各种工艺的

This technics can distinct improve the ratio of taking off acetyl and the ratio of the Chitosan output.

在总结并完善国内外各种壳聚糖生产工艺的基础上，本公司研制出酶法生产壳聚糖工艺，该法大大提高了脱乙酰比率及壳聚糖的生成比率。

This paper introduced the synthesis technics of low molecular weight bisphenol-A epoxy resin using BPA and ECH,and analyzed their advantages and disadvantages.

介绍了用双酚A和环氧氯丙烷制造低分子量环氧树脂的各种合成工艺，并对各种方法的优缺点进行了分析比较。

The Company excellent equipment, advanced technology, strong technical force, screen tests of formal, scientific, standardized, specialized in producing and selling a variety of stainless steel net (including widening, plus-made), welded wire mesh, Copper screen (brass network, Lintong network, copper network), galvanized mesh, black silk, Gou Hua network, ginning net, hexagonal, board Network, net Piercing , Hulan Wang, the conveyor belt, mesh, gas-liquid filter, with lacquer screens, thorn building dedicated to justice and various wire (fire wire, wire bundles, U-wire), construction of oil and other private network, products are widely used Petroleum, chemical, construction, pharmaceutical, electronics, textile, aerospace, and many other fields, and exported to the United States, Brazil, Germany, Japan, Southeast Asia and other countries and regions, by domestic and foreign merchants of praise.

本公司设备优良、工艺先进、技术力量雄厚、丝网检测手段正规、科学、规范，专业生产、销售各种规格的不锈钢网、电焊网、铜丝网（黄铜网、磷铜网、紫铜网）、镀锌丝网、黑丝布、勾花网、轧花网、六角网、板网（钢板网、铝板网，冲孔网）、护栏网、输送带、网片、气液过滤网、染漆窗纱、刺绳及各种建筑专用丝（火烧丝、捆绑丝、U型丝）、建筑石油专用网等，产品广泛用于石油、化工、建筑、医药、电子、纺织、航空航天、等多个领域，并远销到美国、巴西、德国、日本、东南亚等国家和地区，受到国内外客商的一致好评。

Preparation method of perfluorooctane based on n-octane and anhydrous hydrogen fluoride as starting materials via electrochemical fluorination is described in detail finally.

介绍了全氟辛烷的性质和用途，列举了合成全氟辛烷的各种工艺路线，最后较为详细地论述了以正辛烷和无水氟化氢为原料，通过电化学氟化法制备全氟辛烷的工艺过程。

Especially on the impregnation process, impregnator was unnecessary.

利用这种工艺，根据制品的形状设计模具，可以制造各种形状的产品，尤其是在浸渍工艺方面，不需要专用的浸渍设备。

This paper introduced several synthetic routes of methacrylic acid polyoxyethylene ester,reviewing their advantages and disadvantages.

介绍了甲基丙烯酸聚氧乙烯酯的几种合成工艺路线，并对各种工艺路线的优缺点进行了评述。

The Company is experiend in machining and technical skills,it is ready to design and manufacture all kinds of non-standard shotblast/sandblast e-quipment,and provide the consumables such as spare parts,steel shot and steel sand.

本公司积累了丰富的加工经验和工艺技术，可根据客户要求设计生产各种非标准抛丸、喷砂设备；同时提供各种规格的耐磨零部件、钢丸、钢砂等耗材。

The overview is in 20 centuries before 90 time the methane chloride of our country production basically uses conventional technology, but all sorts of craft lag behind quite mostly, begin to change methanol chloridize technology in succession from 90 time, but the technical level at that time and foreign photograph are older than difference, main show is dimensions quality of tall, product needs small, specific power consumption," 3 useless " big, equipment corrodes discharge capacity to wait for a problem badly.

梗概： 概述在20世纪90年代以前我国的甲烷氯化物生产主要采用传统技术，但各种工艺大多比较落后，自90年代开始纷纷改走甲醇氯化工艺，但当时的技术水平和国外相比差距较大，主要表现为规模小、能耗高、产品质量差、&三废&排放量大、设备腐蚀严重等新问题。

It specializes in manufacturing of diamond cubic boron nitride grinding wheel with various specifications and the products include diamond resinoid bonded grinding wheel, CBN resinoid bonded grinding wheel, diamond electroplated grinding wheel, diamond bronze grinding wheel, diamond paste, diamond grinding head and tungsten steel lathe tool used for machining of various metals.

产品介绍：我厂技术力量雄厚，设备齐全，工艺精湛，专门生产各种规格的金刚石，立方氮化硼砂轮，产品包括金刚石树脂砂轮，CBN树脂砂轮，金刚石电镀砂轮，金刚石青铜砂轮，金刚石研磨膏，金刚石磨头，和加工各种金属的钨钢车刀http：//www.86wheels.com

It specializes in manufacturing of diamond cubic boron nitride grinding wheel with various specifications and the products include diamond resinoid bonded grinding wheel, CBN resinoid bonded grinding wheel, diamond electroplated grinding wheel, diamond bronze grinding wheel, diamond paste, diamond grinding head and tungsten steel lathe tool used for machining of various metals.

我厂技术力量雄厚，设备齐全，工艺精湛，专门生产各种规格的金刚石，立方氮化硼砂轮，产品包括金刚石树脂砂轮，CBN树脂砂轮，金刚石电镀砂轮，金刚石青铜砂轮，金刚石研磨膏，金刚石磨头，和加工各种金属的钨钢车刀http：//www.xhxwheels.com

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