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In this paper, through a series of experiments, two series of quaternary-ammounium Gemini surfactants were synthesized, namely the pair alkylene double quaternary ammonium salt surfactant m-s-m·2Br and the pair the alkylene double quaternary ammonium salt surfactant -s-·2Br. We has carried on the attribute with the infrared spectrum to its structure, and to affected the factor which the synthesis pair the alkylene double quaternary ammonium salt surfactant responded to carry on the discussion. We has discovered the synthesis pair the ethylene double quaternary ammonium salt surfactant m-2-m·2Br optimum condition: The bromo alkane and a tetramethyl ethylene diamine mole of ratio is 3.0: 1.0, makes the solvent by the ethyl alcohol, 80℃ under responds for 48 hours in the backflow temperature; Synthesis pair alkylene double quaternary ammonium salt surfactant 12-S-12 ·2Br optimum condition: 12 tertiary amine and 1, 3- propylene dibromide (1, 4- two bromines butane) a mole of ratio is 2.2: 1.0, makes the solvent by the ethyl alcohol, responds for 48 hours in the constant temperature 80 ℃ under backflow.

本文通过一系列的实验,合成了两个系列的Gemini型表面活性剂,即烷撑季铵盐表面活性剂m-s-m·2Br和烷撑季铵盐表面活性剂-s-·2Br,用红外光谱对其结构进行了表征,并且对影响合成烷撑季铵盐表面活性剂反应的因素进行了讨论,找出了合成乙撑季铵盐表面活性剂m-2-m·2Br的最佳条件:溴代烷与四甲基乙二胺的摩尔比为3.0:1.0,以乙醇作溶剂,在回流温度80℃下反应48小时;合成烷撑季铵盐表面活性剂12-s-12·2Br的最佳条件:十二叔胺与1,3-二溴丙烷(1,4-二溴丁烷)摩尔比为2.2:1.0,以乙醇作溶剂,在恒温80℃下回流反应48小时。

THE CREATIVE FRENZY OF ARNE QUINZE 阿恩双周报的创新热潮 Painter, sculptor, musician, interior designer, furniture designer, shoe designer, yacht designer and even designer of a car prototype for Lamborghini, Arne Quinze is a designer with a thousand facets.

画家,雕塑家,音乐家,室内设计师,家具设计师,鞋类设计师,游艇设计,甚至为兰博基尼汽车原型设计,阿恩周报是一个拥有一千方面的设计师。

In addition to the wholesale and factory production for the company products, but also the wholesale sling is famous throughout the country, wholesale prices because of too many types, to be directed to the Group's distribution business phone, other products are NRK hyacinth, NRK large gourd (30 -- 50 tons), light NRK hyacinth (80 kg-250kg), Shouban hyacinth, construction Shouban hyacinth, electric hoists, electric chain hoist, micro-block, space launches, and round, hydraulic jacks, screw jack, large jacks, pneumatic Jack, Jack-style separation, thin-jack, electric jack, horizontal jacks,双节Jack, Jack-cut, clamp-hanging, hanging clamp erection, flip hanging clamp, pliers oil drums, stacked plate clamp, car towing, Boutique cranes, lifting with fine, hoisting hook, rotating hook, tied up, tight-vehicle, single-waist belts, body belts, seat belt height, aluminum block-line, cross-top, from the Road, Hydraulic From the top machine, rotating from the top, Hydraulic Ramli, rotating Ramli, the electric Ramli, one Ramli hydraulic pressure machines, into machines, tiger-head tight line, Quchi tight line, from high-intensity Heavy chain, galvanized chain, the chain of steel, iron chain general, Qingdao spent Portland, dumping of deduction, the first card, bow dumping of deduction, American dumping of deduction and heavy dumping of deduction, hydraulic loaders, pneumatic hyacinth, various large Rope, Zongsheng, hanging net, lifting sucker, door-axis wheel, anti-skid chains, fine line tight, tight-line, Shuanggou tight line, railway line cards, Al-card, insurance deduction, rotating Central, rings, Jixin Central, for wire rope cut off, S-hook, lifting a round rope, hanging safety net, set a chain of cable, harness rigging sets, complete sets of rope rigging, injection wire rope, galvanized steel wire rope, hand winch, Removal tanks, high-altitude anti-dropping, balancer, anti-turn hook, electric basket, large-scale mining Tianlun, Mine Pulley, Marine pulley, electric, manual winch, various accessories, such as lifting.

本公司除批发本厂自产产品外,还批发全国各地名优吊索具,批发价格由于种类太多,需致电本集团经销公司电话,其他产品有手拉葫芦、大型手拉葫芦(30-50吨)、轻型手拉葫芦(80kg-250kg)、手板葫芦、建筑手板葫芦、电动葫芦、电动环链葫芦、微型滑车、天轮、地轮、油压千斤顶、螺旋千斤顶、大型千斤顶、气动千斤顶、分离式千斤顶、超薄式千斤顶、电动千斤顶、卧式千斤顶、节千斤顶、剪式千斤顶、平吊钳、竖吊钳、翻转吊钳、油桶钳、层叠钢板钳、汽车拖带、精品吊车、精品吊装带、吊装勾、旋转吊钩、捆绑器、车用紧线器、单腰安全带、全身安全带、高空安全带、放线铝滑车、跨顶、起道机、液压起顶机、旋转起顶机、液压拉马、旋转拉马、电动拉马、液压一体拉马、压套机、插套机、虎头紧线器、曲尺紧线器、高强度起重链条、镀锌链条、钢制链条、普通铁链条、青岛花兰、卸扣、卡头、弓形卸扣、美式卸扣、重型卸扣、液压搬运车、气动葫芦,各种大绳、棕绳、吊网、起重吸盘、门轴轮、防滑链、精品紧线器、多功能紧线器、钩紧线器、铁卡线器、铝卡线器、保险扣、旋转环、吊环、鸡心环、钢丝绳切断器、S型吊钩、吊装圆绳、安全吊网、成套链条索具、成套吊带索具、成套钢丝绳索具、注塑钢丝绳、镀锌钢丝绳、手摇绞盘、搬运坦克、高空防坠器、平衡器、防转吊钩、电动吊篮、大型矿用天轮、矿用滑车、船用滑车、电动、手动卷扬机、各种起重配件等。

Two headed snake 双头蛇 This British grass snake exhibits dicephalus, a condition related to conjoined twinning.

