簡單聚合體 的英文怎麼說
中文拼音 [jiǎndānjùgětǐ]
簡單聚合體
英文
simple paradigm- 簡 : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 體 : 體構詞成分。
- 簡單 : 1 (不復雜) simple; uncomplicated; plain; simplicity 2 (平凡 多用否定式) commonplace; ordinary...
- 聚合體 : aggregate
- 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...
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It is impossible, of course, to focalize the sunlight within the human body, so we have to use a kind of high - energy high - penetrability ray such as gamma ray. meanwhile, focalization of gamma ray, not as simple as that of magnifier, should be based on comprehensive utilization of various modern technologies such as nuclear physics, computer, bioradiology and electromechanism
當然,要想在人體內聚焦,用太陽光線是不可能的,而必須採用具有穿透力的高能射線如伽瑪射線同時,要讓伽瑪射線聚焦也不像放大鏡聚焦那樣簡單,而要綜合利用核物理計算機生物放射機電等一系列現代技術才能實現。3. introduced the principle of phase - match and the optics characters of ktp 、 lbo and other nonliner crystrals, demonstrate the optimal focusing conditions. based on a detailed analysis, ktp and lbo are selected as shg and thg cystal, respectively
3 .簡單介紹相位匹配原理和非線性晶體的選擇介紹了一些紫外晶體的光學特性,並闡述了光束的最佳聚焦條件,經過分析和綜合評價,選擇了ktp和lbo分別作為倍頻晶體及和頻晶體。Let us consider the most simple reaction scheme for the radical propagated polymerization of a single monomer.
讓我們考慮一種單體聚合中自由基增長的最簡單的反應圖式。The prepn. of dimethyldiallylammonium chloride monomer and the related polymers was summarized, and the use of the derivatives in text, dyeing and printing as antistatic, color fixing and flocculating agents were presented
摘要簡述了二甲基二烯丙基氯化銨單體及其相關聚合物的制備方法,介紹了聚二甲基二烯丙基氯化銨及其衍生物產品在紡織印染行業中作為抗靜電劑、固色劑和絮凝劑的應用。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,以空間相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,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、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,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率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轉;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化規律,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 。Molecularly imprinted polymer can be used to highly selective separation and enrichment of trace analyte in complicated biological, medicine and environmental samples because of its characteristics of high selectivity, chemical stability, easy preparation, so the application of molecular imprinting technique in sample pretreatment was especially remarkable
分子印跡聚合物具有選擇性高、穩定性好及制備簡單的特點,可用於生物、醫藥、環境樣品等復雜基體中痕量分析物的高選擇性分離與富集,因此在樣品前處理中的應用特別引人關注。In order to make the mgb more easy - operating, ultrasonic testing simula - tion software was designed and developed, which has a good user - oriented interface and can simulate easily the inspection fields of planar transducer, focused transducer and angle beam transducer. it also can help inspectors analyze the inspection procedures and predict the feasibility of actual ultrasonic testing, then choose suitable inspection parameters. the side - drill hole and flat - bottom hole are commonly used in ultrasonic
為了使多元高斯模型使用更加方便,本文設計並開發了基於多元高斯聲束理論的超聲檢測聲場模擬軟體,該軟體具有良好的圖形用戶界面,操作簡單,可方便地實現直探頭、聚焦探頭和斜探頭的檢測聲場模擬,可幫助檢測人員進行檢測過程的分析及結構件的可檢性預測,並選擇合適的檢測工藝參數。A monte carlo model was developed for simulating the adsorption behaviors of linear macromolecule chains on the solid - liquid interface. the simulations were performed on a simple cubic lattice, which was 50 50 50 sites in size. the concentration profiles of total segments, tails and loops in dilute solutions were used to analyze the influences of simulation parameters ( body concentration, interaction energy between segments, adsorption energy of interface, and macromolecule chain length ) on various adsorption configurations
