耐光性能 的英文怎麼說
中文拼音 [nàiguāngxìngnéng]
耐光性能
英文
light fastness-
In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。4. hard maple : origin of north america and europe, wooden features : density 0. 49 - 0. 55g cm3, it is valued for its strength, beauty and resistance to wear. texture is fine with a uniform grain and a fairly clear white color. maple is best when left natural with a clear seal coating
木材特徵:氣干密度0 . 49 - 0 . 55g cm3材質軟, ,強度,韌性適中結構均勻,紋理直,木材堅固,耐沖擊力切割,膠粘和磨光性能良好,耐腐耐磨性良好。Coating ' s transparent and abrasive characters are measured by spectrophotometer and abrasion instrument and sway pole sclerometer. as a result, lacquer ' s abrasion - resistant performance improved 100 % adding 15 % nano - alumina. nano composite coating improved pmma base 2. 75 times
用分光光度計、耐磨儀及擺桿硬度計測定了塗料的透明性和耐磨性,添加15 %的納米al2o3 ,塗膜的耐磨性能提高了100 % ,納米復合塗料對底材有機玻璃的耐磨性能提高了2 . 75倍,可見光透過率在80 %左右。The effect mechanisms of temperature, acidity, concentration and velocity on the hydrolysis and deposition are also analysed. in order to evaluate the results of experiments and the quality of products, we also studied the performances such as color, dispersibility, lightfastness, particle sizes of some specifications pigments, and also constitute the method of measureing these performances
為了驗證評價試驗結果,並根據用戶對產品的質量性能要求,對雲母珠光顏料的顏色、分散性、耐光性、粒度組成等項質量指標對產品應用性能的影響進行了研究,並制定了相應的產品質量檢驗測試方法。The characteristics and mechanisms of the photooxidative degradation of oriental lacquer films are summarized. the methods of enhancing photostabilization of oriental lacquer film are also reviewed. prospects of improving photostabilization of oriental lacquer film are proposed
本文綜述了生漆的光氧化降解特性、光氧化降解機理的研究情況,以及提高生漆抗光氧化性能的改性方法和改性機理,並提出了改進生漆耐候性能的發展方向。As starter cultures, twelve strains of bacillus were screened for the manufacture of long - ripened douchiba from 40 strains isolated from naturally fermented douchiba samples at consecutive stages from qianxi and dafang of guizhou province, through comprehensive evaluation including extracellular proteolytic activity and lipidolytic activity, salt tolerance, ultraviolet light resistance, and antibiotic sensitivity
摘要從貴州黔西和大方兩地傳統陳窖豆豉粑不同工藝階段分離到的40株菌株,經胞外蛋白質和脂肪水解酶活力、耐鹽性能、抗紫外光照射和抗生素敏感性等綜合性能評價,篩選到12株芽胞桿菌可作為陳窖豆豉粑純菌發酵的選擇菌株。The luminaire shade adopts pyrex glass with high light transmission
玻璃罩材料為耐熱玻璃,透光性能好,光通量損失小。The lamp shade adopts pyrex with good light penetration and less penetration loss
玻璃罩材料為耐熱玻璃,透光性能好,透射損失小。Because of laser ' s transient heating and fast cooling on metal surface, laser cladding ceramic reinforced composite layer on titanium alloy surface can greatly improve wear resistance of titanium alloy
利用高能激光束對材料表面瞬間加熱和熔池快速冷卻的特性,在鈦合金表面用激光熔覆一層陶瓷增強復合材料,能夠顯著提高鈦合金的耐磨性能。Graphic technology. printing, printing inks and substrates. method of determination of fastness to light
印刷術.印刷印刷油墨和印刷受體.耐光性能測試方法Armatures coated by this machine will be characterized by its uniform thickness, smooth surface, excellent frontier covering feature, high insulated and surface quality
經本設備塗敷的轉子等工件塗層均勻,表面光潔,邊緣覆蓋率高,可達到很好的耐壓性能和表面質量。The transfer film make the surface more smooth and decrease the wear ratio greatly
