查询词典 phase change

Along with the development of aircraft design engineering data management system (CADIS/IEDMS), a model of digital product in aircraft design phase, which is composed of integrated document, product structure and change control, is proposed.

结合飞机设计工程数据管理系统的开发，提出并描述了由集成文挡、产品结构和更改控制组成的飞机数字化产品模型，阐述了飞机设计工程数据管理系统的功能模型，重点讨论了系统中产品结构树的生成算法，最后提出了基於工程数据管理的数字化飞机并行设计过程模型。

The invention adopts a semiconductor laser or other pumping lights, such as a LED light, to pump the etalons, optical elements and wave plates made of optical materials which can absorb the pumping light, and regulates the output power of the pumping light to change the temperature of transmittance zones of the etalons, wave plates and optical elements so as to realize the changing of transmission wavelength of the etalons, the quick changing of wave plate phase and the quick changing of optical length of optical elements.

本发明采用半导体激光或其他泵浦光如LED光泵浦由可吸收泵浦光的光学材料制作的标准具、光学元件、波片，由调节泵浦光输出功率改变标准具波片、光学元件透光区域的温度，从而实现标准具透过波长的改变、波片相位快速变化，光学元件光学长度快速变化。

Change after finishing, still need to finish " two years of first phase " audit works.

股改完成后还需要完成&两年一期&的审计工作。

Compared with the exponent function, the power function can be more suitable for fitting the change of chemicals concentrations in runoff under unsaturated conditions from the loess slope,as well as,the mass loss of potassium and bromine in runoff,but not for initial phase. The study offered a reference for developing the model of soil nutrient in runoff transport of the loess slope.

同时利用两种类型描述径流养分浓度模型对实测资料进行分析，结果显示与指数函数模型相比较，采用幂函数模型能够较好地模拟黄土坡面非饱和条件下径流溶质浓度变化过程，同时幂函数模型也能够较好地描述径流中钾离子和溴离子的质量变化过程，为进一步完善黄土坡面径流养分迁移模拟模型提供了参考。

This cycle valves primarily for the drilling phase, for high cycle speeds and designed to change the Resilient Seated Gate Valves flow path.

这种循环阀主要是为钻井阶段，要求高循环速度和改变流动通道而设计的。

When polyethylene glycols has a reversible heating and cooling, its super molecule structue will have some change in macroscale of its properties called phase transition.

在对聚乙二醇进行冷热循环处理时，其超分子结构会发生某种相的转变，从而改变宏观性质而具有特殊的蓄热调温性能。

In electronic moire phase-shifting virtual plane technology, we began to research testing for the large departures from referent wavefronts and change the pattern of Offner Null testing in conventional aspheric testing, finally present the idea of electronic virtual plane.

在电子莫尔虚拟样板中，改变了传统非球面检测Offner零位检测手段，而采用直接对被测表面进行采样，获得虚拟样板的检测技术。

Capture market twinking change, agile and timely adjust product structure, make sell the job to appear new phase, 93 years the envelope sells production value to break through 5 million yuan, export an envelope to sell 1.75 million yuan among them.

抓住市场瞬息变化，灵活适时调整产品结构，使销售工作出现新局面，93年信封销售产值就突破500万元，其中出口信封销售175万元。

In different buffer system, the concentration change trend of taxol in organic phase is also different.

在不同的缓冲液中，有机相中紫杉醇的浓度随时间的延长变化趋势是不同的。

This paper proposes an self-adaptive speed-accommodating control circuit,which can get the speed-error,and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed.

文章介绍了通过自比较来检测录音机主导轴单相永磁交流测速发电机反馈信号的频率变化，从而获得速度误差，并自动校正转速的一种自适应速度调节控制电路。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