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The high compressive strength is obtained when the modulus of the activator viz., molar ratio of SiO2/Na2O is 1.5, and the proper content of this activator evaluated by the amount of Na2O to the high-calcium fly is 10 %. The compressive strength of these samples is 63.4 MPa when they is cured at 75 oC for 8 hours flowed by curing at 23 oC for 28 days. The main gels of geopolymer and calcium silicate hydrate, and Gismondine co-exist and bond some remaining unreacted fly ash spheres.

结果表明：复合碱激发剂适宜的模数M =n(SiO2)/n(Na2O)为1.5，掺量为Na2O当量10％；适宜养护条件为，75oC养护8h，然后在23oC室温养护至所需龄期，其28d抗压强度达63.4MPa；碱激发高钙粉煤灰同时生成地聚合物凝胶和水化硅酸钙凝胶，并有类沸石矿物生成，反应产物与未反应的粉煤灰颗粒胶结成较为密实的高钙粉煤灰地聚合物。

The structure of resultant IPN hydrogels was successfully characterized by Fourier transform infrared spectroscopy and scanning electron microscopy; the water retention at 50℃ was measured gravimetrically; dependence of storage modulus on temperature and phase transition behavior were investigated by dynamic mechanical analysis and differential scanning calorimetry, respectively.

利用FTIR和SEM分别表征了凝胶的化学结构和内部形态；测定了凝胶在高温(50℃)时的退溶胀性能；利用DMA和DSC分别研究了凝胶的储能模量随温度的变化及热相转变行为。

According to the order, the data of Caragana Korshinskii Kom is about 6.07 J/cm~2, 23.67 MPa, and 1787.98 MPa separately, and the data of Vitex is about 11.78 J/cm~2, 48.06 MPa and 3544.36 MPa separately. Additionally, the data of Fourfold Acacia is about 10.09 J/cm~2, 40.78 MPa and 2304.87 MPa , whereas the data of Grewia biloba var.parviflora is about 8.47 J/cm~2, 65.88MPa and 2523.88MPa respectively. The impact toughness four shrubs is in the bound of the data of wood in China, but the compressive strength and compression elastic modulus parallel to grain are some small than those of ordinary wood.

柠条的冲击强度为6.07J/cm~2，顺纹抗压强度为23.67MPa，顺纹抗压弹性模量(来源：AB75C论文网www.abclunwen.com)为1787.98MPa；荆条的冲击强度为11.78J/cm~2，顺纹抗压强度为48.06 MPa，顺纹抗压弹性模量为3544.36MPa；四倍体刺槐冲击强度为10.09 J/cm~2，顺纹抗压强度为40.78 MPa，顺纹抗压弹性模量为2304.87 MPa；扁担木的冲击强度为8.47J/cm~2，顺纹抗压强度为65.88MPa，顺纹抗压弹性模量为2523.88 MPa。

The equivalent elastic modulus and the nominal axial stress of non-regular holey laminated plates are assumed.

引入等效弹性模量和名义截面应力的概念，建立了单向非规则多孔材料层合板的正交各向异性力学模型。

On the basis of relative researches in the world, the hooping theory of CFST was deduced by use of energy principle and minimum potatial energy principle , moreover, use modified axial elastic modulus of steel tube and core concrete in order to reckon in the increase of CFST load-carrying capacity.

本文在国内外研究成果的基础上，利用能量法和最小势能原理导出了钢管混凝土结构的受箍机理和钢管、核心混凝土修正轴压弹性模量，进而修正了钢管混凝土修正轴压弹性模量并以此来计入钢管混凝土受压结构承载力的提高。

Good thermal stability and self-extinguishing behavior was observed with the cured polybenzoxazine resins. Second, furan-containing benzoxazine monomers, P-FBz, BPA-FBz, and 4FP-FBz were prepared using furfurylamine as a raw material. Formation of furfurylamine Mannich bridge networks in the polymerizations of P-FBz and BPA-FBz increased the cross-linking densities and thermal stability of the resulting polybenzoxazines. P-FBz and BPA-FBz- based polymers also exhibited high glass transition temperatures above 300℃, high char yields, and low flammability with a limited oxygen index value of 31. The dielectric (Dk3.21–3.39) and mechanical properties (high storage modulus of 3.0–3.9 GPa and low coefficient of thermal expansion of 37.7– 45.4 ppm) of the P-FBz and BPA-FBz-based polymers were superior or comparable to other polybenzoxazines. 4FP-FBz used for polybenzo- xazine modification by means of formation of benzoxazine hybridation with P-FBz.

第二部份以2-呋喃甲胺为起始物，制备了P-FBz、4FP-FBz与BPA-FBz 三个含呋喃官能基之氧代氮代苯并环己烷的单体；BPA-FBz与P-FBz於开环聚合中形成之Mannich bridge网状结构有效地提升聚氧代氮代苯并环己烷聚合物之交联密度与热安定性；Poly与Poly具有大於300℃之玻璃转移温度、高的焦炭生成率与具有31之极限氧指数(Limited oxygen index， LOI)的难燃性特质，Poly与Poly之介电常数(Dk=3.21~3.39)与机械性质[3.0~3.9 GPa的储存模数与37.7~45.4ppm之低热膨胀系数( Low coefficient of thermal expansion， Low CTE)]均较其他聚氧代氮代苯并环己烷为优；4FP-FBz具有低之介电常数(Dk=2.7)，以其作为降低介电常数之反应型改质剂，与P-FBz混成，证实可有效地降低Poly的介电常数。

The rheological properties of a novel type associating copolymer P, composed of acrylamide and a small amount of 2-phenoxylethyl acrylate (x≤1.0%)as hydrophobe, were investigated in aqueous solution by viscomitry and dynamic modulus measurement.

应用黏度法和动态模量研究了新型缔合聚合物P的溶液流变性质。该聚合物由丙烯酰胺和少量2-苯氧乙基丙烯酸酯n(POEA≤1.0%）组成。

The results of simulations of three-graded-concrete supported beam under dynamic load show that in the impact load the carrying capacity improved and the displacement decreased when specimen failed, and without inial static load, it is dangerous that material tensile strength and elastic modulus were improved to its 1.3 times in the code.

三级配混凝土动载数值模拟结果表明，在短时高速的冲击荷载作用下，试件的极限承载力提高，破坏时的位移降低；在没有初始静载的情况下，规范规定的把材料的抗拉强度和弹性模量提高1.3倍所得极限承载力相对较大。

The results show that this kind of IPN hydrogels are temperature-sensitive, and, compared with inorganically crosslinking PNIPAAm hydrogels, these IPN hydrogels exhibit enhanced storage modulus and ultrafast response rate, such as losing water of 90% within 10 min because of the porous structure which provides the water-releasing channel; by incorporation of PAAm network, the phase transition of PNIPAAm hydrogels is weakened, but the lower critical solution temperature is increased.

研究表明，该IPN凝胶具有温度敏感性；与未互穿的无机交联PNIPAAm凝胶相比，IPN凝胶具有多孔的网络结构和超快的响应速率，如10min内失去90%的水；其储能模量增加了3~4倍，相转变行为变弱，而最低临界溶解温度提高了1.4℃。

This result can be used to explain not only the microhardness and elastic modulus of coatings changing with respect to measurement direction and locations, but also the wear mechanism of interlamellar cracking and flaking off when intense adhesion took place between wear parts during sliding.

从而解释了在压头载荷作用下，由于层间裂纹扩展的强弱不同，而使涂层的显微硬度和弹性模量的测量结果随测量方位和压头取向发生变化。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。