環孔材 的英文怎麼說
中文拼音 [huánkǒngcái]
環孔材
英文
buttwood-
Cyclic pressing is a new kind of densification processing, which is introduced to densify as - deposited ring of al - 20 % si / sicp. this paper includes the densification result and rule of this technics. the research shows that this technics can be successfully used to densify spray - forming porous material and can be availably adopted to improve mechanical performance and microstructure. this technics is characterized by simple equipment 、 small expense and flexible process, and these characters will make it come true to producing spray - deposited rings less costly
本文採用一種新型緻密化工藝?楔壓工藝?對噴射沉積al - 20 % si / sicp大環進行了緻密化加工,採用密度硬度分佈、抗拉強度變化和檢測顯微組織變化的實驗研究方法對其緻密化效果及該工藝規律進行了研究,通過研究表明了楔壓工藝可以成功地用來緻密化噴射沉積多孔材料,該工藝有效地提高了噴射沉積大環件的緻密度和抗拉強度並改善了組織。When the solvent was pure 1, 4 - dioxane foams showed ladder - like structure and calcium phosphate besetted in the plla pore wall and has good combination. the size of conglomeration is only l ~ 5 m
溶劑為極性較小的純1 , 4一二氧六環時,材料具有梯狀的孔結構,鈣磷酸鹽鑲嵌在plla孔壁中,與pla結合情況較好,分散均勻,尺寸在1一5林m 。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。As a kind of special industrial raw materials, porous minerals and rocks have been playing more and more important roles in the environmental remediation materials and are arousing great interest among mineralogists
摘要具有多孔結構的礦物(巖石)作為一類特殊的工業原材料,在環境修復領域的應用前景正在成為研究熱點。This machine adopts one pair of rotating grinding blade to grind form damp material into column - shape granule by stainless steel sieve cylinder which is provided for pelletize in next process
本機是通過一組旋轉碾刀,將前道工序製成的濕材注入環碾刀的不銹鋼篩筒篩孔中,從而製成圓柱狀的濕顆粒,供下道工序拋丸使用。本設備可通過更換不銹鋼篩筒來取得不同大小的顆粒。Outholite skidproof fabric with high density is imported from atp company of usa. it is breathable and avoids midew forming in the middle layer due to the punched hole design. it is also shock absorbent to protect ankle
鞋墊高密度透氣的outholite防滑材料由美國atp公司提供,沖孔設計促進鞋內空氣循環,防止中間層黴菌的形成,特殊材料並具有吸震功能,有效降低腳部扭傷幾率。Aminated and hydroxylated polysulfone membranes were prepared by amination and hydroxylation reaction, respectively. then bovine albumin ( bsa ) - fixed membranes were obtained by crossed - linking albumin into porous membrane with 1, 1 ' - carbonyldiimidazole and bisoxirane reagents, respectively. a mathematical model for facilitated transport in asymmetric membranes with fixed site carriers was derived by assuming an instantaneous, microscopic concentraion fluctuation in the membrane
以氯甲基聚碸為基材,通過相轉化法制備出具有底部貫通孔的非對稱膜,通過胺化和羥基化反應,分別制得胺化聚碸膜和羥基化聚碸膜,再採用羰基二咪唑和雙環氧烷兩種活化試劑對其進行活化,將牛血清白蛋白固載在膜內,獲得固定白蛋白促進傳遞膜。The main popular theoretical method adopted to study end - plate connection is finite element technique under monotonic loading at present. this paper applies nonlinear ( material, geometry and contact ) finite element method to analyze the behaviors of connections under cyclic load at fist time. contact elements are set between end plate and column flange, screw cap and neighborhood plane, bolt bar and hole
對于端板連接的理論分析,目前國內外的研究主要局限在單向加載有限元分析范疇,本文首次採用三維非線性(包括材料、幾何與狀態非線性)有限元對端板連接進行了循環加載分析,端板與柱翼緣間、螺栓頭(帽)與相鄰板件間、螺栓桿與孔壁間都設置了反映邊界狀態的接觸單元。Based on the dimensions, structures, shapes of the pores and the surface components of the porous minerals and rocks, this paper has summed up characteristics of typical porous minerals and rocks such as attapulgite, montmorillonite, sepiolite, zeolite and diatomite, and evaluated their application as filters, sorbents, ion exchangers and catalysts in environmental engineering
本文從微孔的尺度、結構、形態、成分等表面固體特徵出發,概括性地論述了凹凸棒石、海泡石、蒙脫石、沸石、矽藻土等十幾種多孔結構礦物(巖石)在環境修復工程中用作過濾材料、吸附劑、離子交換劑和催化劑等材料時的基本特徵和使用時應注意的問題。Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料It is the propose of this paper to develop a method to reduce the noise level of ma60 apu without more weighting and other infection on airplane. to accomplish this object, a new type of micro perforated absorber is used
針對新舟60飛機apu本身的結構和環境特性,我們採用一種新興的環保型消聲材料-微穿孔板為上要吸聲結構完成降噪設計。This paper reviews the recent developments in the application of mesoporous molecular sieves in the fields of catalysis, biology fixation, adsorption, separation, preparation of nanomaterials and environmental protection, especially the desulfurization of gasoline prospects