本文採用montecarlo方法構造了水溶性均聚鏈狀高分子固液界面吸附模型,在50 50 50簡單立方格子上模擬研究了高分子稀溶液中鏈節濃度、鏈尾和鏈環分佈,並結合真實高分子鏈的吸附行為,討論了模擬參數(鏈節間相互作用能、界面吸附能、體相濃度與鏈長)對各種吸附構型分佈、吸附量、表面覆蓋度和附著分數的影響。Plastic logo line is a combination of a series of single machineries, which has been rationally designed according to pvc ' s specialties of droppable, moldable and fast - molding, and becomes a semiautomatic production process, it ' s easy to operate and is used in a variety of products, such as color labels or trademark, tags, decorations, and sealed cushion for bottle cap, etc
滴塑產品生產線是由一系列單機組合而成的整體,它根據pvc (聚氯乙稀)糊狀樹脂的可滴性、可塑性、快速成型的特性作出合理設計,形成半人工半自動生產工藝,工藝之簡單,用途之廣泛,是生產各種色彩商標、掛標、裝飾品、瓶蓋密封墊等塑膠製品的理想設備。The particle size distribution exhibits two peaks due to the different pulverizing efficiency on the two polymers. besides, pan - milling mixing can compatibilize the two polymers in - situ through mechanochemical reactions. viscosity analysis, thermal analysis and ft - ir experiments show that the tg of pp in pp / pa6 co - powder formed by pan - milling mixing and its thermally molded article increased a lot compared to that of pp in pp / pa6 simple blend
力學性能測試及形貌分析結果表明,由於磨盤碾磨混合作用在固相就對兩種聚合物進行了有效分散和就地增容,在特殊的加工溫度下,可得到與使用pp唱mah增容劑的共混體系相似的微相結構,分散相尺寸較簡單ppffiaAfter introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors
本文主要研究聚對苯乙炔( ppv )薄膜發光二極體發光效率及主要影響因素,簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv器件的結構和性質后,提出了一個計算器件發光效率理論模型,利用這個理論模型得出了發光效率公式的表達式:並對注入電流、復合效率等進行了數值計算,通過合理地選擇計算參數,發現計算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合,在此基礎上,對發光效率進行了數值計算和理論分析,結果表明:計算結果與理論研究結果相符較好,得出結論如下: ( 1 )本文的理論推導正確地反映了器件中載流子的注入、傳輸和復合等基本機制; ( 2 ) ppv薄膜中的電致發光是激子復合的結果,發光效率受多種因素影響。According to such an idea, we propose a new retrieval method that combines xpath and vector space model, named as the vector retrieval model based on xpath. secondly, we make full use of the hierarchical architecture of xml data, and analyze the structure of every document to construct a structure thesaurus, which is designed to navigate the user query and to eliminate the structural conflict
根據這一思想,作者提出了將xpath語言與傳統的向量空間模型相結合,實現基於簡單xpath路徑的向量檢索演算法來實現對xml文檔的檢索。充分利用xml文檔分類層次體系結構的特點,對于每篇xml文檔分析其文檔結構,並採用聚類學習演算法形成文檔結構類屬詞典,從而實現xml文檔查詢的導航機制和消除文檔結構的異構性。Moa is kind of necessary over - voltage protector for safety running in electrical power system, it ' s used for prevent the equipment against the damage of atmosphere and operating over - voltage without gaps is belong to the third dynasty product, it ' s recognized as the up - to - data over - voltage protector, this kind of product is made up of zinc oxide films and polymer housing for example sr, epdm, hdpe it has features of small volume, simple structure, light height, pololution - prool and non - detonation and is suitable to be usde in the densely populated city
避雷器是電力系統安全運行不可缺少的過電壓保護產品,用以保護電器設備免遭大氧過電壓和操作過電壓的損害,而復合外套無間隙氧化鋅避雷器是屬于避雷器第三產品,是當今各項性能最好的產品,其核心元件電阻片全部採用氧化鋅閥片,而外殼材料是採用復合有機材料,如硅橡膠( sr ) ,改性三元乙丙橡膠( epdm )高密度聚乙烯( hdpe )等,它具有體積小,結構簡單,重量輕,耐污積強,防爆等優點,最適合人口密度城市中使用。The synthesizing process can be finished in a single kettle. not only technology is very simple, but also the reaction time is shortened, therefore, the production efficiency is obviously increased. the general performances of modified melamine resin superplasticizer jd can be furthermore improved by compounding amino - arylsulphonate phenol formaldehyde condensate superplasticizer hpp
使用廉價的活性單體尿素取代三聚氰胺單體以降低高效減水劑的生產成本,並將取代量提高到了目前最高水平17 ;合成在一個反應釜中完成,工藝簡單,反應時間縮短,提高了生產效率;本文通過物理改性的手段,即復配氨基磺酸鹽高效減水劑hpp ,可進一步改善改性密胺樹脂高效減水劑的綜合性能。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