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The blood relationship tree and evolution position of Tibet mini-pig were established. Result There were 14 mutation sites between domestic pigs in China and pigs from Europe. Besides there was a significant difference in two nucleotide site: a T→C switch in site 420 and the G→A switch in site 883 at the same time.

结果 西藏小型猪等国内部分品种猪的Cyt b基因序列与欧洲猪相比有14个变异位点；但是西藏小型猪与国内品种猪相比存在两个特殊碱基位点即在420位点T→C转换的同时在883位点存在G→A转换。

Fault current greater than the breaking load switching capacity, must ensure that fuse load switch can be dissolved up the rear sub-gates; when the fault current is less than the breaking load switching capacity, ensure the sub-gate and fuse load switch does not move.

故障电流大于负荷开关的开断能力时，必须保证熔断器溶断后负荷开关才能分闸；当故障电流小于负荷开关的开断能力时，保证负荷开关分闸而熔断器不动作。

Adjust the actuator limit switch cam, loosen the limit switch cam and move it up and down till the limit

调整执行机构限位开关凸轮，旋松限位开关凸轮，使其上、下移动，直到限位开关响应。

According to this phenomenon, we analyze the original circuit structure of unreasonable, in the original circuit has added a intermediate relay (5J), a limit switch, and take advantage of the original paper cutting, the unused in the buttons on the normally closed contact, specifying the control switch some of cam shape change, so that you solve the Cutter knife to cut the ?

根据这种现象，我们分析了原电路的不合理结构，在原电路中添加了一只中间继电器（5J）、一只行程开关，并利用了原切纸按钮中未用上的常闭触点，同时将控制行程开关的凸轮形状稍加改变，这样就彻底解决了切纸刀切下后自动复位难的问题，使切纸速度达到了要求的次数。

And estimated highly on their quality in world market of America, Asia, Europe and like places, and as manufacturing industrial control parts firm of terminal block, micro cam, toggle switch, relay, relay-socket, lamp, panel-control switch.

&，&成浩电器部件有限公司主要生产接线盒、微型开关、凸轮开关、拨动开关、继电器以及继电器开关、模拟定时器、指示灯等接近开关及其它仪用开关。作为部件专业制造企业，在美洲、亚洲、欧洲等世界市场上很受欢迎，而且继续研究、开发新型产品。

Capacity electron switch self coupling AC regulator, it is composed of twain class switch by BTA, that two self cou pling transformer.

智能电子开关自耦交流稳压电源由两只自耦变压器组成两级调节方式。

Capacity electron switch self coupling AC regulator, it is composed of twain class switch by BTA, that two self cou pling transformer.

文摘：智能电子开关自耦交流稳压电源由两只自耦变压器组成两级调节方式。

Company car combination switch, switch off and landing two glass product-oriented, market-oriented maintenance for a long time, and supporting exports.

公司汽车组合开关、玻璃升降器开关两大系列产品为主导，长期以来面向市场维修、出口及配套。

Air switch, contactor and thermo switch all adopt Schneider series products.

空气开关、接触器、热继电器均采用施耐德系列产品，其它继电器、按钮开关、指示灯等电器均采用国内名优产品；用上述器件组成的电控系统，工作可靠性高、使用寿命长。

This product is widely used in a variety of relays, AC contactor, air switch, button switch, thermal protection , and temperature control devices, circuit breakers, electrical appliances and automotive electrical starter and so on.

本产品广泛应用于各种继电器，交流接触器，空气开关，按钮开关，热保护器，温控器，断路器，起动电器及汽车电器等等。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。