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The results show that the flow stress decreases with increasing deforming temperature and increases with increasing strain rate. The flow stress of the alloy during hot compression deformation can be described by constitutive equation in hyperbolic sine function with a hot deformation activation energy of 196.27 kJ/mol. Partial recystallization takes place in the alloys deformed at a high temperature or at a low strain rate, and large number of dislocations and subgrains are observed in the alloy. The elongated grains observed in the samples coarsen with increasing temperature and decreasing strain rate. Correspondingly, the subgrain size increases and the dislocation density decreases. The main soften mechanism of the alloy transforms from dynamic recovery to dynamic recrystallization.
结果表明:Al-Cu-Mg-Ag耐热铝合金在热压缩变形中的流变应力随着温度的升高而减小,随着应变速率的增大而增大;该合金的热压缩变形流变应力行为可用双曲正弦形式的本构方程来描述,其变形激活能为196.27kJ/mol;在变形温度较高或应变速率较低的合金中发生部分再结晶,并且在合金组织中存在大量的位错和亚晶;随着温度的升高和应变速率的降低,合金中拉长的晶粒发生粗化,亚晶尺寸增大,位错密度减小,合金的主要软化机制逐步由动态回复转变为动态再结晶。
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Hotel, catering mainly to business, inherit and carry forward the old traditional food culture丰泽园, the shop has 18 different sizes, different styles of restaurants, ballrooms and banquet with luxurious lounge songs, the excellent all-round quality service to high standards way of working for major high school banquet, a private celebration, business dinner to discuss tourism and at the same time to accept more than 700 guests, the hotel is now a strong technical force, and to one of the top ten chefs are veteran Wang represented by a large number of special Chef cooking technician, hotel operators authentic cuisine, Shandong, Beijing roast duck run at the same time, We are good at cooking various dishes Delicacies, light on our rich, full-bodied non-greasy good, pay attention to clearance, incense, fresh, tender, crisp, good name Commodities官燕a dish, sky shark,葱烧sea cucumber, fish maw casserole, skirts clear beef broth, eggs and other gray meat.
饭店以经营餐饮为主,继承和发扬老丰泽园的饮食文化传统,店内有十八个大小不同、风格各异的餐厅、宴会厅和豪华的歌伴宴雅座,采用全方位高标准优质量服务方式,可承办大型高中宴会、喜庆家宴、业务洽谈旅游订餐,同时接纳700多位宾客,现饭店技术力量雄厚,有以全国十大名厨之一的王义均老师傅为代表的一大批特级技师主厨料理,饭店经营正宗山东菜,同时兼营北京烤鸭,本店擅长烹制各种山珍海味菜肴,素以清淡味浓、醇厚不腻见长,注重清、香、鲜、嫩、脆,拿手名菜有一品官燕、通天鱼翅、葱烧海参、沙锅鱼肚、清炖裙边、烩乌鱼蛋等。
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The deformation mechanism is mainly the single-slip and cross-ship, the fracture mechanism is mainly the congregation of transgranular micro-hole, and large uniform deformation occurred before tough fracture, and therefore, the ability of plastic deformation and the mechanical properties of the material were remarkably improved. These fully indicate that the new melt-treatment developed in this work is an effective and advanced technique, and further testify that the improvement of metallurgical quality of the material is the key to enhance its mechanical properties, especially its plastic deformation performance. The results of tensile and compression tests at elevated temperature also indicate that the suitable hot-working temperature range is 400~450℃. 4. A steady-state plastic flow exists during the plastic deformation of the aluminum sheet used for pressure can at elevated temperature. A hyperbolic sine relationship can be satisfied between the steady-state flow stress and strain rate by introducing an Arrhenius term which involves some thermal activation parameters, i.
压力罐用铝材中的主要冶金缺陷为Al〓O〓夹杂物、气孔及富Fe杂质相;高效熔体处理显著改善了材料的冶金缺陷的存在形态,使含杂量明显减少、夹杂物尺寸变细小且分布均匀,富Fe杂质相变为细小、分布均匀的团球状或短棒状的复杂化合物,同时也明显细化了结晶组织;此外,由于高效熔体处理有效地减少了材料中裂纹萌生源数量,因而改变了材料的塑性变形微观过程及断裂方式,主要以单滑移和交滑移进行塑性变形,断裂方式为穿晶微孔聚集型,韧性断裂前产生了大量的均匀变形,不易出现变形失稳,从而显著提高了罐用铝材的塑变能力和力学性能。
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RESULTS: The microscopic observation showed chondrocytes in the transducted group proliferated stably, and triangle, and spindle cells were predominant in the seventh passage, accompanied by few long-spindle and root cells. In addition, the cells were of clear appearance and large lucency. However, in the non-transducted group, long-spindle cells were observed in the fourth passage, and almost all cells exhibited long-spindle shape in the fifth passage.
