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The present invention relates to a halogen-free, multilayered, uniaxially oriented heat shrink film comprising a core layer comprising a blend of polyolefins; a first skin layer on the upper surface of the core layer, and a second skin layer on the lower surface of the core layer, wherein the first and second skin layers independently comprise a polyolefin blend and wherein the shrinkage of the film is at least about 40% in the machine direction at 270 DEG F.

本发明涉及一种不含卤素、多层、单轴取向的热收缩薄膜，包含含聚烯烃共混物的芯层；在芯层上表面上的第一皮层，和在芯层下表面上的第二皮层，其中，第一和第二皮层独立地包含聚烯烃共混物，并且其中，在270°F，在纵向薄膜的收缩率至少约为40％。

Number is playing an important role in the chinese culture, number's usage almost relates to every aspect of our life, such as wedding, funeral, daily life, even business, luck or unluck, number will afect people who make different choice or decision.

她说礼物虽小但是代表的是一片心，赠与和接受的互动，相互感情联系是这个红信封主要的意义。

In The Republic of China time township finance question is one of core question in basic unit society, it' problem was: illegal status, the income unstably, the system not perfect and so on many institutional is contradictory, has affected the township power construction, also caused the government and the farmer relates moves towards the worsening.

乡镇财政问题，自清末倡导地方自治开始，民国时期逐渐充实和发展。财政是政府存在和运作的物质基础，不仅是经济问题，也是政治问题。随着国家政权向基层社会的延伸，乡镇政权建立和运作需要经费支持，使得乡镇财政问题成为基层社会的核心问题之一，也成为学术界甚为关注的一个重要选题。

This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted 1,6-hexanediols as principal product of reaction.

本发明也部分涉及包含作为主要反应产物的一种或多种取代或未取代1，6－己二醇的反应混合物。

The present invention relates to a water-soluble associative cellulose ether having a DP viscosity from 250 to 20,000 mPa's, measured at a concentration of 1 % by weight, and a molecular substitution, MS, from 0.0001 to 0.005 of a hydrophobic substituent containing an unsubstituted or substituted hydrocarbon group of 8-24 carbon atoms.

本发明涉及一种水溶性缔合纤维素醚，其在1重量％的浓度下测量的DP粘度为250-20，000mPa's，并且含有未取代或取代的C8-C24烃基的疏水取代基的分子取代度MS为

An analysis is also made of the moving regular of particles, the leakage passage formation feature, and the particles displacement field and so on. The internal stability of soils is studied from the perspective of gradation. Results show that the stability of soils relates closely to the shape of gradation curves and coefficient of ununiformity.

研究得到管涌发展过程中颗粒的移动规律，渗漏通道的形成特点，流速、颗粒位移场等随水力梯度的变化特点，并从级配角度分析土样的稳定性，得到土体的稳定性与级配曲线形状及不均匀系数等因素有关的结论。

The present invention relates to a holder for a roll of unwindable material, in particular a holder for paper rolls, preferably for standing a paper roll vertically on a horizontal surface, with a cylindrical holding rod(1), a base(5)and an essentially known pivotal retaining arrangement for the free end of the paper roll, the object is to provide a holder in which the roll is retained on the holder in a stable manner also when different widths of paper are used, and where the cost of manufacture can be reduced through a simple embodiment and few components.

一用于可展开的材料的卷装的支架，特别是纸卷的支架，优选是使纸卷垂直立在水平表面上，其带有圆柱形支承杆(1)、底座(5)和一已知的用于纸卷的自由端的固定装置，利用这种支架，当使用不同宽度的纸卷时，纸卷能以稳定的方式被保持在支架上，通过简单的实施方式和很少的部件，制造成本能减少。

The invention relates to a preparation method of vinylene carbonate, which comprises halogenated ethylene carbonate and dehydrohalogenation agent which are subject to contact reaction. The dehydrohalogenation agent is ammonia with a purity of not less than 99.9 percent.

一种碳酸亚乙烯酯的制备方法，该方法包括将一卤代碳酸乙烯酯与脱卤化氢剂进行接触反应，其中，所述脱卤化氢剂为纯度不低于99.9％的氨气。

The invention further relates to the use of said powders in the production of vulcanizable rubber mixtures.

本发明进一步涉及所述粉末在制备可硫化橡胶混合物方面的应用。

The invention relates to recombination doping zirconic acid lanthanum proton conductor material and its preparation method.

本发明涉及复合掺杂锆酸镧质子导体材料及其制备方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。