順反構型 的英文怎麼說

中文拼音 [shùnfǎngòuxíng]
順反構型 英文
cis trans configuration
  • 順 : Ⅰ介詞1 （向著同一個方向） in the same direction as; with 2 （依著自然情勢; 沿著） along; in the d...
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 構型 : [物理化學] （分子空間結構） configuration構型分析 [物理化學] conformational analysis; 構型作用 [...
  1. An one - pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of zr juvenile hormone analogue series with high content of effective component

    以異脫氫乙酸乙酯與甲氧基香茅醛直接縮合為起點，將縮合、脫羧、異構化、 （順、反）異構體拆分等採用多步反應連續一鍋法的操作方法，成功地得到高有效含量的zr型保幼激素類似物。
  2. Whole cell c2d2 reduction by all four mutants comparing to wild type and ni / v mutant was also detected. the result showed that only single a - gln194 substitution did not perturb the stereospecificity of protonation of c2d2. the above comparing results indicate that in mofe protein ( 1 ) a a - gln190 site and its association with homocitrate are important for the transfer of electron / proton to femoco, while a - his194 site and the homocitrate are independent in h2 evolution

    對四個突變株細胞的c _ 2d _ 2還原特性及還原產物中反式-順式- 1 ， 2 -二氘代乙炔的比例進行了測定並與野生型及nifv突變株相比較，結果表明只有- gln ~ （ 194 ）替換不影響c _ 2d _ 2還原產物中反式-順式- 1 ， 2 -二氘代乙炔的比例，即未改變固氮酶還原c _ 2h _ 2加氫的立體構型的專一性。
  3. ( 3 ) ensemble character of structural planes as follows : in left dam abutment, meta basalt schistosity is main, and the structure is clockwise. low dip angle jointing did n ' t develop in rock mass ; in right dam abutment, rupture and jointing structural plane is main, and the structure is reversed. the structure was of obvious macroscopical slaty character

    （ 3 ）通過對上述結構面的分析，得出其總體特徵為：左壩肩以變玄武巖片理為主體，呈順向結構，巖體內緩傾角節理極不發育；右壩肩主要為斷裂及節理型結構面，呈反向結構，且具有明顯的宏觀板狀結構特徵，並發育有一定厚度的構造軟巖帶。
  4. At first, the attribute of knowledge node basic partial model in the whole model exactly expresses the basic character of content of knowledge node, therefore enable these knowledge node easily to be controlled for teaching. secondly, temporizing the trend of using database technology to design courseware, knowledge node partial model designed in this paper has a good structure, therefore it is possible to separate control from data

    該模型的合理性和優越性表現在以下幾個方面：首先，課件模型中的知識點基本模型的各項屬性反映了知識點的基本特徵，便於教學控制；其次，順應課件數據庫化的趨勢，本文設計的知識點模型結構良好，為數據與控制的分離提供了條件。
  5. Stratified rock slope mainly develops a group of alternative stratified joint. according to the angle ' s relation of joint and slope, it can be divided into three parts : horizontal, reversal incline and bedding slope

    根據結構面與坡面的相互關系，層狀巖質邊坡可分為水平坡、順向坡、反向坡等基本類型。
  6. Furthermore, the current research about body measuring and modeling is just for costume and military affairs, and pay more attention to the head dimension and shape. with the development of human nature during the manufacturing, body cad model is widely applied in industry design, ergonomics, engineering design, humanics research and iatrology research. the body cad model also can be the basic data for the design of respirator

    本文使用nurbs曲面直接擬合的方法對測量的點雲進行曲面重構，將系統的優化方法應用到nurbs曲面重構中，利用插值曲線對測量點雲進行分塊處理，解決用nurbs曲面擬合中曲面的光順與曲面與點雲的誤差之間的矛盾問題，使反求模型中各曲面片之間相互連接、光順過渡且能夠反映出人體頭部的細部特徵。
  7. Compared to the area of cereal, cash crop and vegetable in shunyi district with that of china, the proportion of cereal and cash crop area was at lower level, whereas the proportion of vegetable area is far more than that of whole china, indicating the characteristic of dominance situation of horticulture landuse in suburb of big city life breijing

