pdms 中文意思是什麼

pdms 解釋
產品數據管理系統
  1. Therrnogravimetric analysis at heating rates 5, 10, 15 and 20 c / min was used to study the decomposition kinetics of the pdms / pma ipn in ni and in air by using tg and dtg, and the upper limit of the temperature was 700 c. it was found that ipn began to decomposite at 350 c. the process of the thermal degradation was multiple steps, the curve of the rate of thermal decomposition had two peaks, one of which lied between 400 c ~ 420 c and the other lied between 500 c ~ 540 c, the result corresponded to the components of ipn

    在熱分解動力學研究中，通過在兩種氣氛中，分別以5 、 10 、 15和20 min四種升溫速率條件下，採用tg - dtg聯動測試， ipn材料在350開始熱分解。熱分解速率存在兩個峰值，一個分解峰值在400 420之間，另一個在500 540之間，這與ipn結構中包含兩組分相對應，同時發現當緩慢升溫時，特別是在空氣氣氛中，兩個分解峰減弱，熱分解趨向於一個連續過程。
  2. In asia pacific, it is 2d layout then " pdms modeller " transfer to 3d and some company it is for show ( some companies )

    在亞太地區，一些公司是這樣的，做好二維平面布置，然後通過pdms建模的人裝入三維中。
  3. Based on the architecture of pdms ( product data management system ) for cpd ( concurrent product development ), the paper explores the relationship of ce and pdms, the mode of pdms - based cpd, the function frame and architecture of web - based pdms, the connotation of cpc ( collaborative product commercial ), the architecture and key - tech of windchill solution. some suggestions and methods are put forward. the smarteam - based pdms for steering system is put into practice

    本文以支持并行產品開發過程的產品數據管理系統的構造為研究背景，深入探討了并行工程與產品數據管理技術的關系、基於產品數據管理的并行產品開發的工作模式、基於web的產品數據管理系統的功能框架與體系結構、協同產品商務的內涵、典型平臺winchill解決方案的體系結構與關鍵技術等問題，提出了相應的解決措施和方法，並具體實施在基於smarteam的汽車轉向器項目產品數據管理系統中。
  4. At the same time, especially in air two peaks turned little and became a continuous process at low heating rate ( 5 c / min ). the residue was 15 % in air compared to 3 % in n2, because pdms turned into sio2 of solid state in air, but ds of gas state in na

    發現在氮氣氣氛中的殘留物重為3 ，而在空氣下為15 ，這是因為聚硅氧烷在氮氣中分解成環三硅氧烷揮發了，而在空氣中形sio _ 2 。
  5. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分子阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內，而研究常溫條件下的阻尼性能更具有重要應用價值，運用動態熱機械分析（ dma ）儀對ipn阻尼材料進行表徵，在5 180內對其損耗因子（ tan ）進行研究，發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn阻尼性能的影響較大，存在一個合理配比值，當pma與粘度為3300pa ? s的pdms之比（質量比）為1 . 17 ： 1 、交聯劑用量為1時， tan最大值為0 . 735 ，大於0 . 3的溫域差達到46 。
  6. Preparation and performance of pdms membranes for pervaporation desulfurization

    有機硅膜的制備及其滲透汽化脫硫的研究
  7. A mixture of three amino acids ( arg, gly, glu ) labeled with fluorescein isothiocyanate ( fitc ) was separated in pdms microfluidic chip, the separation voltage is 200v / cm, the separation time is less than 120 seconds ; according to ccd fluorescence images, two distinct physical processes - stacking and destacking during sample injection were studied qualitatively ; rhodamine b, a kind of temperature - dependent fluorescence dye, was used as probe to develop a temperature - fluorescence intensity equation, then temperature - color map in microchannels was constructed, and temperature trait in microchannels on the pdms microfluidic chip was analysed. according to the results, we conclude that the electric field applied to the pdms microfluidic chip should not exceed 400v / cm

    利用pdms微流控晶元對fitc標記的精氨酸、甘氨酸、谷氨酸混合物進行了電泳分離，分離電壓為200v cm ，分離時間不到120秒；通過拍到的熒光顯微圖像對電泳注樣過程中復雜的樣品分子積聚與解聚現象作定性的分析；以熒光染料rhodamineb為溫度熒光探針，建立了pdms微流控晶元上的溫度-熒光強度的關系公式，並利用matlab圖像處理工具箱構建出微流體溝道內的溫度色圖，對pdms微流控晶元的微流道溫度特性進行了分析，根據實驗結果，我們認為對于pdms微流控晶元來說，在進行需要外加電場作用的試驗時，外加電場不應超過400v cm 。
  8. Pdms - glass microchip used for performing dna hybridization reaction. has been fabricated and studied

    製作並研究了pdms晶元上的dna分子雜交反應。
  9. Biotin - avitin system ( bas ) was used to immobilize dna on the pdms channel compared to the direct immobilization methds. the hybridization reaction also has been examined between immobilized probe and target dna

