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Compared with asphalts,the tensile strength and the fracture elongation rate of the coating obtained increase 10～15 times respectively, and the coating has advatages such as light weight,seamless,easy to maintain and to apply.

这种防水涂料的拉伸强度比沥青的提高了 5～ 10倍，断裂伸长率比沥青的提高了 5～ 15倍，并且具有良好的耐酸碱、耐候和防水性能，涂层轻、无接缝、易修补和施工方便

The analyses of multivariate partial correlation,path,correspondence and genetic correlation of twelve rice quality indexes were performed using Chenghui 448(CH448),5 maintainer lines,the progenies from Basmati 370 backcrossed by Chenghui 448(BC_2F_5) and the hybrids of 5 male sterile lines with the progenies.

米粒延伸性(cooked rice elongation，CRE)是稻米在蒸煮和食用过程中所表现的延展伸长特性，它和直链淀粉含量、糊化温度、胶稠度、香味等米质性状都是蒸煮食用品质综合评定的重要指标。

The elongation of the arm stump is mainly carried out by repetitious formation and re-differentiation of a lot of body wall-across blastemas in the arm stump.

而残腕的延长主要是通过在残腕多处形成干细胞原基，原基细胞原处增殖后经再分化形成新腕组织使残腕得以快速生长和延长。

The results show that when an electromagnetic field with 1000 Hz frequency and 20 kW power is imposed, the surface roughness of hollow billets is decreased by 50%, the solidification structure is refined, the tensile strength is improved by 40%, and the elongation is improved by 50%, averagely; when the power is heightened to 30 kW, the solidification structure is coarsened and the mechanical properties are worsened.

研究结果表明：当施加频率为1kHz的电磁场时，空心管坯的表面粗糙度降低了约50％；当施加功率为20kW的电磁场时，空心铜管坯的组织得到细化，抗拉强度提高了约40％，延伸率提高了50%；当施加30kW的电磁场时，铜管坯组织粗化，力学性能下降。

A compartmented soil-glass bead culture system was used to investigate characteristics of arsenic accumulation in iron plaque and in mature rice plants irrigated using water with arsenic in greenhouse. Arsenic was supplied as a solution of Na3AsO4·12H2O at the following stages: tillering, stem elongation, booting, flowering and grain filling.

采用土壤-玻璃珠联合培养的方式，选择2个氧化能力不同的水稻品种YY-1、94D-64和采自浙江富阳的土壤（砷的本底值为13.8 mg·kg-1），并设灌溉清水和含砷水2个处理（即在分蘖期、拔节期、孕穗期、开花期和灌浆期5个生育阶段灌溉含砷污水，随灌溉水进入土壤中砷的浓度为3.2 mg·kg-1），研究了砷在土壤-根表铁氧化物-水稻系统中的累积规律以及土壤和灌溉水对水稻秸秆和籽粒富集砷的贡献程度。

A high-strength steel pipe rockbolt has an expansive rockbolt main body prepared by processing a high-strength steel sheet of 1.8-2.3 mm in thickness with tensile strength of 490-640 N/mm 2 and elongation of 20% or more to a welded pipe and roll-forming the welded pipe to a shaped pipe having one or more concavities extending along an axial direction.

高强度钢管锚杆具有可膨胀锚杆主体，该主体通过下列步骤制成：将抗拉强度为490～640N/mm 2 ，伸长率为20％或更大，厚1.8～2.3mm的高强度钢板加工成焊接管，再将该焊接管滚轧成型成具有一个或多个沿轴向延伸的凹部的异形管。

The preparation of IPN water-borne PU/PA binder, and the influence of different proportion to tensile strength, elongation at break, crocking fastness, water and dust absorbency and soaping fastness are all introduced in this paper.

介绍了水性PU/PA的IPN涂料印花粘合剂的制备方法，及其不同配比对拉伸强度、断裂伸长率、摩擦牢度、吸水性、吸尘性、皂洗牢度的影响。

Terminal buds and new roots of lily bulb were elongating continuously during low temperature storage, which speeds of elongation at 12℃ were faster than that at 8℃ and 4℃, and terminal buds were about 1 cm reached to the top of the bulbs at 37 days for 8℃ and 12℃.

以自繁的新铁炮百合鳞茎为材料，研究在4℃、8℃和12℃低温处理下鳞茎解除休眠过程中的形态和生理变化，结果表明，百合鳞茎在冷藏过程中其顶芽和新根均不断伸长，其伸长速度排序为12℃处理＞8℃处理＞4℃处理，在8℃和12℃下冷藏37 d其顶芽生长点距离鳞茎顶端约1 cm。

The Kob gene encodes a kind of protein, which the cellulose synthesis needs. It relates to cellulose array, and affects the cell elongation subsequently, especially in the fast elongating cell.

Kob基因是一种编码纤维素合成所需蛋白的基因，与纤维素微纤丝的排列有关，继而影响到细胞的伸长，尤其是快速伸长的细胞。

Although most studies dealing with the modification of semi-crystalline polymers with inorganic particles reported embrittling effects by comparing ultimate elongation and impact strength of composites materials with those unfilled resins, some researchers showed that the enhancement of toughness in rigid particle filled polypropylene and polyethylene, in which high filler content is generally required (the volume fraction is about 20%).

然而，由于纳米粒子极易聚集的特性和聚合物熔融状态下呈现的高粘度性质，使采用常规的熔融共混技术制备均匀分散的纳米复合材料变得极其困难。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。