相轉化聚合 的英文怎麼說

中文拼音 [xiāngzhuǎnhuà]
相轉化聚合 英文
phase inversion polymerization
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 轉構詞成分。
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 轉化 : 1. (轉變) change; transform 2. [化學] inversion; conversion
  • 聚合 : 1 (聚集到一起) get together2 [化學] (單體結合成高分子化合物) polymerization; polymerize 3 [生...
  1. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明:有機硅物-丙烯酸酯梯度膜有一個較寬的玻璃變溫區,玻璃變范圍對組分材料的玻璃變范圍發生了擴展:有機硅物-甲基丙烯酸酯梯度膜具有較好的熱學性能;硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  2. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋對稱性、衍射效率以及旁瓣分佈) ,通過比較三種形狀位元(等邊三角形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位元結構的隨機位板更適於激光變中的束勻
  3. The results of these early research work showed that rna polymerase iii transcription was localized in the nucleoplasm. however, with the development and the application of new technologies since 1990s, the controversy arose on the transcription sites of rna polymerase iii. in recent years, more and more scientists presumed that rna polymerase iii transcription might not occur in the nucleoplasm but in the nucleoli

    自上個世紀八十年代初期,人們繼運用細胞學染色、電鏡放射自顯影等進行研究的結果表明: rna酶的錄發生在核質中,但隨著新的研究技術的發展和應用,人們卻發現rna酶的錄可能發生在核仁中,從而對早期的研究結果提出了質疑。
  4. This thesis uses combination of qualitative and quantitative methods, and combines questionnaire survey, participant observation and depth interview. in the range of a community, it describes specifically transformation of local people ' s producing and living patterns, changes of their ideology, customs and habits, social transformation and cultural adaptation in their migration experience, and keeping of community cohesion. then it sums up laws in eco - migration

    與以往的研究不同,本文採用定性研究和定量研究的方法,將問卷調查、參與觀察和深度訪談,在一個社區范圍內,對移民搬遷后,人們的生產生活方式的變、思想意識和風俗習慣的變、移民所經歷的社會變遷和文適應、社區凝力的維持等進行詳細論述進而總結規律。
  5. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;移膜中主要含有較多的石墨、少量四氟乙烯、 moo 。
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦方式下,振蕩光模尺寸、最佳輸出耦率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自焦透鏡耦小功率ld泵浦nd : yag激光器和透鏡組耦高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  7. Based on knowledge reasoning, fuzzy theory, extraction of sub - assembly and cluster, and hierarchical connection relation graph, an assembly sequence generation algorithm is studied in this paper, which breaks down the original complex assembly sequence generation problem into several small scale assembly sequence planning problems to reduce the computing complexity caused by cut - set theory. a hierarchical and / or graph to store all the generated sequences is also employed for this purpose

    本文提出基於知識推理及模糊理論,結子裝配與族提取以及裝配樹,利用層次聯接關系圖,將一個復雜的裝配序列求解問題為若干個關的小規模裝配序列求解問題,並用一種層次與或圖結構存儲裝配序列,使割集法求解裝配序列的計算復雜度大大降低。
  8. The polymer - supported catalysts were used in different kinds of reaction, such as ion - exchange resins, polymer - supported phase transfer catalysts, polymer - supported acid catalysts, polymer - supported base catalysts, polymer - supported metal catalysts, polymer - supported biological catalyst and so on

    介紹的物固載催劑有6類,包括離子交換樹脂催劑、物固載的移催劑、物固載的酸催劑、物固載的堿催劑、物固載的金屬催劑、物固載的生物催劑等。
  9. In this article the chelating precipitation method and the converting precipitation method were chosed to synthesis zno nanoparticles on the basis of the theory of synthesis of nanoparticles by precipitation. uniform and dispersed zno nanoparticles were prepared by the two methods because zn2 + of conformation crystal was flee slowly and the supersaturation was well controlled. the problem which zno nanoparticles are wide size and agglomerative was solved