    針對pdms新型材料，試驗了兩種dna分子的固定方法，確定了生物素?親和素介導的dna分子固定化方法，並使用此晶元和固定方法進行了晶元上的dna雜交反應。
  10. In this paper, interpenetrating polymer networks ( ipn ) based on polysiloxane ( pdms ) and poly ( methyl acrylate ) ( pma ) were prepared by using ma monomer and two types of pdms, which viscosities were 3300pa s and 7000pa s respectively. pdms was crosslmked by tetraethyl orthosilicate

    本論文制備了聚二甲基硅氧烷與聚丙烯酸甲酯的序列半互穿聚合物網路，其中聚硅氧烷為交聯結構，採用粘度分別為3300pa ? s和7000pa ? s兩個品種，聚丙烯酸甲酯為線性聚合物。
  11. Mass transfer kinetics of pervaporation in a thin - layer - flow module with a composite pdms membrane

    復合膜薄層流動膜組件中的滲透蒸發傳質動力學
  12. I believe the price is about us $ 20, 000 per seat for pdms plus yearly maintanence which is not outlandishly expensive for software of that caliber

    我想pdms價格在每個席位2萬美元左右，附加年維護費對于那樣水平的軟體不是出奇的昂貴。
  13. One of them, grafting copolymerization of polydimethylsiloxane oligomer with acrylate, was used to make a polyacrylate elastomer with improved compatibility to poly dimethyl siloxane ( pdms )

    採用tg呈梯度變化的聚丙烯酸酯單體共聚合的特殊分子設計，制得阻尼值均等的聚丙烯酸酯彈性體。
  14. The research on the effect of liquid - liquid transition of polyacrylate on crystallization - melting of pdms indicates that above the melting temperature of pdms, pdms is reinforced by a special mutual action between p - electron in carbonyl of polyacrylate and 3d orbit in si atom of pdms, while below the temperature, the pdms crystal is lessened, which can not completely remove the crystal of pdms. however, it is the crystallization behavior of pdms that results in its most segments relaxation being restrained

    研究聚丙烯酸酯液一液轉變對聚二甲基硅氧烷結晶一熔融影響的結果表明：碳基碳原子上p電子與出原於中3d軌道相互作用，在聚h甲基硅氧烷熔融轉變溫度以上，對其有分子增強作用；在聚二甲基硅氧烷熔融轉變溫度以下，霎對其有降低結晶度的作用，但不能消除結晶現象。
  15. Then a chemical precursor to pdms ? a free - flowing liquid ? is poured over the bas - relief master and cured into the rubbery solid

    然後把pdms的化學前驅物（一種可隨意流動的液體）倒在淺浮雕主片上，使它凝結為固體橡膠。
  16. Although the creation of a finely detailed bas - relief master is expensive because it requires electron - beam lithography or other advanced techniques, copying the pattern on pdms stamps is cheap and easy

    雖然得花上大筆金錢，才能以電子束蝕刻或其他高階技術製作出有精密細節的淺浮雕主片，但要復制pdms壓模的圖案卻是便宜又容易。
  17. One was fabricated by silicon using mems ( micro - electro mechanical system ) technology ; the other was fabricated by pdms ( polydemethylsiloxane ) through soft lithography, using magnetic beads to purify dna

    製作了兩類基於spe （ solidphasepxtraction ）法的dna提取晶元-硅晶元和磁珠吸附的pdms晶元。
  18. The phenomenon of pdms crystallization above - 120 ? disappears when methylphenylsiloxane is introduced to polydimethylsiloxane, where the segments are freed, tan 5 is raised and the tg even can be broadened to - 115 ?

    聚二甲基硅氧烷在低溫下的結晶，使其大部分鏈段的鬆弛受到阻礙，是pdms阻尼性能不高的主要原因。
  19. Discussed conditions and factors of synthesis of the polydimethylsiloxane - phenylsilsesquioxane with pdms and ptms. analyzed the character of the polydimethylsiloxane - phenylsilsesquioxane with ir 、 1h - nmr

    摘要探討了用羥基硅油（ pdms ）和苯基三甲氧基硅烷（ ptms ）合成聚二甲基硅氧烷梯形苯基倍半硅氧烷共聚物的反應條件，通過ir 、 1h - nmr確定了目標產物的結構。
  20. The reason was that pma was linear polymer and that the incompatibility of pdms and pma leaded microphase separation. additional, xps analyzed the three kinds of elements in surface and interior of ipn, the results indicated that the content of the elements c, si and 0 were misdistribution and different in surface as well as in interior of ipn. the reason was the poor compatibility of pdms and pma, and found that amount of initiator and the reaction rate effected the distribution

    另外，本論文還通過xps電子能譜儀對工pn材料的表層和內層的化學元素c 、 51 、 o進行分析，發現表層與內層中的三種元素的含量並不相同，也沒有規律可循，說明在形成ipn結構過程中，由於兩相相容性不一致，它們的微運動趨向于兩相分離，同時發現引發劑用量和反應速度對元素分佈影響較大。
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