空間位阻 的英文怎麼說

中文拼音 [kōngjiānwèi]
空間位阻 英文
steric clash
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 空間 : space; enclosure; room; blank; interspace
  1. Kodak company describe the use of a solvent-stabilizer system comprising a class of sterically hindered phenols acting both as coupler solvent and stabilizer.

    柯達敘述了一類含有空間位阻酚類作為成色劑和穩定劑。
  2. Because of the interaction of urushiol chains and cus, the transformation temperature tg of hybrid - epu / cus was higher than that of epu. heat stability and solvent resistance were also improved. the interaction and network of urushiol chains were efficiency to inhibit the dimension of cus nanoparticles

    漆酚鏈段與cus之的作用,以及漆酚交聯網路的存在可有效止cus顆粒尺寸的增大,但漆酚交聯網路產生的空間位阻也在一定程度上降低了sz 」的擴散。
  3. It influences the miaow thiazole quinoline to lose slowly that the experiment is drawn the pharmaceutical loses slowly the factor of performance has temperature mainly, density, the membrane time in advance, and design many group ' s simulation systems for different influence of these three factors, is it is it should lose pharmaceutical to lose pharmaceutical slowly one positive pole type, lose performance is it is it form space location hinder after the membrane to absorb to come from mainly slowly slowly to appear to prove, thus isolated the carbon steel base body and corrode the medium

    實驗得出影響咪唑啉緩蝕劑緩蝕性能的因素主要有溫度,濃度,預膜時,並針對這三個因素的不同影響設計了多組模擬體系,驗證出該緩蝕劑是一種陽極型的緩蝕劑,緩蝕性能主要來自於吸附成膜后形成空間位阻,從而隔離了碳鋼基體和腐蝕介質。
  4. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機,本文提出一種基於六個離散置信號的自同步svpwm (電壓矢量法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓矢量的初始定抗角與電流超前角的合理選擇以及連續轉子置的估計等。
  5. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大和靈活隔斷要求,在高轉換層結構中採用迭層腹桁架結構.首先分析了其受力性能,得出了腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層移比、骨架曲線以及等效粘質力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議
  6. Abstract : synthesis of sterically hindered dicyclohexylmethyl 、 l - menthyl and tert - butyl diazoacetate by diazo transfer was described on this paper

    文摘:研究了用重氮轉移法合成具有較大空間位阻的重氮乙酸二環己基甲酯、 l -薄荷酯和叔丁酯。
  7. They were used as efficient lewis acid catalysts for esterification reactions of carboxylic acids with alcohols to afford corresponding saturated esters with 87 % ~ 98 % yields and unsaturated and tertiary ones with 90 % ~ 94 % and 54 % ~ 68 % yields, respectively

    結果表明,該有機錫化合物是合成酯的優良催化劑,產品收率高,飽和一元羧酸酯的收率為87 % ~ 98 % ,對不飽和羧酸酯和空間位阻大的叔醇酯也能得到較滿意的收率,分別為90 % ~ 94 %和54 % ~ 68 % 。
  8. Dense of structure and development of final properties were benefited from retardation of hydration. in contrast, cement hydration process was controlled better by polycarboxylate superplasticizer than the other three superplasticizers owing to its stereoscopic action. and its adaptability to cement was better, by which the cement particles were

    相比之下,聚羧酸鹽高效減水劑由於其良好的空間位阻效應,能夠使水泥顆粒呈完全分散狀態,與其他三種高效減水劑相比可有效控制水泥水化歷程,與水泥適應性較好。
  9. Rule 7 : buy at support. sell at resistance. trend has only two choices upon reaching a barrier : continue forward or reverse. get it right and start counting your money

    在價格創新低第一次反彈的時候沽交易者習慣于測試支持/。和這些交易者相伴會讓你錯過第一時乘上通向財富之門的船。
  10. The two peptides are connected with the three amino acid after the analysis of the software on the predication of the protein structure to avoid the interference hi the space