認為轉移膜的形成令磨損表面更加光滑,有利於改善摩擦材料的耐磨性能。Anti - uv, high service temperature
優良的耐候,耐紫外光,耐熱性能Optical fiber grating sensors have been widely applied to key civil engineering for its excellent apperceive and anti - wear ability, however, nowadays the package and actual engineering application of optical fiber grating sensors cannot be realized without the macromolecule glue, the aging ability of macromolecule glue restricts the wear capability of optical fiber grating sensor, using metal - package technique without glue for optical fiber grating sensors can resolve these questions mentioned above
光纖光柵傳感器由於其優異的感知和耐久性能在重大土木工程檢測中得到了廣泛的應用,然而目前光纖光柵傳感器封裝開發以及實際工程應用時基本離不開高分子膠粘劑,而高分子膠粘劑「短命」的蠕變、老化等性能嚴重地制約了光纖光柵傳感器耐久性能的發揮,採用無膠金屬化的方法對光纖光柵傳感器進行封裝,可以避免上述問題的發生。Elements of electrical and optical connection - test methods - optical elements - fire resistance
電氣和光學連接元件.試驗方法.光學元件.耐火性能Lithograghy and its relative techniques play a very important role in mems fabrication processes, spin coating and baking are an indispensable working procedure before and after the lithography process. oven and hotplate are often employed in order to enhance adhesion between the film and the substrate, stabilize sensitivity of film and improve the abrasion resistance when the film touches a mask in contact exposure
均膠和烘乾是光刻工藝中不可缺少的一道工序,為增加膠層與矽片表面粘附能力,提高在接觸式曝光中膠層與掩模版接觸時的耐磨性能及穩定膠層的感光靈敏度,通常採用烘箱或熱板等加熱設備對光刻膠進行乾燥。With the hardness tests, it is indicated the hardness of the nano alumina or nano silicon carbide coating is improved to 1. 6 - 2. 5 times as that of the plasma spraying coating. with the wearing tests, it is indicated that low laser power employed, the wearing performance of the coating without nano material increase to 1. 3 times as that of the plasma coating, at the same time, the wearing performance of the coating with nano material increase 2. 3 - 6 times as that of the plasma spraying coating, the wearing mechanism is further analyzed. with the erosion tests, it is indicated that the erosion performance of the coating with nano material increase five times as that of the plasma spra
與相應等離子噴塗層相比,硬度測試表明,含納米al _ 2o _ 3或sic的各種復合塗層硬度提高了0 . 6 - 1 . 5倍左右;耐磨性測試表明,小功率下單純的激光重熔耐磨性提高了30 ,而納米滲入后塗層的耐磨性提高了1 . 3 - 5倍左右,對耐磨性提高的機理作了進一步的探索和分析研究;耐蝕性測試表明,經激光熔覆納米滲入后的各種塗層耐蝕性能提高了4倍以上,同時塗層厚度、表面質量對腐蝕性能有影響。Microstructure and wear resistance of co - based alloy coating on high temperature alloy by laser surface cladding
高溫合金激光表面熔覆鈷基合金塗層組織與耐磨性能Abstract : in this paper, the laser transformation hardening ( lth ) system which used for die and mould and laser processing methods are introduced. the relationship between depth of hardening layer, wear resistance properties and laser hardening processing parameters are dicussed. the results show that die ' s service life can be improved by using lth technology
文摘:介紹了用於模具表面的激光強化加工系統和激光強化工藝方法,討論了激光強化模具表面的硬化層深度和耐磨性能與激光強化工藝參數之間的關系,採用激光強化技術能大幅度提高模具的使用壽命。In this way, the smoothness and polishing performance, and abrasion - resistance of steel can be increased, so as to improve the service life
從而增加鋼材的光潔度和拋光性能,增加金屬的耐磨性,達到提高模具使用壽命?目的。分享友人