三价

The preparative technique of solid lubricant is cold-press sintering method.The micro-structure , friction surface, lubricant transfer film surface of base material was characterized by SEM; XRD was used to do phase analysis. The degrees of crystallinity of pure PTFE under the different conditions of water cooling, air cooling and furnace-varying cooling were made comparison by XRD. The thermal stability of pure PTFE and solid lubricant was analyzed by DSC-TG; The composition and valence state of elements in the surface of carbon fiber ,solid lubricant before and after friction test and lubricant transfer film were characterized by XPS; The frictional property of solid lubricant was tested by pin and disk test rig .

用SEM表征原料微观结构、摩擦表面及润滑转移膜表面形貌：用XRD进行原料物相分析，及比较水冷却、空气冷却、随炉冷却三种工艺条件下的纯聚四氟乙烯树脂的结晶度；用DSC-TG分析纯聚四氟乙烯树脂及固体润滑剂的热稳定性；用XPS表征碳纤维表面、固体润滑剂摩擦前后表面、润滑转移膜表面的元素组成、价态变化；用销盘式摩擦磨损试验机对固体润滑剂进行摩擦性能测试；采用专用的台架模拟试验机对固体润滑剂镶嵌轴承套与钢轴摩擦副间的摩擦磨损性能进行测定；用莱次偏光显微镜测试固体润滑剂的硬度；用材料试验机测试固体润滑剂的抗压强度等。

Which, sGKz8 varieties in the 2003-2004 national regional trials, seed cotton, lint, lint before frost control were 41 varieties of cotton by 121.1%, 126.4%, 129.2%, ranking first in 2005 through the national approval , is the first of bivalent insect-resistant genes to the three new varieties of hybrid cotton; otherwise GKz28, sGKz6, sGKz34 combination of a total of three test are participating in the National District.

其中，sGKz8在2003-2004年全国品种区域试验中，籽棉、皮棉、霜前皮棉分别为对照品种中棉所41的121.1%、126.4％、129.2%，均居第一位，2005年通过国家审定，是我国第一个转双价抗虫基因的三系杂交棉新品种；另有GKz28、sGKz6、sGKz34共3个组合正在参加全国区试。

The results show: the new schedule was simple, easy-running, and the Quality of cured tobacco was improved: rates of orange tobacco, the first class tobacco higher than check by 3.38, 4.74percentage, average price is 01.53 yuan/kg higher. Meanwhile, total sugar, starch, nicotine, total nitrogen, protein and the difference between total sugar and reduce sugar is lower, and chemical composition is more balance than check.

结果表明：设置的烘烤工艺阶段简单，操作方便，烟叶烘烤后，比三阶段烘烤工艺烘烤的烟叶桔黄烟比例、上等烟比例、上中等烟比例分别增3.38、4.74、2.03个百分点，鲜干比增高0.03，均价提高0.53元/kg；总糖、淀粉、总氮、烟碱、烟碱氮、蛋白质的含量及总糖与还原糖的差值有所降低，烟叶化学成分更为协调。

Philippe Ségalot, an art advisor, Jose Mugrabi, a dealer who owns some 800 Warhols, Abdallah Chatila, a Lebanese collector, and two other Sotheby's staff members, Loic Gouzer and Bruno Vinciguerra, together nodded and waved the lot all the way up to its $39m hammer price.

一位艺术顾问--Philippe Ségalot，一位拥有大约800幅沃霍尔作品的承销商--Jose Mugrabi，一位来自黎巴嫩的收藏家--Abdallah Chatila，以及索斯比拍卖行的两位工作人员--Loic Gouzer和Bruno Vinciguerra，或频频举牌，或点头示意，将价格抬升至三千九百万美元的原定落锤价。

Pseudosciaena crocea were immunized with formalin-killed and heat-killed trivalent vaccines by immersion and injection, which was made up of four experimental groups.

采用0.5%福尔马林4℃灭活和65℃热灭活2种不同的方法制备三联疫苗作为抗原，以多次腹腔注射或浸泡的方式免疫大黄鱼，通过测定受免大黄鱼血清中抗体凝集效价变化并进行攻毒实验以评估保护效果。

In the medium without copper and iron, onlywith ferric citrate , the expression of FDR3 could complement the growth defect of ctrl mutant .CTR1 is a member of high梐ffinity iron transport system .

酵母突变体中铁高亲和系统的成员Ctrl缺失突变，培养基中不供给二价铁和铜，仅以柠檬酸三铁作为唯一的铁源，FDR3基因的表达能够恢复Ctrl突变体在该选择培养基中的表型生长。

It demands to have threedigits mileages to show, and can be precise to 1 kilometer; Themileage is 5 kilometers to need to set up starting, starting fareis 10 yuan; It can set up price of each kilometer, charge for anincrease of a kilometer of expenses when waiting every ten minutes;it can be replace to the zero clearing ; drive charge stops whilewaiting, waiting charge stops while driving.

摘 要：本文介绍了新型出租车计价器控制电路的设计。要求有三位里程显示，并能精确到1公里；需设置起步里程为5公里，起步价10元；可以设置每公里单价，候时收费为每10分钟增收一公里费用；能复位清零；候时，行车计费停止，行车，候时计费停止。

It demands to have threedigits mileages to show, and can be precise to 1 kilometer; Themileage is 5 kilometers to need to set up starting, starting fareis 10 yuan; It can set up price of each kilometer, charge for anincrease of a kilometer of expenses when waiting every ten minutes;it can be replace to the zero clearing ; drive charge stops whilewaiting, waiting charge stops while driving.

要求有三位里程显示，并能精确到1公里；需设置起步里程为5公里，起步价10元；可以设置每公里单价，候时收费为每10分钟增收一公里费用；能复位清零；候时，行车计费停止，行车，候时计费停止。

It demands to have three digits mileages to show, and can be precise to 1 kilometer; The mileage is 5 kilometers to need to set up starting, starting fare is 10 yuan; It can set up price of each kilometer, charge for an increase of a kilometer of expenses when waiting every ten minutes; it can be replace to the zero clearing ; drive charge stops while waiting, waiting charge stops while driving.

要求有三位里程显示，并能精确到1公里；需设置起步里程为5公里，起步价10元；可以设置每公里单价，候时收费为每10分钟增收一公里费用；能复位清零；候时，行车计费停止，行车，候时计费停止。

It demands to have three digits mileages to show, and can be precise to 1 kilometer; The mileage is 5 kilometers to need to set up starting, starting fare is 10 yuan; It can set up price of each kilometer, charge for an increase of a kilometer of expenses when waiting every ten minutes; it can be replace to the zero clearing ; drive charge stops while waiting, waiting charge stops while driving.

论文编号：JD613 包括开题报告，任务书，外文翻译，论文字数：16824，页数：36摘要：本文介绍了新型出租车计价器控制电路的设计。要求有三位里程显示，并能精确到1公里；需设置起步里程为5公里，起步价10元；可以设置每公里单价，候时收费为每10分钟增收一公里费用；能复位清零；候时，行车计费停止，行车，候时计费停止。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。