这条英国草蛇展示一种与连体生有关的疾病,头畸胎。

To eliminate abnormity wear of tires in double-front-axle system of heavy truck, the kinematics and dynamics analysis method is set forth. On the base of the results for heavy double-front-axle truck load distributing and manipulate stability, tire uniformity load condition and deficiency steering characteristic condition of heavy double-front-axle truck are put forward. Steering trapezia space movement formula, double-swing-arm space movement formula and double-swing-arm movement formula in actual status of heavy double-front-axle truck are fetched. Optimization models of steering trapezia and double-swing-arm are founded and optimization arithmetics of transmission system in double-front-axle steering are compiled.

本文以消除重型汽车前桥转向系统轮胎异常磨损等为目的,阐述了前桥转向系统的运动学、动力学分析方法;在分析了前桥重型汽车载荷分布和操纵稳定性的基础上,提出了前桥重型汽车轮胎均载应该满足的条件、前桥重型汽车具备不足转向特性应该满足的条件;推导了前桥转向梯形空间运动关系式、摇臂机构空间运动关系式和前桥汽车实际工况下的运动关系式,建立了转向梯形和摇臂机构优化设计模型,编制了前桥转向传动系统优化算法。

The form of its structure双肘plate jaw crusher.

其结构形式为肘板式颚式破碎机。

Jilin University students show the audience the martial arts, hip-hop, Korean dance,双截棍, ribbon gymnastics programs, such as well-rehearsed, highly skilled martial arts, dance was superb bursts of applause from the audience, a warm atmosphere at the scene one climax after another.

吉林大学学生为现场观众表演了武术、街舞、韩舞、截棍、彩带操等精心排练的节目,精湛的武艺、高超的舞技获得了观众阵阵掌声,现场气氛热烈,高潮迭起。

Has a number of major landscape, such as: Eagle Stone, Lungtan飞瀑, Baiyun people, Dian Huang Chao, Happy path along the cliff, well God, One-Line-Sky, Rectangle, double hump, Wuzhishan, peak lovers, not just eye in the sky, two turtle show stone, the first long cliff, HANGING COFFIN, cloud cliff Caesar Chu, Lions out of the mountains, small stone forest, Xinglong Temple, the first ape-man,双狮rocks, relief, lying eyes Rainbow Gap, such as Ji Gong Guanhai.

主要景观有50多处,如:神鹰石、龙潭飞瀑、白云人家、黄巢殿、跑马栈道、神井、一线天、擎天柱、驼峰、五指山、情人峰、观天眼、龟戏石、龙首崖、悬棺、云崖撒珠、雄狮出山、小石林、兴隆寺、猿人头、狮岩、浮雕、卧峡睛虹、济公观海等。

Uh on me on me.. whatcha gonna do with all that junk all junk inside your trunk i'ma get get get get you drunk get you love drunk off my hump whatcha gonna do with all that ass all that ass inside your jeans i'ma make make make make you scream make you scream make you scream coz of my humps my hump my hump my hump my hump my hump my hump my lovely lady lumps check it out i met a girl down at the disco she said hey hey hey ya lets go i can be ya baby, you could be my honey lets spend time not money and mix your milk with my coco puff milky milky coco mix your milk with my coco puff milky milky riiiiight... they say i'm really sexy the boys they wanna sex me they always standin next to me always dancin next to me tryna feel my hump hump lookin at my lump lump you can look but you can't touch it if you touch it i'ma start some drama you don't want no drama no no drama no no no no drama so don't so don't you aint my man boy i'm just tryna dance boy and move my hump my hump my hump my hump my hump my hump my hump my hump my hump my hump my hump my lovely lady lumps my lovely lady lumps my lovely lady lumps in the back and in the front my loving got you..

你可以当我的甜心我们一起杀时间不是钱把你的牛奶跟我的可可混在一起奶味的可可你的牛奶跟我的可可混在一起牛奶牛奶是的他们说我很性感那些男孩麼都想干我他们永远都站在我身边永远都在我身边跳舞试著抚摸我的峰看著我的峰你可以看但你不能摸你如果摸了我就会开始生气你不想要我生气不不要我生气不不不不要我生气所以不要拉著我的手你不是我的男人我只是想要跳舞还有动我的峰我的峰我的峰我的峰我的峰我的峰我的峰我的峰我的峰我的峰我的峰我可爱的女性峰我可爱的女性峰我可爱的女性峰前面跟后面你被我的爱迷住它让我为他花钱喔~把你的钱都花在我身上。。。

Hello, my home on the north side of Silver Alarelin双岗point, last fall, when visited fengle ecological park, the first time to see one of the steel-framed canopy there are so many chrysanthemums in full bloom, a corporation of a corporation is too beautiful a.

你好,我家就在银瑞林北边一点的岗,去年秋天的时候去过丰乐生态园,第一次看到其中一个钢架大棚内有这么多怒放的菊花,一团一团的太漂亮了。

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推荐网络例句

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。