篩分性能 的英文怎麼說
中文拼音 [shāifēnxìngnéng]
篩分性能
英文
size characteristic-
This paper made a research on effects of n - butyl alcohol as auxiliary in traditional mesoporous zeolite synthesis system
摘要研究了在傳統的水體系下,將少量正丁醇引入介孔分子篩合成體體系做助劑對介孔分子篩合成及其物化性能帶來的影響。Whole machine with simply structure, crush room and material feeder for easy clean and dismantle. the touching parts of material, all adopt stainless steel, to acid endurable, erosion endurable. the machine with balance operation, low noise, good effects on crush and low energy consumption
本機有加料機構及粉碎機構組成,結構簡單,清洗方便,與物料接觸部分全部採用不銹鋼製造,能耐酸、堿侵蝕、噪音低、效果好、能耗低、粉碎刀片可四面更換,並可根據物料的不同性能及粗細通過更換篩網布獲得理想的效果。Series of screen - bohou adopt large amplitudes, big intensity of vibrations, flexible screen surfaces, the motion parameters characteristics of adjustable amplitudes ; the unique structural features of " board of screen active, box inactive, unattached vibration of the screen surface " ; though segmented, multi - segments of screen surface jointed, large - scale of screen equipments can be realized, the advantages of large area, big handling capacity and no special requirements to the water of materials make the screen to be the best screen equipments used for the small wet materials
簡介:博后篩系列採用大振幅、大振動強度、彈性篩面、振幅可調的運動參數特點;及獨特的「篩板振動、篩箱不振動、各段篩面獨立振動」的結構特點;經分段、多段篩面組合,實現了篩分設備大型化,大面積、大處理能力的優勢及對物料水分的無特殊要求,是潮濕細粒難篩物料的最佳篩分設備。Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate
有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性,同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點,是一類很有潛力的靈巧材料,並且可以根據目標反應的要求進行分子設計和優化篩選,在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心,可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。Chemical analysis methods and determination of physical performance of alumina determination of the fine particle size distribution less than 60 m - method using electroformed sieves
氧化鋁化學分析方法和物理性能測定方法小於60 m的細粉末粒度分佈的測定濕篩法Nuclear energy - measurement of environmental radioactivity - air - radon 222 in the buildings : methodologies applies for the screening and for the complementary investigations
核能.環境放射性的測量.空氣.建築物中的氡222 :篩分和補充檢查的方法In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures
由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用,再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性,使其對水、極性分子及可極化的分子具有高選擇的吸附性能。The screening experiment of material combination was carried out for kudingcha drink, and the best material combination was chosen mainly according to sensory evaluation and the determination of chemical composition and physical properties. the results show that, when kudingcha gynostemma pentaphyllum makino wulong tea = 10 10 80 and the ratio of tea water is 1 120, it is more beneficial to the improvement of organoleptic quality and keeping - fresh during the process and storage of kudingcha drink
為開發苦丁茶飲料提供依據,通過設置不同的原料組合,採用以感官審評為主,結合測定茶湯化學成分和物理性狀的方法,對加工苦丁茶飲料的原料配伍進行了篩選.結果表明,採用苦丁茶、絞股藍、烏龍茶的質量比10 10 80配製,以1 120的茶水比進行浸提,有利於改善苦丁茶的感官品質及其飲料加工、貯藏中的保鮮性能We educed the principal factors that led the young seedling of lilium tsingtauense population to die were imputed to the serious drought during l ~ 2years old, and the deficiency of soiar light in the communities, as well as in weaker intrinsic resistance to unthvorable environmental conditions
環境篩分析得出,導致青島百合種群幼齡個體死亡的內在原因是其較弱的抗逆性和適應能力,外在原因是嚴重的乾旱和水澇、群落內的光照不足及外界干擾。Effects of crystal size of zn zsm 5 and pretreatment conditions on the aromatization of propane
5分子篩晶粒大小和預處理條件對丙烷芳構化性能的影響( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合,制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上,測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑( 13x ,硅膠和活性炭) 。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。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。Similarly, the impact strength is increased about seven times than that of the pure mc nylon6. mcm - 41 is also used as the filler material for pet. the effects of mcm - 41 on the crystallinity and the rate of crystallization are obtained
首次提出將孔性材料介孔分子篩mcm作為結晶改善劑名于聚對苯m甲酸乙m酯中,研究它對pet的結晶速度和結晶差這兩方面結晶性能的影響。The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。This article proposed an idea of using nanometer science and technology to change the property of the grease. we added the nano particles into the grease, and dispersed them uniformly and stably, to make different products which contain kinds of content. we filtered more than 11 nano particles from the results of the long - time friction tests, and focused on three kinds of prescriptions which have outstanding performance
本文提出了利用納米科學技術對脲基潤滑脂進行改性的思路,將納米微粒添加到脲基潤滑脂中,進行均勻和穩定的分散,製成含不同納米微粒的配方,利用長磨試驗的結果,對11種納米材料進行了篩選,並研究了三種性能比較優異的納米微粒的摩擦學性能。Modification effect of non - skeleton elements on performance of zeolite catalyst
非骨架元素對分子篩裂化催化劑性能的調變作用Test method for determining the sieving performance of a fluid filter medium employing an aqueous suspension of microspheres and a spectrophometer
用微球體的含水懸浮液體和分光光度計測定液體過濾器篩分性能的測試方法Study on treating pyrite cinder with rotary kiln
分子篩及性能研究分享友人