查询词典 in situ

In this project, the selection criteria of matrix and reinforcement for obtaining composites with high strength and toughness are determined. The as-cast and aged microstructures of composites reinforced with particles of different strength are observed, and their metallurgical conditions and stabilization mechanisms are analyzed. The aging precipitation behaviors and mechanisms are studied. Some characteristics of nano-materials (micro-distortion areas) are found in 150nm- Al2O3p/Al composites and their formation mechanisms are expatiated. The "flexible" restriction to the deformation of the matrix by low strength AlN particle is observed by in-situ TEM and SEM techniques, and the mechanisms of its resist on cracks propagation and its contribution to composite strength are revealed. The high temperature deformation behaviors of Al2O3p/Al composites are studied. A rare-earth coating is established on sub-micron Al2O3 particles, leading to an improvement in wettability between coated Al2O3 and liquid aluminum and a decrease in infiltration pressure. The strength and ductility of coated particles reinforced composite are also increased. The interfacial characteristics, bonding structures and their formation mechanisms are studied, and the crystal orientation relationships between reinforcement particles and aluminum matrix are investigated. Finally a lighter composite with better balance of strength and damping properties is reinforced with hollow ceramic microballoons of ultra-lower strength.

本项目发现了获得高强度和高韧性复合材料的基体、增强体选择依据；观察了各种强度质点增强复合材料的铸态和时效态微观组织，分析其微观结构形成的金属学条件及稳定性机理，研究了其时效析出规律和时效机制，发现了150nmAl2O3颗粒增强铝基复合材料基体中的纳米材料特征，并解释了其形成机理；利用TEM和SEM动态拉伸技术发现了低强度质点AlN颗粒对变形协调的&柔性强化&机制，揭示了其对裂纹扩展的阻碍作用和对复合材料高强度的贡献；研究了中强度质点的Al2O3颗粒增强铝基复合材料的高温变形行为，并对其进行了稀土界面层设计与制备，改善了颗粒与铝合金之间的界面润湿性，降低了复合材料铸造渗透压力，提高了复合材料的强、韧性；研究了多种复合材料界面结构及形成机理，确定了增强体与基体之间的界面结合机制，分析了复合材料界面处的晶体学位向关系；最后制备了含微孔的中空型陶瓷颗粒增强的特种复合材料，得到了强度和阻尼综合性能较好的轻质复合材料。

In order to solve the inconvenience of in-situ welding of hot gas conduit pipe pressure shell and eliminate the undetermined factors in safety evaluation, the present invention proposes one connection structure for hot gas conduit pipe pressure shell, and the structure includes hot gas conduit pipe pressure shell, movable loose flange, double-headed screw bolt and nut for fixing the hot gas conduit pipe pressure shell onto the reactor pressure shell and the steam generator pressure shell.

为了解决热气导管压力壳现场焊接带来的各种不便和安全评价时的不确定因素，本发明提出了一种热气导管压力壳连接结构，包括热气导管压力壳、用于固定热气导管压力壳至反应堆压力壳和蒸汽发生器压力壳的活套法兰、双头螺柱及螺母；第一活套法兰压在热气导管压力壳一端的凸缘上，并通过第一双头螺柱及第一螺母使得热气导管压力壳的一端与反应堆压力壳上的法兰紧密联结；第二活套法兰压在热气导管压力壳另一端的凸缘上，并通过第二双头螺柱及第二螺母使得热气导管压力壳另一端与蒸汽发生器压力壳上的法兰紧密联结。

The straight thread connection technology is employed for the cast in-situ piling pile and pier column reinforcing bar connection in Nanchang-located a viaduct project.

南昌市某高架桥工程中钻孔灌注桩及墩柱钢筋连接采用直螺纹连接技术，接头质量稳定，大大加快了施工进度，节约了钢材，获得了良好的经济、社会效益。

The details are summarized as follows: 1.γ-irradiation is extended to control the morphology of microcrystals. In our experiments, copper acetate aqueous solution, a simple reaction system, is used at room temperature to prepare pure hexapod-shaped Cu〓O microcrystals, in which a buffer pair is in-situ formed to adjust the acidity of the reaction solution. Some important information on intermediate is obtained by changing the reaction parameter, which favors to reveal the inherent growth habit of Cu〓O.

