非極性基 的英文怎麼說
中文拼音 [fēijíxìngjī]
非極性基
英文
nonpolar group-
The nonpolar segments of surfactants include straight-chain and branched alkyl groups.
非極性表面活性劑鏈段包括直鏈和支鏈的烷基。The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist
我國現行規范gbj7 - 89將這兩者分開考慮,其計算地基承載力設計值的公式是根據彈性地基中應力分佈及土的極限平衡狀態理論為依據而得出的,求地基的沉降變形時則視土體為彈性,這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非線性、彈塑性存在一定的偏差。At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。Harmonized detail specification for fixed tantalum capacitors - porous anode, solid electrolyte - cylindrical insulated non - insulated metallic case, polar hermetic seal, axial terminations - basic plus additional assessment level
固定式鉭電容器詳細規范.多孔陽極固態電解質.圓形絕緣非絕緣金屬外殼極性密封軸向終端.基本附加評定級Standard test method for measurement of thickness of anodic coatings on aluminum and of other nonconductive coatings on nonmagnetic basis metals with eddy - current instruments
用渦流儀器測量鋁陽極鍍層及其它非磁性基底金屬絕緣鍍層的厚度標準試驗方法Based on the philosophy of capacity design, the formulas of overstrength of coupled - shear wall were established to offer the theoretical references for the evaluation on the seismic performances of the shear - wall structures designed by current building codes based on bearing capacity method under severe earthquake, which has been proved correct by the results of nonlinear full range analysis
摘要基於能力設計原理,建立了聯肢剪力墻結構極限承載力的超強計算公式,為按現行規范以承載力設計的剪力墻結構評估其在罕遇地震下的抗震性能提供理論依據,並結合實際工程中剪力墻的計算和非線性分析結果,證明了本文方法的正確性。Buried zener - based references are frequently used for 12 - bit, 14 - bit, and higher resolution systems because the performance of the buried zener - based references can be extended by incorporating nonlinear temperature compensation networks into the design
在設計中使用非線性溫度補償網路,掩埋齊納二極體基準的性能可以進一步提升,因此掩埋齊納二極體基準經常用於12位、 14位和更高解析度的系統中。Our main conclusions are that surface polar interaction can give rise to a transition from a high temperature homogeneous alignment to a low temperature hometropic alignment, that if the strength of the surface polar interaction is weaker than the one of surface dispersion interaction, the homogeneous alignment of the nematic is always stable. part ii : a two - particle cluster theory is presented to study the effect of a solid bounding surface on the nlcs formed by polar molecules
獲得的重要結論是:摩擦基板與液晶分子間的表面極性相互作用能引起基板間向列相液晶分子指向矢出現高溫沿面到低溫垂面的轉變;當表面極性作用強度弱於表面色散作用強度時,基板間向列相液晶分子平行於基板的排列非常穩定。The estimation of frequency offset is based on pilot symbols and non - pilot symbols. this paper also discusses some parameters in the method and gives the way of compensation. to get the estimation method of doppler spread width, we model the rayleigh channel based on the conclusion of gans ’ spectrum analysis based on clarke model
其中頻偏估計採用一種基於導頻符號和去極性非導頻符的方法進行估計,並通過試驗環境驗證了此方法,並確定了這個方法中的參數的取值,在此基礎上介紹了本系統中的頻偏補償方法。The contribution to the giant resonances from the currents of vector mesons are also examined, it shows that currents of vector mesons play an important role in collective giant resonances. by studying the properties of collective multipole excitations of nuclei, a general conclusion is that those effective lagrangians recently developed can well describe not only the nuclear ground state properties of finite nuclei, stable and unstable ones up to the nuclei drip lines, but also the collective excited states and giant resoancnes in doubly closed shell nuclei
