查询词典 paper-mache

Even the base was formed of paper, wood, wall and cloth, rather than the sole cartridge paper base used now.

画作的底部甚至是由纸、木材、墙和衣服而不如同现今只是单纯纸张的使用。

The exhibition includes a cartridge, toner cartridge, ribbons, photo paper, ink, toner, ink on the production line, filler, continuous inking device, empty boxes, copier, Business card printing machine parts, copy machine parts, paper, ink, technical services, and so on various fields of imaging supplies remanufacturing compatible products.

展会内容包括了墨盒、硒鼓、色带、相片纸、墨水、墨粉、灌装机、墨粉生产线、连续供墨设备、空盒、复印机、制卡机配件、复印机配件、版纸、油墨、技术服务等不同领域的兼容再制造影像耗材产品。

At the same time, combining with the actual condition of delivery pipeline of our country and some prevalent leak detection and location methods, this paper raised a method, which is based on wavelet analysis and negative- pressure-wave to detect and locate the leakage. Jobs in the paper are as follows:As affected by gas density, pressure, specific heat and pipe material, the velocity of negative-pressure-wave improved depending on the energy conservation. At one time, taking the affection of velocity of gas flow, the location formula was modified in some degree.When locating the leaks with location formula, the iterative approach algorithm was adopted as a new method to increase the location accuracy level of system.Multi-scale decomposition and reconstruction of wavelet transform is utilized to filter the noise of negative-pressure-wave, which was brought by leakage. With the capacity to detect the signal singularity fast and accurately, wavelet transform was used to catch the break point of pressure signal. The work improved the accuracy of At in location formula, accordingly improved the location accuracy.Wavelet is a suitable tool for signal analysis. The distinct character is that the mother-wavelet is of optional. That means choosing different mother-wavelet will get different analysis result. So we studied how to choose mother-wavelet and its scale for signal singularity detection. The method is to choose a wavelet by regularities of the wavelet and the signal.Finally, a plan, which bases on SCADA system for inspection and detection of natural gas leakage, is proposed in the article.

其中，主要进行了以下几方面的工作：针对泄漏产生的负压波在管道中的传播速度受媒介的密度、压力、比热及材质等因素的影响，而非声波在空气中传播的速度，本文利用能量守恒原理，对其进行了修正；考虑到管内气体流速对压力波速的影响，对原始的负压波定位公式进行了一定程度的改进，并在利用定位公式进行泄漏点定位时采用逐步迭代逼近算法，提高了系统的定位精度；利用小波变换的多分辨率分解和重构技术，对采集到的管道发生泄漏时产生的负压波信号进行了降噪处理；并利用小波变换技术对信号奇异点的快速、准确的识别能力，对经上述消噪后的负压波信号进行了奇异点捕捉，精确捕捉的结果提高了定位公式中上下游站点采集到的负压波奇异点的时间差△t的精度，从而进一步提高了定位的精度；考虑到小波变换是一种基波可变的信号分析工具，也就是说，不同的小波基波对信号分析的结果将有很大差别，这势必影响最终的处理结果，因此，我们又对比分析了本课题中小波基及尺度的选择问题，依据规则性系数相似性原理对母小波的选择进行了探索性研究；最后，还提出了基于SCADA的泄漏检测与定位系统的软件开发构想及系统的嵌入方案。

Through using category theory, this paper investigates the properties of subcoalgebras, especially, the properties of subcoalgebras on Set, the category of sets and functions. This paper shows that all the subcoalgebras on Set are regular.

以范畴理论为工具讨论子共代数的性质，特别是集合范畴上的子共代数的性质，证明了集合范畴上的子共代数都是正则子共代数。

The innovation of this paper is the presention of supporting logic zone, logic centrex, and physical /logical resource management in softswitch controller, and the paper points out corresponding solutions to problems encountered in implementation.

本论文的主要创新点在于提出了支持运营区域和工作组，支持逻辑资源/物理资源划分的软交换控制设备的设计，并针对实现中遇到的若干问题也给出了相应的解决方案。

It is the most powerful means of eradicating schistosomiasis. Current method of elimination cercaria is mainly the chemical method which has many disadvantages such as drug resistance, drug dilutedness, environmental pollution and poisoning the other biology, etc. For these reasons, this paper poposed a new method of elimination through high-voltage pulsed electric field, discussed the feasibility of the new method, studied the elimination mechanisms of using different forms of electrodes, analyzed various factors which influences the effect of elimination and introduced the structure of high-voltage pulsed electric field system at the stage of laboratory. Moreover, this paper showed the security problems that should be considered during the research and experiment.

针对常用的化学药物杀灭法存在的易使尾蚴产生抗药性、水域宽广致使药效降低、污染环境、毒杀其它生物等弊端，本文提出了一种利用高压脉冲电场杀灭血吸虫尾蚴的新方法，探讨了这种电子杀灭方法的可行性，分别研究了采用锐形电极和平板电极的血吸虫尾蚴杀灭机理，分析了影响尾蚴杀灭效果的各种因素，介绍了实验阶段血吸虫尾蚴高压脉冲电场杀灭系统的构成，指出了系统研制和试验过程中需要充分考虑的安全性问题。

The paper introduces the"bullwhip effect"of a supply chain and the application of software Witness, and discusses the simulation of software Witness in the supply chain system. The structure of supply chain in the paper is composed by steel company, steel service center, parts manufactures and car factories. The lead-time of order and the time of transportation in each stage and of whole chain are the main performance index at present research stage.

文章介绍了供应链中的"牛鞭效应"以及Witness的基本应用，讨论了在供应链系统中利用Witness软件进行仿真的方法，采用了由钢铁公司、钢材服务中心、部件生产商和汽车厂所组成的供应链结构进行仿真，整个供应链和供应链上各节点的订货提前期和运输时间是所介绍的模型中的主要供应链绩效指标。

Speciality paper manufacturer Cham Paper Group presented three ground-breaking innovations at Labelexpo Europe in Brussels.

专业的造纸商肯特纸业集团提出了三项开创性地在布鲁塞尔的欧洲标签创新。

With the development and progress of the society, autonomous learning and characteristic learning become more and more important in the instructional mode of adult education, and the paper-and-pen exam comes to expose its disadvantage like unilateralism and changelessness. We find out in instructional practice that the paper-and-pencil tests usually hard to fit the cognition of adult learner, so it is hard to evaluate accurately and efficiently.

在实际教学中我们发现，传统的笔试方式往往很难适应成人学生的认知特点和认知规律，从而难以保证考试结果作为课程教学效果测评的准确性和有效性；并且，传统笔试形式极大忽略了考试的诊断反馈功能，忽略了考试结果所体现出的教学过程中出现的问题或是教师很难从考试结果中发现问题，因此不能有针对性地改进教学。

China steel industry has its own characteristics, so this paper studies on a more suitable model under Chinese environment. This paper gives a brief introduction to the current marketing channel and commercial model of iron and steel distribution industry of our country. It puts forward problems existing in commercial model.

本文详细地介绍了国外发达国家钢铁流通行业和钢材剪切中心的情况，以及我国钢铁流通行业现有的营销渠道、业态模式，指出了我国钢铁流通业态模式中存在的主要问题，同时，针对我国剪切加工配送中心的发展和现状进行了分析。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。