    利用現有蛋白結構預測軟體進行分析避免空間位阻,然後在兩個小的肽鏈之加上起連接作用的3個氨基酸。
  11. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例尼結構分析時產生的誤差,引入狀態對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例尼結構設計的雙反應譜方法;對于耗能器的數量和置優化進行了一些探討和研究。
  12. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放中突然出現的時變電場(移電流)是脈沖電磁波輻射的根本原因.文中還對局部電加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  13. This distributor use small space. has more distribute hole, little gas resistance, low pressure drop, wide operation flexibility

    該氣液分佈器更低,氣體通道開孔率更大,氣流力小,壓降低,操作彈性范圍大。
  14. Mini touch products : apply to cell phone, digital camera, high technology mini products of electric wire part, have long life - time, low electric resistance, easy install, no hold the space

    微型接觸件產品:適用於手機、數相機等高科技袖珍產品的電源部分,具有高壽命、低電、易裝置、不佔等特性。
  15. Moreover, template can be pre - designed according to the size and shape of objective materials. microgels are cross - linked latex particles with narrow size distribution and the inherent steric stability

    微凝膠是一種交聯型的膠乳粒子,它具有較窄的尺寸分佈和空間位阻作用。
  16. Poor thermal stability as a bottleneck has limited the development of liquid crystal photo - alignment technique. the intrinsic reason is that the photosensitive polymer has large space resistance and decreases the reaction degree of the directional photo - polymerization. the effective solution is focused in the increase of orientational order of photo - alignment film

    光控取向技術瓶頸問題是穩定性差,其根本原因是光敏高分子空間位阻太大,定向交聯的反應度太低,有效解決方法應是降低,提高定向交聯度和取向膜分子鏈段的有序度。
  17. These are 1 ) the case of an inversely impacted permanent maxillary incisor secondary to a supernumerary tooth, and 2 ) the case of severe root dilacerations of a horizontally impacted incisor with midline deviation, severe space deficiency and congenital absence of bilateral mandibular lateral incisors

    第二個病例是一十一歲六個月的女孩,他的左上顎正中門牙因為牙根大角度彎曲,造成水平生,同時合併有喪失,中線不正,嚴重不足及雙側下顎側門牙先天缺牙等問題。
  18. The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction

    進行了帶縫心剪力墻結構六層樓房的1 3模型的擬動力試驗,研究了結構在水平地震作用下的受力特點、變形特徵、破壞形態等力學性能;得到了結構在不同受力階段的頻率、尼、反應譜等動力特性變化規律;討論了結構各樓層的水平移、層移、地震力、加速度放大系數及構件應力分佈規律等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部;提出了多層帶縫心剪力墻結構的第一階段設計方法和相應構造措施。
  19. This statement was inspired by the white house ' s own national space policy, which declared that the us should have unimpeded supremacy in space, and will undermine other great powers from usurping this freedom

    他的發言與白宮國家安全方針是一致的,白宮過去宣稱美國在的領先地是不容超越和止的,任何試圖超越這種界限的力量都將被摧毀。
  20. On the basis of the calculating of complexity ( c value ) and combination entropy ( h value ) from the numerical method of geoanomaly analysis, logged signals data ( spontaneous potential, acoustic slowness, spontaneous gamma ray and electrical resistivity ) and seismic data ( amplitude, frequency, phase, etc. ) are processed after regularization of data obtained from linqing basin of shengli oil field. many types of geoanomalies obtained from the computation are analyzed so the spacial variation rules of them can be discovered. then the oil regions can be predicted by this method

    本文創新性地將地質異常概念引入油氣勘探領域,以地質異常理論為指導,以勝利油田臨清坳陷油氣地質異常預測研究為例,針對我國陸相含油氣盆地的常規測量、測試和解釋數據,如與地震相關的數據(振幅、頻率、吸收系數、層速度等) 、與測井相關的數據(自然電、聲波、視電率、自然伽馬等)等,提取不同數據類型的地質異常以及異常組合特徵,通過對這些參數的綜合研究分析其變化規律,系統地建立有效預測油氣藏的新技術和新方法,進而達到區域油氣資源預測的研究目的。
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