    本文根據均沉澱法成納米粒子的原理,採用絡沉澱法和沉澱成納米氧鋅。這兩種方法利用溶液中的構晶陽離子zn ~ ( 2 + ) ,緩慢地釋放出來,有效地控制了溶液中的過飽和度,可以得到粒徑均勻、分散的納米氧鋅,解決現有制備工藝中納米氧鋅粒徑分佈寬、易團的問題。
  10. Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process

    結果使基質和復物的制備在比傳統的固反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成;五、對基質及復物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流阻抗譜表徵,研究結果表明:在溶膠向凝膠的過程中同時存在著正硅酸乙酯自身的作用和檸檬酸鹽絡物之間的作用:干凝膠向產物粉體的在400600c之間進行;基質li 。
  11. This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away

    本論文主要包括三個方面的研究內容: ?氯乙烯( cpe ) /壓電陶瓷( pzt ) /氣生長碳纖維( vgcf )復材料; ? cpe /雙[ ( 2 -羥基- 3 -環己基- 5 -甲基) -苯基]甲烷( zkf ) / vgcf復材料; ? cpe基有機小分子混雜型復材料cpe / pzt / vgcf減振復材料:利用壓電和導電填料填充高物基體,當復材料受到機械振動時,通過高物基體將機械振動能傳遞到壓電陶瓷粒子上,利用壓電陶瓷的壓電效應,將機械能換成電能,則電流在導電粒子產生的迴路中流動,由於導電迴路具有一定的電阻,所以電能又變成熱能耗散掉,從而起到減振的目的。
  12. The soils and sediments organic matter ( som ) are highly heterogeneous and comprise various complex organic macromolecules such as humus, kerogen, black carbon ( bc ), etc. the relative abundance, characteristics and structure of these som play a important role on the global carbon cycles, global change, transformation and fate of the organic and inorganic pollutants, the soil fertility

    土壤和沉積物有機質是高度非均質的,包括許多復雜的有機高分子物如腐殖質、乾酪根、碳黑等。這些有機質的對含量,性質和結構對全球碳循環,全球氣候變,有機和無機污染物在自然界的遷移、和歸宿,土壤的肥力等有非常重要的影響。
  13. The chiral compounds synthesized in the project have an unsaturated double bond, which can be mixed with polymerizable nematic liquid crystal compounds, and the resulting mixture can be polymerized to form an optical film having cholesteric liquid crystal texture

    具有可基之旋光性物可添加於可型向列型液晶單體中,成具有膽固醇、反射特定波長之光學薄膜,且較少用量之高螺旋扭力性質之旋光性物即可配出特定螺距之膽固醇液晶紋理。
  14. The results revealed that the essential condition occurring brittle - tough transition in such ternary system was l ? lc ( ? 0. 095 ? m ), and the effect of above factors on the impact behavior followed percolation mechanism which indicated that it was some reasonable using lc as single parameter criterion of brittle - tough transition of pp / eoc / caco3 composites. the micro - deformation model at different dispersing morphology was then proposed

    首次將物復材料脆韌變機理的定量研究從二元體系拓寬到三元體系,對ppffioc aco3體系的配方進行設計,制備得到高剛性高韌性低成本的丙烯復材料, eoc和cvco3的體積份數之和為25v (其中彈性體為10v 。
  15. Phase inversion polymerization

    相轉化聚合
  16. After years of hard work, the company has actually passed the initial stage of growth and is developing towards the stage of standardization from the stage of concentration the company ' s objective has also changed from existence and growth to the increase of market shares, the expansion of notability and stable development