通過對核的電多極巨共振性質的研究,我們發現現有的這些非線性的有效相互作用不但能夠很好地描述有限核的基態性質,包括球形和變形核以及遠離穩定線核,而且對一些雙滿殼核的集體激發態和巨共振性質也能進行合理地解釋,包括巨共振峰的位置和中心能量。At first, the character of millimeter wave and frequency multipliers in millimeter wave band is introduced. based on the principle of harmonic frequency extraction in nonlinear device, we present the avalanche diode high order frequency multipliers in w band
利用雪崩效應中強烈的非線性電感特性,基於非線性器件諧波提取的思想,對倍頻器電路進行了優化模擬,採用雪崩倍頻二極體研製了w波段雪崩高次倍頻器。By considering a play - dough object, topologists discover which properties of the object are so fundamental that they exist independently of its geometric structure
拓撲學家藉由研究黏土物體,發現它們有一些非常基本的性質,這些性質極為基本,以至於和其幾何結構毫不相干。Nonpolar solvent with little dielectric constant has good effect to the rate of the reaction, while larger polar solvent without h ( superscript + ) also can increase the rate of the reaction
可以知道對甲醇羰基化這一反應,在極性溶劑中,極性較大且為非質子型的溶濟能顯著提高反應的速率;非極性溶劑中,介電常數較小的溶劑能增加反應速率。The mechanism of the surface change has beenstudied by the xps, sem, contract anglemeasurements. we discuss the roles of the tree main fators playing in the fiber - resin adhesion, and their relation to plasma parameters. the three main factors ars the key mechanical effects, the chemical bonding effcts and nonpolar dispersion force
表面粘接性能改善的原因是:由表面引入的多種含氧基團引起的化學鍵力和界面非極性分子色散力,由表面刻蝕坑引起的界面機械鉸鏈力。它們對界面的粘接強度的貢獻隨參數而改變。Nonpolar filler are used in reversed phase chromatographic system, of which, octadecylsilane chemically bonded silica is most commonly used, sometimes, octyl chemically bonded silica and other types of chemically bonded silica ( such as cyano chemically bonded phase and amino chemically bonded phase, etc ) are also used as well
反相色譜系統使用非極性填充劑,以十八烷基硅烷鍵合硅膠最為常用,辛基硅烷鍵合硅膠和其他類型的硅烷鍵合硅膠(如氰基硅烷鍵合相和氨基硅烷鍵合相等)也有使用。In the packing of amphiphilic molecules, like units of the molecules interact with each other, i. e., the polar units associate with each other ; likewise, nonpolar unites associate to form hydrocarbon layers in the lamellar packing
在層狀相中雙親分子的堆積類似於分子單元間的相互作用,即極性基團與極性基團締合形成親水層,而非極性基團之間締合形成疏水層。Study on flotation reagent of multi - non - polar radical compound
含復式非極性基團浮選藥劑研究During the accelerated thermal aging and ultraviolet radiation aging of pmma which is used as the core materials of fiber in pof, it was found that the relative permittivity of pmma decreased significantly to approximately equal to its square refractive index
摘要實驗中觀察到用作塑料光纖纖芯材料的純有機玻璃(聚甲基丙烯酸甲酯)在加速熱老化和紫外老化過程中其相對電容率急劇下降至大約等於其折射率的平方,即有機玻璃由極性聚合物變為非極性聚合物( 「全去偶極子極化」現象) 。Our goal is to establish a simple and effective empirical approach to calculate the conformational entropy and the binding free energy by analysis of j : protein interface. three variables of the binding interface information of 20 protein complexes, including the binding accessible number ( nb ), hydrophilic pair ( n ^, ) and apolar solvent - accessible surface areas ( & asaapol ) are analyzed
本論文在此分析了20組蛋白質二聚體分子的結合界面三個有效的參數信息,即界面殘基側鏈可接觸數( n _ b ) 、親水對數( n _ ( pair ) )和非極性溶劑可接近表面積的變化( asa _ ( apol ) ) 。This is because they have inclusive between the polar groups of nylon and organo - mmt ( ommt ). however, pp is a kind of non - polar polymer with mmt being difficult to realize complete intercalation and exfoliation. therefore, the domestic research about the pp / mmt nanocomposites were still little
這是由於尼龍的極性基團與有機化蒙脫土的極性基團之間具有相容性,而聚丙烯( pp )是一種非極性的聚合物,與蒙脫土不易實現完全的插層剝離,因此國內關于pp蒙脫土納米復合材料的研究還鮮有報道。分享友人