無功能孔 的英文怎麼說
中文拼音 [wúgōngnéngkǒng]
無功能孔
英文
non functional hole-
The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
本論文以開發無機?有機復合納濾膜為出發點，首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜；選用聚乙烯醇和聚酰胺為表面功能層材料，分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑，採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜；以均苯二甲酰氯、哌嗪和二胺為單體，採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜，並對影響膜性能的諸多因素進行系統研究。Pomegranate contains rich organic acids, vitamins c & b, proteins, calcium, phosphorus, potassium and other mineral substances, can deliver a large amount of oxygen to the basal layer of skin tissues, help regulate the skin grease secretion, improve the cell respiration, skin resistance and detoxifying capability, remove skin toxins that block up pores, shrink flared pores, leave pores pure again, present the skin with perfectly smooth touch, bright tone and natural, youthful brilliance
石榴中蘊含的豐富有機酸、維生素c & b ，蛋白質及鈣、磷、鉀等礦物質，能將大量氧氣帶到皮膚組織底層，幫助肌膚調節油脂分泌，煥發細胞呼吸，提升皮膚抵抗力及排毒功能，排清阻塞毛孔的皮膚毒素，收細粗大毛孔，讓毛孔回復純凈無污染狀態，肌膚觸感完美順滑且膚色明亮，展現自然青春光彩。Innovation of the aero maintenance system based on augmented reality ( ar ) technology and eye tracking technology, which can give real - time instruction for maintenance, is vital for enhancing the accuracy of maintenance and reducing the cost of maintenance. in the paper, the study work include 3 sections, as following : firstly, deducing 3d registration algorithm based on markers, depicting the display and 3d display technologies of artificial matters, and realizing 3d registration function specifically ; secondly, establishing an eye - movement measurement system based on the infrared television method, making use of the thoughts of ranks superimposition to withdraw the pupil center coordinates, and giving the thaught of recombining the position relation of purkinje spot to determine the eye sight direction primarily ; finally, describing the basic theory of augmented reality maintenance guiding system in detail, and introducing the software function and hardware frame, which will provide the foundation for the further study of this system
本文的研究工作主要包括以下三個部分:首先，改進了有標志點的三維注冊演算法，並具體實現了三維注冊功能，最後試驗驗證了注冊演算法的正確性，為將來基於無標志點的發動機維修誘導系統的研究提供基礎和實踐經驗;其次，描述了基於紅外電視法的視線跟蹤系統的基本原理，對眼動信號處理技術做了初步的研究，即利用了行、列疊加的思想提取了瞳孔中心坐標和普爾欽（ purkinje ）斑點的坐標，闡述了結合瞳孔中心與普爾欽（ purkinje ）斑點的位置關系進行初步判定視線方向的方法;最後，詳細描述了所構建的增強現實維修誘導系統的基本原理、軟硬體框架，為今後維修誘導系統的深入研製提供基礎。The preparation of functionalized mesoporous molecular sieves were introduced, which are including the formation of the acid active sites, redox active sites and used the support for immsobilizing enzyme catalysts by heteroatomic substitution ; the formation of polymerization active sites, acid active sites or chiral catalysis sites by the organic - inorganic graft ( or hybridization ) ; as the carriers, the transition metals, transition metal oxides and acid catalysts are supported
摘要介紹了介孔分子篩經雜原子取代，引入酸功能、氧化還原功能；經有機無機嫁接（雜合） ，引入聚合催化功能、酸催化功能、手性催化功能；經修飾的介孔分子篩，用作固定化酶催化劑的載體；作為催化劑的載體，用於負載過渡金屬及其氧化物和制備負載化的固體酸催化劑。The problems and shortage of previous reinforce and protection materials used for porous relics were understood on the basis of completely overview to their structure characteristics and property, to the influence factors, deterioration characteristics of the cultural object, as well as evaluation methods. on the other hand, the structure feature, special characteristics and the viability assessment in cultural relics of fluorinated polymers were proposed in this paper. so, a possible research way, including the synthesizing of fluorinated polymers, the completely and systematically study of the polymers in the reinforcing of cultural object, and final application to true cultural object protect, was proposed
本文對多孔文物結構特點、風化條件和特徵以及目前國內外的相關文物加固保護材料及表面封護材料的種類、性能、應用條件、保護效果、評估方法等全面系統的綜述，對多孔質無機文物保護材料存在的問題或缺限有了進一步的了解；通過含氟聚合物結構特點、獨特的性能、研究進展及含氟聚合物在文物保護應用中的可行性分析，提出了從文物特點、保護原則及要求出發，合成多功能的含氟聚合物，全面系統地研究這些聚合物在多孔文物中的保護效果，並應用於真實文物保護的可行性研究思路。At forty i no longer suffered from perplexities. " it could be interpreted that one cannot be free from perplexities and earthly troubles without soul searching for another ten years even if success is already in hand
孔夫子說"三十而立，四十而不惑" ；可以理解為成功之後，還須求索十年，方能達到無惑的境界。Since the novel m41s mesoporous materials ( particularly mcm - 41 ) was firstly reported by mobil ' s researchers, much attention has been paid to this kind of materials. they have not only larger surface area, uniform pore structure and huge pore volume, which can reduce bottleneck phenomenon in molecular diffusion, but also higher mechanically and chemically stability as new inorganic materials. these materials have been widely used as catalysts, sorbents and separation materials as they were synthesized firstly
介孔材料作為一種新型功能材料，由於其具有較大的比表面積、長程有序的孔道結構、較大的孔容、良好的擴散性能和能夠減小分子擴散中的瓶頸效應等特點，以及作為無機材料所具有的機械和熱穩定性，所以自1992年mobil公司開發研製了以mcm - 41為代表的m41s系列介孔材料以來，被廣泛應用於催化、吸附和分離等領域。分享友人