摘要綜述了近幾年介孔分子篩在催化反應、生物固定吸附和分離、納米材料制備及環保等方面應用研究的進展,並對其在環保方面,尤其是汽油脫硫的應用前景做了展望。The pillared montmorillonites could be used as catalysis of molecular sieve and environmental materials for their good properties such as large surface area, adjustable pore structure, strong acid activation and so on
柱撐蒙脫石多孔材料因其具有比表面積大、孔結構可調且分佈均勻、酸活性高等物化性質而成為新型分子篩催化材料及環保材料。But calcium phosphate ceramic with high porosity is such brittle and low toughness that it ca n ' t fit to bone tissue engineering. in order to provide appropriate scaffolds for bone tissue engineering, calcium phosphate was combined with plla to prepare porous material
但磷酸鈣多孔陶瓷材料脆性大,在生理環境中的疲勞與破壞強度不高,尤其在濕環境下斷裂韌性很低,不能制得滿足組織工程要求的高孔隙率,力學性能較高的支架材料。Cell adhesion to surface of the substrate is essential to development of the anchorage - dependent cells. only after adhering to surface followed by spreading can cells develop and proliferate. most synthetic polymers used as orthopaedic matrix substitute present hydrophobicity, which may correlates to the low degree of cell attachment. modification with cell adhesion protein / peptides can be benificial to the cell adhesion on polymers and then affect the cell proliferation and differentiation. cell attachment to substrate is primarily mediated by integrins, a widely expressed family of heterodimeric surface receptors. most extrcellular matrix proteins such as fibronectin, osteopontin, collagen type i, bone sialoprotein and vitronectin contain an arg - gly - asp ( rgd ) sequence which is specific to the fixation of cell membrane receptors like integrin. the main aim of this research is to measure, assess adhesion, proliferation of rabbit marrow stromal cells ( mscs ) on the polymers coated by fibronectin, collagen type i or biotie gen, which includes : ( 1 ) biologic characteristics of rabbit mscs were observed by two types of separating method in primary culture. ( 2 ) adhesion, proliferation and differentiation of mscs cultured on polymers coated with biotiegen were assessed. ( 3 ) also, adhesion, proliferation and differentiation of mscs were assessed on plga film or porous plga substrates coated with fibronectin, or collagen type i respectively. ( 4 ) bone formation was observed on the porous plga substrates coated with collagen type i in vivo. this research aims to give new way to make novel synthetic bone with cell adhesion and high bone induction capabilities
因此將這些蛋白包被、固定到材料表面,觀察骨組織工程種子細胞mscs細胞的粘附、生長特性是本研究的中心環節,並從以下方面進行探討: ( 1 )採用不同原代細胞分離方法,研究其對mscs細胞的生物學特性影響。 ( 2 )檢測基因勝肽膠對mscs細胞粘附、增殖及分化的影響。 ( 3 )分別採用型膠原及纖維粘連蛋白( fibronectin , fn )包被聚乙醇酸-乳酸共聚物( poly ( 1actide - co - glycolide ) , plga )膜及多孔塊型plga材料,觀察細胞在單層或三維培養狀態下,型膠原及fn對mscs細胞粘附、增殖及向成骨細胞分化效應及能力。Feasibility of the porosity of demineralized and decellularized bone matrix annulus as tissue engineered scaffold of annulus fibrosus disci intervertebralis
脫礦脫細胞骨基質環孔隙度作為組織工程椎間盤纖維環細胞支架材料的可行性The method was making bone lacuna artificially in rabbits " condyles, and implanting home - made porous p - tcp. then a serial of rabbits were killed every month and condyles, including material, were taken out. by force of the histological analysis measures such as he, tbs and tdl, an in - depth study went along with p - tcp, the new - born and the interface between the materials and the new - born in the implanted region, we may attempt to ascertain the osteogenetic process of new bone when porous p - tcp bioceramics repairing bone defects
實驗方法是,人為造成兔股骨髁部骨缺損,將自製的多孔- tcp生物陶瓷植入,然後逐月取實驗兔處死、取材,利用he染色、甲苯胺藍染色、四環素雙標記法等組織學分析手段,對材料植入區的- tcp 、新骨及材料與新骨的界面進行研究,探討多孔- tcp生物陶瓷修復骨缺損時,新生骨的形成過程。Christopher m. long, et al. characterization of indoor particle sources using continuous mass and size monitors [ j ]. air and waste manage, assoc. 50, 1 236 - 1250
榮海琴等.室內空氣中揮發性有機化合物及多孔炭材料在其脫除中的應用[ j ] ,環境科學進展, 1999 , 7 ( 6 )The catalytic applications of the mesoporous materials in epoxidation of olefins are summarized, including the preparation methods and modification of the materials, catalytic performance and characterization of active sites
本文綜述了介孔材料在烯烴環氧化反應中的應用,包括材料的制備方法、催化性能以及活性中心的表徵。Porous silica, especially silica bonded phases ( sbp ) of hplc, was also introduced to spme as fiber coating, which had higher extraction capacity, shorter analysis time and higher sensitivity. in this paper, we introduced novel mesoporous material c16 - mcm - 41 to prepare spme fibers
本文首次將c _ ( 16 ) - mcm - 41介孔材料用作spme纖維塗層,製成萃取頭,並以此萃取測定了環境樣品中的多環芳烴。分享友人