porosity相关论文
Ti O_2-CdS composite material was successfully synthesized in-situ sulfidation using polystyrene(PS)as a template,tetrab......
研究了氦-氩混合保护气体对铝合金激光- MIG复合焊熔滴过渡行为及焊缝气孔缺陷的影响,结合焊接过程中匙孔的动态特征,分析了气孔缺......
采用3500 W Slab CO2激光器，对厚度为5 mm的AA6063-T6铝合金板材进行了激光填丝对接焊接实验研究。测定了AA6063铝合金激光焊接的功......
采用摆动光纤激光-CMT电弧复合焊接方式对高速列车用带锁底6A01-T5铝合金型材进行焊接工艺试验。采用优化的焊接参数得到了表面成......
An ultra-light and high porosity nano microfibril aerogel was prepared from konjac glucomannan(KGM) by the electrospinni......
Reaction of Zn(NO3)2.6H2O with 5-(isonicotinamido) isophthalic acid(H2INAIP) in N,N-dimethylformamide(DMF) affords a new......
Research on structure of tectonically deformed coals(TDC) is a key issue in coal and gas outburst prevention and coalbed......
To study the changes of soil fertility of the shelter-forest land along the Tarim Desert Highway, soils from the forest ......
Oilfield waters from Cenozoic and Mesozoic terrestrial and Paleozoic marine environments in the Tarim Basin show no obvi......
The upper Paleozoic natural gas reservoirs in the Ordos basin are generally characterized by a large gas-bearingarea and......
Substituting bleached CTMP (BCTMP) for chemical pulps, such as bleached hardwood kraft pulp in many paper grades is in r......
目的 评价多孔聚乙烯(Medpor)在眼眶骨折修复术中的作用特点和修复效果.方法 对本院应用Medpor修复眼眶骨折63例病例进行治疗情况......
To gain high efficiency and low fuel consumption,aluminum-based abradable seal coatings had been widely used in the comp......
Graphene-Mn3O4 (GMNO) hybrid porous material is prepared by a hydrothermal method and its performance in carbon dioxide ......
In Vitro Characterizations of PLLA/β-TCP Porous Matrix Materials and RMSC-PLLA-β-TCP Composite Scaff
To develop a novel degradable poly (L-lactic acid)/β-tricalcium phosphate (PLLA/β-TCP) bioactive materials for bone t......
By using waste bricks as aggregate,a kind of porous ecological concrete was prepared and the mixing technique and its pr......
This paper presents a study on sound absorption property of aluminum foam by evaluating its sound absorption coefficient......
A novel method of designing and preparing bone tissue engineering scaffolds with controllable porous structure of both m......
Preparation and properties of C/C-SiC brake composites fabricated by warm compacted-in situ reaction
Carbon fibre reinforced carbon and silicon carbide dual matrix composites(C/C-SiC) were fabricated by the warm compacted......
The properties of the carbonated brick made of steel slag-slaked lime mixture such as strength, drying shrinkage, water ......
In view of the anisotropy,heterogeneity and stress-sensitive permeability in low permeability reservoirs,an analytical w......
Based on comprehensive analysis of reservoir-forming conditions,the diversity of reservoir and the difference of multist......
In recent years,great progress has been made constantly in oil and gas exploration in the Lungudong region of the Tarim ......
The characterization of pore structure in rocks is relevant in determining their various mechanical behaviors. Digital i......
A new nano-assembly approach has been proposed for the preparation of macropore volume mesoporous aluminum oxide support......
Deeply penetrated welds can be produced with high-power-density lasers.Thus the factors affecting laser weld penetration......
The lunar ferroan anorthosites,formed by plagioclase flotation from the crystallization of the lunar magma ocean,have an......
Vacuum die casting is the optimal method to produce high quality aluminum alloy components.At present,there are still ve......
In this study, the permeabilities of Berea and Otway sandstones were measured under different confining pressures, and p......
Thermal barrier coatings (TBCs) are mostly applied to hot components of advanced turbine engines to insulate the compone......
The coupling numerical model of wave interaction with porous medium is used to study waveinduced pore water pressure in ......
准确认识不同种类的岩石特征对地质构造、结构与年代的判断至关重要.常规光学显微手段虽然可以对岩石的颜色与表面形貌进行直接观......
A tablet microstructure,especially the porosity,is a crucial parameter that influences the mechanical properties.Herein,......
制备Ti6Al4V/20CoCrMo与多孔Ti6Al4V生物医用双层复合材料.采用传统粉末冶金技术,以半固态烧结为固结步骤,制备具有致密Ti6Al4V/20......
Laser beam welding is used to fabricate the 7A52 aluminum alloy plates. Effects of shielding gas and defocusing on poros......
Porosity distribution in cyclic dolomites of the Lower Qiulitag Group (Upper Cambrian) in northweste
Increasing interests in hydrocarbon resources at depths have drawn greater attentions to the deeply-buried carbonate res......
在激光近净成形制备多孔材料过程中,可以通过改变多孔零件的孔隙率来获得理想的弹性模量。通过实验研究了在激光功率、扫描速度、......
以15mm的板厚为研究对象,采用高氮奥氏体钢进行激光焊接,研究气孔和裂纹对高氮钢激光焊接力学性能的影响。结果表明:在试件自然气......
A two-year experiment was carried out on the effect of sprinkler irrigation on the topsoil structure in a winter wheat f......
Reservoir porosity is a critical parameter for the process of unconventional oil and gas resources assessment.It is diff......
In this study,the effects of porosity of the fore-catalytic bed and after-catalytic bed and preheat temperature on the d......
以N-甲基二乙醇胺(MDEA)溶液为吸收液,采用膜吸收法进行了模拟天然气脱硫试验,考察了不同膜参数对MDEA溶液脱硫过程中传质性能的影......
利用粉末冶金法,以电真空Ti粉为原料,并添加造孔剂NH4HCO3,制备了多孔Ti吸气材料。通过扫描电镜（SEM）对吸气材料进行微观形貌观察,利......
介绍了孔结构对砖的强度、保温、干燥收缩以及抗渗等性能的影响,列举出了目前应用较为广泛的几种孔结构测量方法并指出了各自的局......
Effect of biomass addition on the surface and adsorption characterization of carbon-based adsorbents
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Density and Mechanical Properties of Aluminum Lost Foam Casting by Pressurization during Solidificat
Porosity is thought to be severe in aluminum alloy castings produced by lost foam process due to the pyrolysis of the po......
Effect of Cr2O3 addition on the oxidation induration mechanism of Hongge vanadium titanomagnetite pe
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Short-term recovery of soil physical properties on skid trails was investigated upon cessation of skidding operations an......
利用GASAR法(固-气共晶定向凝固法)制备了Al-5Cu多孔合金,研究了温度、氢气压力对孔隙率的影响。温度与饱和氢气压力的提高可以提......