结果:①倒置显微镜观察,转导组兔关节软骨细胞生长增殖稳定,至第7代仍旧以三角形、梭形及纺锤形细胞为主,偶见长梭形和树根形细胞,且轮廓清晰,透亮度大,折光性强;而未转导组细胞培养至第4代时即己出现长梭形细胞,自第5代细胞形态几乎全部变成长梭形。
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We shall adhere to develop big circulation companies and large circulation groups simultaneously, encourage the establishment of small and medium circulation enterprises, actively create new jobs, give more supports to these enterprises in terms of the market access, the designated operation of franchised commodities and services as well as land use, make special provisions of State laws and regulations as well as preferential policies granted to foreign-funded enterprises and big enterprises in various places available to small and medium circulation enterprises, simplify procedures of examination and approval for the establishment of the said enterprises from the standpoints of encouraging establishment and making the registration easier, and never specify pre-examination and approval unless particularly stipulated by laws, administrative rules and regulations.
四、支持创办中小流通企业,放宽市场准入限制坚持发展流通领域大公司、大集团与扶持中小流通企业并举。鼓励创办中小流通企业,积极开发新的工作岗位。在市场准入、专营商品和服务的指定经营、土地使用等方面,应给予中小流通企业更多的支持,除国家法规有特殊规定外,各地给予外资企业和大企业的优惠政策,应同样适用中小流通企业。应从鼓励开办、方便注册的角度出发,简化中小流通企业设立审批程序,除法律、行政法规有特殊规定外,不得设置前置审批。
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We shall create an external environment for fair competition, earnestly clear up administrative rules and regulations as well as policies which are not conducive to the development of small and medium circulation enterprises, study and formulate policies and measures which are both commensurate with rules of WTO and favorable to the development of the said enterprises, further rectify and regulate the market order, seriously investigate undue conducts of competition, adhere to cancel the regional protectionism, create a market environment favorable for the fair competition between small and medium circulation enterprises and large enterprises, effectively alleviate burdens of small and medium circulation enterprises, supervise and inspect charges collectable which have been canceled and insist on making investigation and giving punishments if more burdens are cast on small and medium circulation enterprises by means of various pretexts and in disguised forms.
创造公平竞争的外部环境。认真清理各种不利于中小流通企业发展的行政法规和政策规定,研究制定符合世贸组织规则又有利于中小流通企业发展的政策措施。进一步整顿和规范市场秩序,严肃查处不正当竞争行为,坚决取消地方保护主义措施,创造有利于中小流通企业与大企业公平竞争的市场环境。要切实减轻中小流通企业负担,对已取消的收费项目要进行监督检查,对巧立名目、变相增加中小流通企业负担的,要坚决予以查处。
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The hexagonal and monoclinic monazite CePO4 nanowires with a narrow range of diameter distribution and large aspect ratio were synthesized mildly through hydrothermal process at 150 ℃ using CeCl3·7H2O and H3PO4 as the raw materials. The crystal structure, micro-morphology, and photoluminescence of the nanowires were characterized by XRD, TEM, HRTEM, and UV spectrophotometer.
以铈盐和磷酸为前驱体,经水热合成获得了高长径比的具有六方晶型和单斜晶型独居石结构的CePO4纳米线,采用XRD、HRTEM、SEM和荧光光度计对其晶相组成、形貌及发光性能进行了表征。
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The critical treatment of the Zohar, begun by Emden, was continued toward the middle of the nineteenth century by a large group of modern scholars, and much was contributed in the course of the following period toward a better understanding of the Cabala, although more still remains obscure.
危急治疗的佐哈尔,开始由emden ,继续朝着19世纪中叶,由一个大集团的现代学者,并取得不少贡献,是在执行过程中的下列期限朝着更好地了解有关cabala ,虽然越来越多的仍仍然模糊。
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Eusebius of Caesarea (340), while personally accepting II Peter as authentic and canonical, nevertheless classes it among the disputed works, at the same time affirming that it was known by most Christians and studied by a large number with the other Scriptures.
优西比乌的凯撒利亚( 340 ),而亲自接受第二彼得真实和规范,但是班级之间的有争议的作品,同时申明,这是已知的最基督教徒和研究了大量的其他圣经。
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Eusebius of Caesarea (340), while personally accepting II Peter as authentic and canonical, nevertheless classes it among the disputed works, at the same time affirming that it was known by most Christians and studied by a large number with the other Scriptures.
尤西比乌斯的撒利亚( 340 ),而亲自接受第二彼得作为真实的典型,不过,这班之间有争议的工程,在同一时间,申明,这是已知的大多数基督徒和研究了大量与其他经文。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?