查询词典 hollow

Decades, the system does not always produce pipes, tiles, cement products and other traditional rod, but the development should be high (high-strength, high pressure) and large, new (new building materials and products) as a key to develop new products In detail: to develop high-strength prestressed concrete pile; apply to set up more than 110 kilovolt high voltage transmission lines and electrified railway lines, etc. Catenary large t m poles; application of new high-speed heavy rail with pre-stressed concrete sleeper; high-pressure , large-diameter prestressed concrete cylinder pipe; steel concrete and prestressed steel-concrete composite pipe; new type of reinforced concrete pipes, such as the mouth and socket bearing steel reinforced concrete pipes, square pipes, short-shaped pipes, common drains ; reinforced concrete inspection and; urban and rural construction using a variety of hollow interior wall panels and composite wall panels, concrete hollow block.

不能几十年一贯制生产管、瓦、杆等传统水泥制品，更应把发展高、大、新作为重点开发新产品，具体讲：大力发展预应力高强混凝土桩；适用于架设110 千伏以上高压输电线路和电气化铁路接触网线路等的大吨米电杆；适用高速重载铁路用的新型预应力混凝土轨枕；高压、大口径预应力钢筒混凝土管；钢板混凝土和预应力钢板混凝土复合管件；新型钢筋混凝土排水管，如钢承口和承插式钢筋混凝土排水管、方型渠、短形渠、共同渠；钢筋混凝土检查并；城乡建设用的各种空心内墙板和复合外墙板、混凝土空心砌块。

At the same time, I presided over the drafting of a national plant hollow plastic molding machine technical standards JB/T8539-1997, and three customers involved in the drafting of a "packaging of dangerous goods containers packed with plastic barrels," the national standard GB18191-2000, in the development of plastic hollow-taking In the forefront of the domestic counterparts. 2002, I developed the plastic factory production line with drip irrigation, plastic-coated steel pipe extrusion unit, wood-plastic molding equipment, and other new products, once again shows the excellence of our plant products research and development capabilities.

同时，我厂主持起草了国家塑料中空成型机技术标准JB/T8539-1997，并与三家用户参与起草了《包装容器危险品包装用塑料桶》国家标准GB18191-2000，在塑料中空机开发方面走在了国内同行的前列。2002年，我厂开发的塑料滴灌带生产线、钢管包覆塑料挤出机组、木塑成型设备等新产品，又一次显示了我厂卓越的产品研发能力。

Sound insulation: Hollow glass filled with inert gas reduces 30 db of noise, and hollow glass can drop from 80db to 45db.

隔音： 一般中空玻璃降低噪音30分贝，充有惰性气体的中空玻璃可将80分贝的噪音降至45分贝极为安静的程度。

Lastly, the comparison of those PVDF hollow fibers membrane before and after modification has been studied by separately applied them to practically oil water (with confected concentration of 60mg/L) separation test, the decrease of water flux was measured, according to the results, grafted hollow fiber membrane showed better antipollution capability, it indicated that this method is practicable and effective.

最后，将改性前后的中空纤维膜分别应用于油水(自配浓度为60mg/L)分离试验，测定膜通量的衰减，数据表明改性后的PVDF中空纤维膜表面的抗污染能力有很大程度的提高，这说明用表面化学接枝改性的方法可以改善疏水的PVDF膜表面，该方法是切实可行的。

Using centrifugal casting method, hollow fiber membrane is encapsulated into dialyzers, and prepared by the water, urea, Lysozyme and BSA simulated liquid form, which uses Lysozyme instead of β_2-MG, BSA instead of human serum albumin. In this paper, the simulation solution is used to evaluate dialysis performance of PES hollow fiber membrane dialyzers.

采用离心浇铸法将中空纤维膜封装成透析器，用溶菌酶代替β_2~-微球蛋白，用牛血清白蛋白代替人血清白蛋白，制备由纯水、尿素、溶菌酶和牛血清白蛋白构成的模拟液，用此模拟液来代替患者血液，对本文研制的聚醚砜中空纤维膜透析器的透析性能进行评价。

The results showed that the hollow nanospheres were 65 nm in sizes, which was smaller than that of the original CeO2 nanospheres. The Ce(subscript 1-x)TiO2 hollow nanospheres were face-centered cubic structure as the same as CeO2 nanospheres.

结果表明，Ce(下标 1-x)TiO2纳米空心球的粒径为65 nm，小于初始状态的CeO2纳米球，并且Ce(下标 1-x)TiO2纳米空心球的结构与前驱体CeO2晶体结构相同，均为面心立方结构。

The method for making the solar endothermic coating by using the nickel or nickel alloy hollow sphere as the absorbent adopts simple equipment and simple and feasible process; the prepared solar endothermic coating is a metal-resin type composite coating; the absorbent is nickel or nickel alloy powder with a hollow structure; a filling agent is made of macromolecule resin; the thickness of the coating is controlled between 10 and 100 mu m; the color of the coating is gray-black or black.

本发明采用的设备简单，工艺简单易行，所制备的太阳能吸热涂层为金属-树脂型复合涂层，吸收剂为具有空心结构的镍或镍合金粉末，填充剂为高分子树脂，涂层厚度控制在10～100μm，涂层颜色呈灰黑色或黑色。

With increasing the amount of hollow glass beads, the ratio of ultramicro iron-coated hollow glass bead decreased.

随着中空玻珠用量的增大，复合粒子包裹率逐渐降低。

Composites of hollow glass bead /ultramicro iron/ EP with three-layer structure were prepared by coating EP on the surface of composites of ultramicro iron-coated hollow glass bead.

通过在超微铁包裹中空玻珠复合粒子表面再包裹一层EP，制备出了中空玻珠/超微铁/EP三层结构复合粒子。

Having consulted all the available literature on the subject, according the basic principal and method of design of radar absorbing materials, composites of epoxy resin-coated ultramicro iron, ultramicro iron-coated hollow glass bead, and hollow glass bead /ultramicro iron/ EP with three-layer structure were prepared.

本文是在查阅了大量国内外文献的基础上，依据雷达波吸收材料研究的基本理论和设计方法，以羰基铁为重点研究对象，采用原位复合的方法制备环氧树脂包裹羰基铁、超微铁包裹中空玻珠以及中空玻珠／超微铁／EP三层结构复合粒子。

More than five decades after the Indian constitution promises a casteless society, there is no sign that the castes are disappearing.

在印度宪法允诺一个&无种姓&社会五十多年后，种姓尚没有显示出任何要消失的迹象，但变化也确确实实地发生了。

Don't distract him from his studies.

他在学习不要打扰他。