发展了γ-射线辐照合成法对微晶的形貌的控制，在常温常压下从一个简单的反应体系——醋酸铜水溶液出发，通过辐照过程中原位产生的醋酸-醋酸根缓冲对的自发调节作用，控制反应体系的酸度从而合成得到了纯相的六足状氧化亚铜微晶；并通过改变反应参数，获得了中间体的信息，从而为揭示氧化亚铜的固有生长习性提供了条件。

In-situ synthesis process was used to prepare copper nanoparticles and coppernanoparticles-polyethylene glycol oil solution by reduction of copper acetate by glycol in polyethylene glycol containing amido ligand as dispersant.

采用原位合成法以聚乙二醇400作为反应介质，以氢氧化钠和氨基配体作为分散剂，用乙二醇还原六水合乙酸铜制备出纳米Cu粉和纳米Cu聚乙二醇溶液，用X射线衍射仪和透射电子显微镜表征其结构，在四球摩擦磨损试验机上评价了含不同质量分数纳米铜粉的聚乙二醇溶液的摩擦磨损性能，并与分散剂进行对比。

Effective regeneration programmers are essential to maintain the viability and genetic integrity of ex situ seed collections of crop germplasm.

有效的种质资源繁殖更新是保持作物异位保存种质资源活力和遗传完整性的首要工作。

The transmission magic-mirror method was applied to visualize and record the whole process of growth and melting of transparent crystals taking place in high temperature up to 1000℃ For matching to three-dimensional observation, a set of special furnace and crucible was designed and the growing process can be observed in two perpendicular directions and recorded in situ by CCD camera simultaneously.

最近开发了三维光学实时观察法，应用透视魔镜法实时观察并记录透明晶体的生长和溶解过程，最高使用温度为1000℃配合三维观察，设计并制造了一套独特的生长炉和坩埚，有二组互相垂直的光路可同时实时观察晶体生长过程，并通过CCD摄像头进行同步记录。

Grand Chu came after the first task is to cut a half an hour, Minister Wu,黑老大into a cell on the half hour from the beginning that the decline in the rule of cutting edge Minister King will step down, also to hit on the Chu Secretary of State, but later the company asked the journey, not to worry about, it is no longer clear兴师动众minister hit, but called on the Minister Shou so many invaders in situ.

大楚来了之后，第一项任务是半个小时砍一次吴国大臣，黑老大就半个小时进一次牢房，一开始，认为砍大臣下降统治力会使国王下台，就也回砸楚的大臣，但后来问过征途公司，这个顾虑没有了，就不再兴师动众砸楚大臣了，只是号召守大臣，让入侵者多多原地。

Sung-based metallwarenfabrik Tianchang City was built in 2004, is established in 1980,"Tianchang Diamond Wire Drawing Die Works" is converted in-situ on a dedicated wire drawing dies, stainless steel wire drawing, cleaning ball production, manufacturing, processing and marketing enterprises.

天长市淞基金属制品厂建于2004年，是在1980年建立的&天长县钻石拉丝模厂&的原址上改建而成的一家专门从事拉丝模具、不锈钢拉丝、清洁球的生产、制造、加工、销售一体化企业。

Normal Open Type A unique application of the direct-acting valve structure, when power to the electromagnetic coil when the head is located in the coil around the core component may generate a static magnetic, gravity and Balance valves magnetic components to overcome the stem return spring will be moving core, together with the elastic Stem components suck up with effect, so that even in the solid components of the valve stem disc closely aligns closely with the valve seat and seal, the valve closed; power, the valve plate in the return spring and the stem components of gravity under restoration in situ, the valve opening, pipeline back to normal ventilation.

常开型 阀门应用独特的直动式结构，当给电磁头的线圈通电时，位于线圈周围的静铁芯组件便产生磁性，磁力克服阀杆组件重力和回位弹簧弹力后将动铁芯连同阀杆组件向上吸起，从而使固连在阀杆组件上的阀盘与阀座紧密贴紧而密封，阀门关闭；断电后，阀盘在回位弹簧及阀杆组件重力作用下恢复原位，阀门开启，管道恢复正常通气。&Gas solenoid valve works &是由中国电磁阀网提供的国际阀门新闻，译文仅供参考。另外，中国电磁阀网还提供相关产品搜索：电磁阀型号、电磁阀价格、电磁阀技术、电磁阀新闻、电磁阀生产商等。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。