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The result shows that coconut fiber is a suitable vegetate material of Hydrilia verticillata and Elodea nuttll for GSB technique.3, Interrelation of light compensation depth, hanging depth of GSB and submerged macrophytes revegetation were discussed in this article.

深入分析了水体光补偿深度、沉床悬挂深度与沉水植物恢复之间的关系,提出了生态补偿区的概念;认为沉水植被的恢复只能在生态补偿区内进行;并且通过实验方法确定了苏州苗家河水体中的沉床悬挂深度。

River Nantong advantage machine building the limited company is thecollection branch, the labor, the trade integration large-scalemachine manufacture enterprise, the main product includes:- Makes each kind of different type glazed tile, the clay tile, theshale tile, ancient constructs the tile, ancient constructs the brick,the shaped brick, the water drop,猫头 the many kinds ofspecifications vacuum bricks and tiles machine and ordinary crowds thetile machine, the entire automatic tile press;- Makes each kind of different shape hollow brick to be big, middle,the small vacuum brick moulding machine;- Makes each kind of different shape cement tile the entire automaticmould pressing encaustic tile machine;- Makes each kind of different shape artificial brick the many kindsof specifications entire automatic artificial brick machine

河南通利机器制造有限公司是集科、工、贸一体化的大型机械制造企业,主要产品有:——制造各种不同类型琉璃瓦、黏土瓦、页岩瓦、古建瓦、古建砖、异型砖、滴水、猫头的多种规格的真空砖瓦机和普通挤瓦机、全自动压瓦机;——制造各种不同形状空心砖的大、中、小型真空制砖机;——制造各种不同形状水泥瓦的全自动模压彩瓦机;——制造各种不同形状砌块的多种规格的全自动砌块机

In this paper, we give a section theorem of Ky Fan type and its equivalent theorem in hyperconvex metric spaces, and as their applications we obtain some minimax theorems and a coincidence theorem.

赵云河 ,张惠丽文章给出了超凸度量空间中的一个Ky Fan型截口定理及其等价定理,作为它们的应用,得到了一些极大极小定理和一个重合定理。

Experimental 2.1. Materials Poly resin (number average MW: 70,000–63,000 prepared by suspension polymerisation, no additives) used in this work was produced by Jinxi Chemical Engineering Factory, and Organo-tin thermal stabilizer (industrial product, Thermolite 108) by Erato Stabilizer Company, Ltd, Beijing.

实验的 2.1。材料波河树脂(数字平均 MW: 70,000-63,000 根据中止聚合准备,没有添加剂)二手的在这个工作中是生产被 Jinxi 化学工程工厂,和有机金属的-锡热安定装置(工业的产品, Thermolite 108)被司抒情诗安定装置公司、公司,北京。

A gas chromatographic-mass spectrometric method for the simultaneous determination of environmental estrogens (including 4-nonylphenol, bisphenol A,diethylstilbestrol and 17α-ethinylestradiol) and endogenous estrogens (including 17α-estradiol, 17β-estradiol, estriol and estrone) in urine and bed mud is reported.

报道了尿及河底泥中环境雌激素(壬基酚、双酚A、己烯雌酚、17α-乙炔基雌二醇)和内源性雌激素(17α-雌二醇、17β-雌二醇、雌三醇、雌酮)的气相色谱-质谱测定法。

In the dawn I bathe in Euphrates River.

晨曦中我在幼发拉底河沐浴。

The main reservoirs of the three formations of the Middle Jurassic are sand bodies of braided river delta and fan delta.

中侏罗统3个组以辫状河三角洲和扇三角洲砂体为主要储集层。

But soon we are droning over the endless hills and valleys - over Five Finger Rapids, over a lake whose chemical constituents have turned it a beautiful mouthwash turquoise, Derek telling us about aspects of the scenery in our headphones or exchanging wisecracks with the pilot in the other plane.

还好,飞机很快在无边无际的群山和峡谷上嗡嗡飞行,飞过了育空的五指河,飞过了一个湖泊,湖水中的化学成份将湖水染成美丽的蓝玉色。德里克在耳机里讲解沿途风景,或者和其它飞机的飞行员互相开玩笑。

In this article, the influence of sulfur content on the direct liquefaction reactivity of long flam coals was studied in the laboratory autoclave.

摘要: 利用实验室高压反应釜,研究了榆林横山樊河长焰煤中硫含量对煤直接加氢液化反应的影响。

It is seldom to reveal the change law of water environment during history through viewed from floodplain deposits.

长期以来,人们对渭河的水环境问题已有关注,但研究大多集中在对较大范围的区域地貌和历史时期河道变迁的研究中,通过河漫滩沉积物来揭示历史时期渭河水环境演变规律的研究还少见报道。

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推荐网络例句

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。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。