"The ring itself is a fascinating object worthy of study because it is forming stars at a very high rate," Kartik Sheth, an astronomer at NASA's Spitzer Science Center, said in a press release.
“星环本身就让人兴奋,是很值得研究的事物,因为它的星体分布的密度非常高。”美国宇航局的斯皮策科学中心天文学家KartikSheth在记者会上说。
If you wish to become a non-profit regardless, get a copy of Flora MacLeod's Forming and Managing a Non-profit Organization in Canada, published by Self-Council Press.
如果你希望成为一个非盈利组织,去弄一份由自管委员会印发的在加拿大FloraMacLeod 形式和组织非盈利机构的复印件。
This paper analyzed the system output response dynamic characteristics of spinning gear adjustment control system of multi-point forming press.
以多点成形压力机中多轴齿轮传动调形单元为例,研究了传动系统输出响应的动态特性。
The article introduces the design methods of contact roller of internal press roller of forming machine of SSAW pipe mill(experience formula design).
介绍了螺旋焊管成型器内压辊斜置小辊线接触辊型的设计方法(经验公式设计法)。
The hydraulic jack besides USES in the forging and stamping forming, may also use in rectifying, the press mounting, the pack, the briquetting and the clamp and so on.
液压千斤顶除用于锻压成形外,也可用于矫正、压装、打包、压块和压板等。
A description has been made on a structure and principle of progressive die used on a general press for shear, upsetting and automatic feed used for forming small axial parts.
介绍了用在通用压力机上成形小型轴类零件的一种新型切断、冷镦自动送料连续模的结构形式、工作原理和设计要点。
The mechanical press is one of the most main forging and stamping equipments in metal plasticity forming processing.
机械压力机是金属塑性成形加工中的最主要的锻压设备之一。
Main topics investigated formerly in sheet metal press forming technology are breakage and crease.
在板材冲压成型技术中,以前的主要研究课题是破裂和起皱问题。
There fore, poor surface fineness becomes an important topic of current press forming technology to be investigated, which demands people to deepen their recognition.
因此,面形状精度不良问题已成为现代冲压成型技术的一大重要研究课题,目前人们对它的认识还要进一步深化。
Swing and rolling forming is a new press work and Labour saving process.
摆动辗压成形是一种新的压力加工工艺,采用该工艺十分省力。
Compact cracks in guide pieces caused by ordinary hydraulic forming press have been analyzed. Countermeasure to avoid cracks has been proposed for improving the qualification rate in mass production.
在普通液压式粉末成形机上压制成形同步器齿毂压坯的过程中,对压坯常见的裂缝进行了剖析,并提出了避免裂缝的措施,以提高其批产合格率。
There are many disadvantages for adopting the press forming techniques of mold to manufacture the inner hull of wave shape, so we are difficult to ensure its manufacturing quality.
采用模型压制成形工艺制造波形炉胆存在诸多缺点,难以保证其制造质量。
Bending: means the workpiece from the press brake forming process.
折弯:指工件由折弯机成型的工艺过程。
There are time delay of press forming under fixed pressure.
定压成型时,在压制后有保压延时及自动回程动作。
The structure and the working process of the die for closed forming on the common press were introduced. And the hydraulic system and the determination of the hydraulic parameters were stated.
介绍了在普通压力机上进行闭合成型的模具结构及其工作过程,并介绍了液压系统以及液压参数的确定。
Understanding the deformation conditions, the value and distribution of the parameters in press parts during the forming process are very important to the design of technology and dies.
了解冲压件在成形过程中的变形状况及其有关状态参数的数值与分布状况对于工艺设计和模具设计是十分重要的。
Stamping mould design makes full use of the function of the mechanical press, at room temperature conditions for forming, stamping parts production efficiency, and the economic benefit is remarkable.
冲压模具的设计充分操纵了机械压力机的功用特点,在室温的条件下对坯件进行冲压成形,生产效力进步,经济效益明显。
The intelligent sheet metal press forming is a new combined technology which is concerned with control science and computer science and sheet metal forming theory.
板材冲压成形智能化是一项涉及控制科学、计算机科学和板材塑性成形理论等领域的综合性新技术。
The press spring with balancing pressurized function and the forming resilient connection with steady and vibration reducing function.
利用能起到平衡增压作用的加压弹簧以及能起到平稳减震作用的弹性联结。
A double-strike direct electric drive screw press is a new machine used in particle and dispersed material forming.
双击式直接电动螺旋压力机是用于颗粒材料及离散材料成形的新型机器。
Forging forming process of large pipe produced on vertical hydraulic press was discussed. Relative tools and dies were designed, and production process was drawn up.
探讨在立式水压机上生产大型管材的锻造成型过程,设计相应的工模具,制订生产工艺。
Sheet warm forming process, sheet warm hydroforming process and sheet press forging process are introduced in this paper.
介绍了镁合金薄壁板材的温热冲压成形技术、温热液压成形技术和局部热冲锻成形技术。
By improving the design of forging die and using press-forging and backward extrusion principle, solves the problems of 130 steering knuckle forming which can not be fully filled during forming.
通过改进预锻模膛的设计,利用镦粗成型、反挤成型的原理,有效解决了130转向节板部模锻成型时充不满的问题。
The biodegradable composites made from bagasse fibre and biodegraded resin were prepared by press forming, and the effects of alkali treatments on the fibres and composites were investigated.
利用压制成型的方法制备了甘蔗渣纤维增强全降解复合材料,探讨了碱处理对材料性能的影响。结果表明,1%碱液处理后材料的力学性能得到了提高。
Dies are to be designed so they can be maintained in the press using inserts in forms and cut off sections. All forming inserts must be adjustable to accommodate stock thickness variance.
设计时应考虑使用成形入子及刀口入子,所有的成形入子应该可以根据料厚的变化可以调整。
Press forming of plastic products can be classified into thermosetting material forming and thermoplastic material forming. For example, bakelite of electric appliance industry.
塑料制品压制成型分为热固材料的成型和热塑性材料的成型。
In view of the construction feature of abnormal-axes, a kind of new multi-direction load press forming technology was proposed.
针对某异形轴结构特点,提出了一种新型多向加载挤压成形工艺。
At present, the hot research spot about the powder forming hydraulic press is the application of electro-hydraulic proportional technology in the powder forming hydraulic press.
目前,关于粉末成形液压机的研究热点是电液比例技术在粉末成形液压机中的应用。
The utility model discloses a forcing press combination bearing used on the forcing press crank connecting link of metal forming mechanical equipment.
本实用新型公开了一种锻压机械设备压力机曲柄连杆上使用的压力机组合轴承。
The utility model discloses a forcing press combination bearing used on the forcing press crank connecting link of metal forming mechanical equipment.
本实用新型公开了一种锻压机械设备压力机曲柄连杆上使用的压力机组合轴承。
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