儲集層。Slab ccm segment suspension system design
板坯連鑄機扇形段吊裝更換系統的設計Fan deltas distributed in gently slopes and braided river deltas develop alternately in all stages
在整個湖泊階段，緩坡的扇三角洲和辮狀河三角洲砂體交替出現。Information technology - data interchange on 90 mm flexible disk cartridges on 10 mbyte capacity using sector servo tracking - iso type 304
信息技術.容量為10mbyte的用扇段伺服跟蹤的90mm盒式軟盤上的數據交換. iso 304型分享友人