    從種植業的糧、經、蔬三元結構與全國比較來看，順義區糧食作物和經濟作物比重偏小，而蔬菜作物的比例卻遠遠高於全國。這樣的土地利用格局反映了大城市郊區都市型農業用地以糧為輔，蔬菜、園藝為主的特色。
  8. Systemic research including the influence of the crown ether ring ' s symmetry, the size and the conformation on the liquid - crystalline behavior have been done in this paper. the synthesis way and method were improved. from the experimental results, it was found that : 1, compounds 2, 4, 16, 17 and 18 have liquid crystal properties

    優化和改進了合成路線及方法，對席夫堿型液晶冠醚，因取代基的大小、冠醚環的大小和冠醚環的對稱性以及不同結構的順反構型對液晶性能的影響等諸方面進行了較系統的研究，取得了一系列具有規律性的結果。
  9. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要，系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法： （ 1 ）在基礎演算法研究部分，提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法； （ 2 ）提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法； （ 3 ）提出了一種稱為「虛擬測量」的曲面模型處理方法。
  10. This paper first analyzes the characteristics on train working diagram of urban rail transit, on the basis of describing property on rail line of urban rail transit, this paper puts forward theory of two stations drawing and three stations drawing which taking the setting of vehicle depots as the core of the subject designs sequence and contrary advance calculating methods to calculate the train arrival and departure time at mediate station, and builds mathematic model on the train working diagram of urban rail transit taking same interval time of train traveling as the target function

    摘要在對城市軌道交通線路屬性進行數學描述的基礎上，以車輛段設置地點為核心，提出兩站圖及三站圖理論，設計分層順序和反序推點演算法計算列車在中間站的到發時刻，並以分時段列車等間隔運行為目標函數，構建城市軌道交通列車運行圖通用數學模型。
  11. Its main contents includes : ( 1 ) through studying in details the basic type and characteristic, slope constructions and its combination types of the area ' s rock soil, and putting forward to manage the measure reasonable, the context finds the result that this area ' s slope construction type is main dip slope, scarp slope and transverse slope. ( 2 ) before studied the stability of the highway slope, it must be knowing the transform and the failure mechanism mode

    其主要內容包括：通過詳細研究該區巖土體的基本類型及特徵、邊坡結構及其組合類型，並提出合理的治理措施，本研究區邊坡結構類型主要為順向、反向和切向三大類型。進行公路邊坡的穩定性研究，首先必須搞清邊坡的變形破壞機制模式。
  12. Based on guyed mast fem model of 4 - node space cable element and space beam element, the method to analyze along - wind induced nonlinear oscillation in the time domain is established, which breaks the traditional analysis in the frequency domain using stochastic theory on the linearization premise. and the results of imitation analysis reflect the essential character of guyed mast

    在將桅桿結構離散為空間四節點索單元和空間梁單元的計算模型的基礎上，提出了桅桿結構順風向風振響應的非線性時域分析方法，突破了傳統的用隨機振動理論對桅桿結構進行頻域分析的方法，模擬分析結果表明能夠反映桅桿結構的基本特徵。
  13. Now china has jointed wto, on this circumstance, the significance that the state council decided establish carve out board is very important, it is not only can create the way for the middle enterprises merge money, it also can accelerate the building of risk investment market. but the most importance significance is that it conform to the historic trend of world economic development, reflect the china inside need of economic structure regulation and new industrial economic risen

    在這樣的背景下，國務院決定建立創業板市場意義非常重大，它不僅僅是為新興中小企業創造直接融資的渠道，也不僅僅是推進風險投資市場建設，最關鍵之處在於順應世界經濟發展的新潮流，反映了中國經濟結構調整、產業轉型新經濟崛起的內在需求，其意義已經超越證券市場范疇。
  14. The tm and tj of compounds 18 ii and 16 ii which have the trans conformation is higher than those of compounds 18 i and 16 i having cis conformation

    化合物16和18中，反式構型的化合物16ii和isll的熔點和液晶態的清亮點均高於順式構型的化合物161和isi 。
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