元素對偶 的英文怎麼說
中文拼音 [yuánsùduìǒu]
元素對偶
英文
pair of element-
The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn
在對漏磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對象，分析了各因素對缺陷漏磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵，得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋，宜用漏磁分量bx作為缺陷識別的特徵量。Based on this point, our aim to obtain the high performance materials should be carried out as well as the er behavior be actualized through the chemistry design. in this paper, 4 supramolecular complexes of - cyclodextrin inhydrosoluble polymer / l - ( 2 - pyridlazo ) - 2 - naphthol, 6 hydrosoluble - cyclodextrin polymer / 3 - hydroxy - 2 - naphthoic acid, 2 - cyclodextrin - starch resins and 6 supramolecular complexes of - cyclodextrin - starch copolymer / substituted salisylic acid and 3 - hydroxy - 2 - naphthoic acid er particles were prepared, respectively. the structure of these particles was characterized by ir, nmr, uv - vis, the fluorescence analysis, element analysis, and etc, respectively
在本項研究中，分別制備了4種不溶性-環糊精聚合物及其與1 - （ 2 -吡啶偶氮） - 2 -萘酚構築的超分子配合物、 6種水溶性-環糊精聚合物及其與3 -羥基- 2 -萘甲酸的超分子配合物、 2種-環糊精澱粉樹脂及6種-環糊精澱粉共聚物與取代水楊酸、 3 -羥基- 2 -萘甲酸形成的超分子配合物顆粒，通過紅外光譜、熒光分析、元素分析、電子吸收光譜及核磁共振譜等對它們的結構進行了表徵。3. short delay 4long in service 1. the sensor is made from thermocouple of class andthe sheath is made of alloy anti - hydrogen and sulfur, which extremely reduce hydrogen, acid and sulfur corrosion to thermowire and also avoid temperature drift
1傳感器採用級鎧裝熱電偶，且外殼選用耐氫硫的合金材料，極大的減少了氫酸硫元素的對偶絲腐蝕，避免溫度漂移。This dissertation concentrates on the difficult problems that the pipeline or pipe defects are not estimated or evaluated quantitatively, intelligently by mfl ( magnetic flux leakage ) inspection method. from the practical demand, theoretical analysis and experiments or testing, the mfl inspection technology of pipeline or pipe defects are explained, summarized in detail in the whole paper, at the same time, the relationship between the mfl field distribution, the mfl signal shape and the defect geometry or severity, the analysis of the mfl data and the compensation of influencing the relationship factors, signal feature extraction, intelligent recognition of defect parameters and so on are studied systematically
論文針對管道（鋼管）缺陷漏磁檢測定量化、智能化的難題，緊密結合檢測現場實際需要，通過理論分析和大量實驗，系統分析總結了管道（鋼管）缺陷漏磁智能檢測技術，並在缺陷漏磁場分佈以及缺陷漏磁信號與缺陷外形參數間的關系、缺陷漏磁信號分析、漏磁信號影響因素補償、缺陷漏磁場波形特徵提取和缺陷外形尺寸定量識別等方面進行了深入研究，主要成果和創新如下：引出磁偶極子模型近似分析常見缺陷漏磁場，針對磁偶極子模型的不足，將有限元方法應用到缺陷漏磁場分析，實現了常見管道樣本缺陷漏磁場的模擬。4. based on the partition of equivalence classes, the resolving of linear equations and the calculation of the dual basis, three methodologies are proposed to determine the algebraic representations of coordinates of finite field elements with the elements themselves as the variable
4 、基於等價類的劃分、線性方程組的求解和標準基之對偶基的計算，提出了域元素分量代數表達式的三種求法。The study on the core - shell particles shows, one extrenity of silane coupling agents at the surface of the composite particles after adding aps are connected with the fe particles. and the other extrenity outside can polymerize with the active silica. the slick and compact surface of the composite particles shows the obvious core - shell structure. the surface of the composite particles are composed of the combined apex of the element si, o, c, h. the element o is superfluous to the element si
對納米復合鐵粒子研究表明，在aps改性的鐵納米粒子表面硅烷偶聯劑氨基一端連接鐵粒子，另一端對鐵粒子外面，能與活性硅聚合。鐵納米復合粒子顆粒表面光滑緻密。核殼復合粒子表面主要由si ， o組成，伴隨著微量的c ， h元素的峰，核殼復合粒子表面氧對硅有富餘。It is a1so referred to the nlo liquid crystal polyurthanes and the system of nlo liquid crysta1 polymer briefly. fchrmore, the possibility of combining the nlo polyurthanes and lcpu is also discussed based on azobenzene compound, whch own liquid crysta1line mesogenic unit and nonlinear opical wht togethel a series of polyurethanes with two kinds of diisocyanates were synthsized with azobenzene compounds which we prepared beforehand. the azobenzene compounds were charaterized and confirmed by ftir, " h - nmr, uv - vs, dsc, and elemeni analysis
本文第一章簡介了液晶的有關基本概念；綜述了聚氨酯液晶的研究進展，並著重總結了聚氨酯液晶的合成方法和影響聚氨酯液晶形成液晶相的因素；介紹了非線性光學聚氨酯液晶，對非線性光學聚合物液晶體系也作了扼要的闡述，指出利用含有既是液晶基元又是非線性光學單元的偶氮基團的化合物合成聚氨酯液晶，實現兩者結合的可能性。分享友人