    經過幾年的艱苦奮斗,公司實際上已經度過了創業階段,正在從階段走向規范階段。公司的目標也從生存、成長向擴大市場、擴大聲望、穩定發展變,應的集權程度也應該由個人集權向有控制的分權變。
  17. The author of this article thinks it significant to choose to investigate into the rural family aged supporting pattern in southern mountain areas of anhui province as a sample to get detailed revealment of china ' s current aged security in rural communities where people once lived closely around their clan. most southern part of anhui once belonged to huizhou, a historical area with tight clan domination and a strong tradition to support old family members. taking the mountain village zhaitan located in jixi, one southern county of anhui, as a specific research example, the author tries to give a detailed analysis and description of the changing process of the family support pattern accompanied by conflicts and current possible policies to choose in rural communities of similar traditional background

    並以具有同社區文傳統,同時可耕地少、勞動力移程度較高、村民較為富裕的績溪宅坦古村社區為具體剖析個案,在借鑒已有關研究成果的基礎上,主要運用人類學、現象學社會學的日常生活分析法和政治學的焦點事件分析法,詳細揭示皖南山區農村家庭養老模式的變遷過程及這一過程中的矛盾、沖突以及現階段所面臨的新選擇,並在尊重社區傳統的基礎上,就整與建構現階段皖南山區宗族居農村社區新型家庭養老模式,提出自己的見解和對策。
  18. The important research is about the theory and methods of the cluster analysis in view of statistical theory, the theory and methods of fuzzy cluster analysis, the fkn " s structure and the fkn ' s study algorithm ( fkn, fuzzy kohonen network ) - the organic fusion of the fuzzy c - means algorithm and self - organized feature map neural network. the paper proposes the ifkn ( improved fkn ) on the basis of the hard classification idea and the soft classification idea, then carries on the cluster analysis of the artificial synthetic control chart time series through matlab program and tt ? cluster result matches the cluster result of the famous dataengine " s software of the intellectual data analysis and data mining from german mit company. finally, the paper discusses the applying of the cluster analysis to the control process, which can be widely applied to the pattern recognition of the parameter " s changing trend during the control process and the image partition processing, and utilizes the ifkn to recognize the thermotechnical parameter " s changing trend based on the engineering of clinker sintering rotary kiln automatic control system of guizhou " s aluminium factory, through which good effect is obtained

    數據挖掘技術在商業領域中已廣泛使用,然而在工業過程式控制制中的應用卻極少,本文正是在這種背景下,對數據挖掘中的類分析方法及其在工業過程式控制制中的應用研究作了償試,重點研究了基於統計理論的類分析理論和方法,模糊類分析理論和方法及模糊kohonen網路( fkn )的結構與學習演算法,即模糊c ? ?均值演算法與自組織特徵映射神經網路( kohonen網路)的有機融,並根據硬分類思想及軟分類思想提出了改進的模糊kohonen網路( ifkn ) ,通過matlab編程對人工成控制時序圖數據集進行類分析,其類效果與當今廣泛使用的數掘挖掘軟體平臺,德國mit公司著名的dataengine智能數據分析和數掘挖掘軟體的類效果當,最後,論述了類分析在控制中的應用,它可以用於過程式控制制中的參數變趨勢的模式識別及圖象分割處理等具體應用中,並以貴州鋁廠熟料燒結回窯自動控制系統為工程背景,利用ifkn識別其熱工參量變趨勢,取得了較理想的效果。
  19. With this initiating system, the number - average molecular weights of the obtained polymers increased in direct proportion with monomer conversion, and the molecular weight distributions ( mwds ) were narrow throughout the reactions ( 1. 31. 4 )

    將該體系應用於甲基丙烯酸丁酯的反應,所得物的對分子質量分佈窄( 1 . 3與單體率呈線性關系。
  20. Rna polymerase synthesizes the three largest rrnas, 5. 8s, 18s and 28s rrna. rna polymerase mainly produces mrna encoding proteins, and rna polymerase makes 5s rrna and trnas, as well as a few small nuclear rnas. the transcription sites of the polymerases have been studied since early 1980s

    在細胞中它們的功能各不同: rna酶負責催成5 . 8s 、 18s和28srrna , rna酶主要負責mrna的成,而rna酶則負責催5srrna 、 trna 、多數的snrna以及某些病毒基因(如va基因)等的錄。
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