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First, in change sealant padding, including carbon black, terpene, 6,240, butyl rubber, stearic acid, talcum powder.

一、改变密封胶中的填料，其中包括炭黑、萜烯、6240、丁基橡胶、硬脂酸、滑石粉。

The dispersion of glass ultra-fine powder in the organic vehicle of ethyl cellulose terpineol solution are improved significantly.

改性后可以改变或控制超微细粉体的表面能大小，从而可调节电子浆料的流变性和印刷适性。

Object:The terramycin powder's inner quality influnce terramycin tablets disinte- gration not stabilization.

目的：解决因土霉素原粉内在质量影响土霉素片崩解不稳定的质量问题。

Shoeshine usable gas or tetrachloroethylene, reoccupy wet powder alkali removal scrub.

鞋油可用汽油或四氯乙烯润湿后，再用洗衣粉碱液擦洗去除。

The powders were characterized by X -ray powder diffraction, transmission electron mi croscopy and vibrating sample magnetometer . The as -prepared particle is a aggregate composed of many plannar tetragon crystallites.

采用X射线粉末衍射、透射电镜、穆斯堡尔谱和振动样品磁强计，对合成样品进行表征。

The results indicate that not calcined BiVO_4 powder was consisted of two kinds of phase with monoclinic and tetragonal crystalline.

结果表明：未煅烧的 BiVO_4具有四方相和单斜相两种结构，而 500℃煅烧后为单一的等轴状的单斜相结构。

The contents of crude protein and 18 kinds of amino acids in the powder of tetraploidy black locust for fodder leaves at four stages,from which Langfang,Hebei Province,were determined.Their value for feeding were evaluated by means of amino acid scores and essential amino acid index.

测定了廊坊地区饲料型四倍体刺槐叶粉4个不同时期的粗蛋白质含量及18种氨基酸组分，用氨基酸分和必需氨基酸指数对其氨基酸营养进行评价，并结合其生物量对最佳刈割时期进行了分析。

The results showed that the crude protein content,the eighteen essential amino acids and the twelve essential amino acids in the powder of tetraploidy black locust for fodder leaves were highly at the four stages,and along with the time process,they were all descending gradually.Moreover,their essential amino acid score were also highly and their amino acid were balanceable.And their essential amino acid index of cattle,pig,chicken,duck,goose,fish,prawn and sheep were higher than 0.86,therefore they can be the excellent fodder of these animals.

结果表明，饲料型四倍体刺槐叶粉4个时期的粗蛋白1、8种氨基酸总量和12种必需氨基酸含量均较高，且呈现随时间的推移而逐渐下降的趋势；其必需氨基酸分均较高，氨基酸组成较平衡；对牛、猪、鸡、鸭、鹅、草鱼、对虾和羊8种动物的必需氨基酸指数4个时期之间无差异，均大于0.86，可作为这些动物的优良植物饲料蛋白源；在7月中下旬其生物量和营养达到了最佳结合点，适宜采摘或刈割。

Tetraploidy black locust; Powder of leaves; Protein; Amino acid; Nutritional evaluation

张国君；李云；刘书文；姜金仲；田砚亭四倍体刺槐；叶粉；氨基酸；生物量；营养评价

Preparation of trimanganese tetroxide by air oxidizing free divalent manganese ions;2. In this paper, the trimanganese tetroxide with high specific surface area was prepared by the oxidation of the manganese powder with the catalyst - ammonium salt,and the effected factors were discussed.

研究了以铵盐作催化剂，利用高纯度锰粉悬浮液通空气催化氧化来制备高比表面四氧化三锰，并讨论了各因素对实验结果的影响，确定了反应的最佳条件；并对产品进行了检测和表征，经XRD检测确定产物为四氧化三锰。

Those who loved reading were obliged to send for their books from England; the members of the junto had each a few

那些喜欢看书的人就得从英国购书，讲读俱乐部的的成员每人都有几本。

Three fourths of the earth's surface is covered with water.

地球表面的四分之三被水覆盖着。