查询词典 double-helical

We will double our effort to raise people's awareness of environment.

我们还要做出更大的努力来提高人们的环境意识。

At present, our company has two 30-ton crane line, able to store 8000 cubic meters blocks, five General processing plant, with an area of 12200m2, the use of production equipment have: disc saw 10 Units (4 Units one of a Computer Numerical Control piecewise), Italy sand saws (4 Units), cylinder sawing (2 Units), Italy continuous mill (2 Units), Italy fully automatic plate production line (1 sets), double-headed grinding (5 Units), fire machine ( 2 sets), infra-red four-post Hydraulic Cutting Machine (7 Units), CNC Wire Saw (2 Units), computer profiling cutting machine (5 Units), gantry profiling machine (3 Units), lap, Horizontal cylinder machine (6 Units), hand-cut machine (5 Units), Walk Mill (3 Units), special-shaped lines of milling machine (3 Units), plant 3-ton forklift (4 Units), an annual output of various granite marble and 380,000 square meters of imports of plate, sheet 100,000 square meters, producing cylindrical, cut axinite, machine planed stone, mushroom stone, step stone, paving stone plaza, special-shaped stone 100,000 square meters.

目前，本公司已拥有30吨行吊两部，能储存荒料8000立方米，综合加工车间五个，面积为12200m2，采用加工生产的设备有：圆盘锯10台（其中4台电脑数控分片）、意大利沙锯(4台)、筒锯（2台）、意大利连续磨机（2台）、意大利全自动薄板生产线（1台套）、双头磨（5台）、火烧机（2台套）、四柱液压红外线切机（7台）、数控绳锯(2台)、电脑仿形切机（5台）、龙门式仿形机（3台）、立、卧式圆柱机（6台）、手摇切机（5台）、手扶磨（3台）、异型线条磨边机（3台）、厂用3吨叉车（4台），年产各种花岗岩大理石及进口板材38万平方米、薄板10万平方米，生产圆柱、剁斧石、机刨石、蘑菇石、台阶石、铺地广场石、异型石材10万平方米。

Keywords axle box base;double quenching;ferrite;fine grain strengthening

抱轴承箱；二次淬火；铁素体；细晶强化

Heat treatment tests of normalizing,quenching and temperature tempering,double quenching are carried on the material ZG25Mn for the axle box base of electric locomotive.

对机车抱轴承箱材料ZG2 5Mn进行了正火、调质、二次淬火的热处理工艺试验，比较分析了不同工艺的金相组织和机械性能，阐述了二次淬火的强韧化机理，认为二次淬火可以改善组织，提高强度与韧性。

For the convenience of study,the optimized design method is discussed and the azimuthal displacement design is made by taking the double-build section most in use for example in this paper.

为讨论方便，文中以常用的双增型剖面为例，讨论其最优化的设计方法，并进行了方位漂移设计。

Starting from 3-benzoyl-5-formyl-indolizine, 3-benzoyl-5-(2'2'-diacetylethenyl)-indolizines and analogs were obtained by the 〓mediated aldol condensation or Wittig reaction. These compounds,promoted by low-valent titanium, gave highly functionlizedcycl[3,2,2]azine derivatives. The coupling reaction proceeded betweenthe carbonyl group and the carbon-carbon double bond, a rare example inMcMurry reaction.

我们以3-苯甲酰基-5-甲酰基中氮茚为原料，通过三碘化钐促进的aldol反应和Wittig反应制备了3-羰基-5-羰基乙烯基中氮茚，随后经低价钛还原偶联，没有生成正常的分子内羰基-羰基偶联产物，而是得到反常的羰基与α，β-不饱羰基的双键偶联产物，较高收率地得到了含多官能团的CycI[3，2，2]azine衍生物。

Azole:a class of organic compounds having a five-membered heterocyclic ring with two double bonds.

氮杂茂：一种由五种杂环元素，两组粘合剂组成的有机化合物。

With a double baby jogging stroller you can simply take the kids with you.

与双重婴儿推车慢跑，您可以简单地采取孩子与您联系。

Many people who have twins decide to purchase this type of double baby jogging stroller.

很多人有双胞胎，谁决定购买这种类型的双慢跑婴儿推车。

A double baby jogging stroller with a pouch in the back is a great choice.

双婴儿推车慢跑与邮袋在后面的是一种伟大的选择。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失