骨料基層 的英文怎麼說
中文拼音 [gǔliàojīcéng]
骨料基層
英文
aggregate base-
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。Using v2 & 5 and alkylamines ( cs - cao alkyl chain ) as precursor, vanadium oxide nanotubes which have an unique structure that alkylamines intercalate into layers of tubes wall affecting the layer spacing were prepared. their layers spacing ranges from 1. 25 nm to 3. 82 nm according to the length of alkyl chain. moreover, the growth mechanism of vanadium oxide nanotubes have been investigated and 3 - 2 - id model was established to interpret the vanadium oxide nanotubes growth process. potassium niobate is a functional materials which can be used as photochemical catalysts. lt is well known that the catalytic activites are affected greatly by the surface area of catalyst particles on which the reaction take place
以系列烷基胺和五氧化二釩為原材料，通過簡單的水熱反應合成出了氧化釩納米管，這種納米管結構獨特，烷基胺作為模板劑內嵌入納米管管壁層間，成為支持納米管的骨架，並影響層間距大小，納米管管壁層間距隨著烷基胺碳鏈長度的不同在很大范圍內變化，通過採用不同碳鏈長度的烷基胺（ c _ nh _ （ 2n + 1 ） nh _ 23 n 20 ）作為模板，來控制氧化釩納米管的層間距，層間距可調控范圍從1 . 25nm到3 . 82nm 。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。Pavement cold - in place recycling is a new technique of form pavement structure, it include three steps : the fist step is the processing of old asphalt pavement material including asphalt pavement and parts of road base material, then add some new bone - material or thin material to these material according to the characteristic of cold recycling structure, at the same time add some water and in addition matter according the quantity of material, at last deal with these material in environment condition to form an new structure
路面冷再生技術就是將舊瀝青路面材料（包括瀝青面層和部分基層材料） ，經過杴刨加工進行重復利用，並根據再生后結構層的結構特徵，適當加入部分新骨料或細集料，按比例加入一定量的外加劑和適量的水，在自然環境下連續完成材料的一系列加工工藝，重新形成結構層的一種工藝方法。In order to improve the pavement performance of lime - fly ash stabilized aggregates and make coarse aggregates form skeleton, the paper confirm the rate of voids of the mixed aggregates by the method of vibrating test
為了改善二灰碎石基層的路用性能，使粗集料（ 31 . 5mm 4 . 75mm ）能夠形成骨架結構，本課題通過振實試驗方法研究了不同粒徑粗集料混合后的空隙率。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。At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm
首先，在細觀層次上，根據蒙特卡羅隨機抽樣原理，在二維平面上建立了混凝土多邊形隨機骨料結構模型，然後採用有限元計算方法，根據最大周向正應力準則，對三點彎曲梁構件進行了開裂過程的模擬，並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準，得出了裂紋在基質、骨料及界面的擴展路徑。In this paper, with complete calculation micro - mechanics method, mass concrete was taken as three - phase composites, which consists of mortar matrix, aggregate and bond between matrix and aggregate. with nonlinear finite element method, the simulation of static and dynamic mechanics performance of the uniaxial compress concrete specimen of dongjiang arch dam and simple supported beam specimen of xiao wan arch dam was studied by means of the software of msc. marc. the number of all kinds of mortar matrix was calculated according to grading of aggregate of three graded concrete and walraven function
本文採用完全細觀計算力學方法，將大體積混凝土在細觀層次上看成是由粗骨料顆粒、硬化水泥砂漿及其二者之間的粘結界面組成的非均質復合材料，採用非線性有限元方法，在對大型商業有限元軟體? msc . marc二次開發的基礎上，對東江拱壩的三級配混凝土軸壓試件、建設中的小灣拱壩三級配混凝土梁試件在靜、動荷載下的力學性能和破壞過程進行了數值模擬。分享友人