介绍

The acylation method s of determining hydroxyl value of polyether in the industry and scientific presently research was introduced.

介绍了工业生产和科研中常用的酰化法测定聚醚羟值的方法，讨论了在酰化过程中影响实验结果的各种因素，简要介绍和分析了其解决措施。

This article introduced security aerocyst knowledge and so on principle of work and protective function mechanism as well as failure diagnosis and elimination, but also introduced the Audi A6SRS system's characteristic, the composition, the principle specifically.

本文介绍了安全气囊的工作原理和保护作用的机理以及故障诊断与排除等知识，还具体介绍了奥迪A6SRS系统的特点、组成、原理。

The servicemen must grasp this system's composition structure and the principle of work, to the breakdown which occurs can carry on the correct diagnosis and the elimination, guaranteed SRS system when accident collision triggered reliably correctly, guarantees escorts while personnel's person safety this article introduced security aerocyst knowledge and so on principle of work and protective function mechanism as well as failure diagnosis and elimination, but also introduced the Audi A6SRS system's characteristic specifically.

维修人员必须掌握该系统的组成结构和工作原理，对发生的故障能够进行正确的诊断和排除，确保SRS系统在意外碰撞时正确可靠地触发，保护驾乘人员的人身生命安全本文介绍了安全气囊的工作原理和保护作用的机理以及故障诊断与排除等知识，还具体介绍了奥迪A6SRS系统的特点。

The servicemen must grasp this system's composition structure and the principle of work, to the breakdown which occurs can carry on the correct diagnosis and the elimination, guaranteed SRS system when accident collision triggered reliably correctly, guarantees escorts while personnel's person safety this article introduced security aerocyst knowledge and so on principle of work and protective function mechanism as well as failure diagnosis and elimination, but also introduced the Audi A6SRS system's characteristic, the composition, the principle specifically.

维修人员必须掌握该系统的组成结构和工作原理，对发生的故障能够进行正确的诊断和排除，确保SRS系统在意外碰撞时正确可靠地触发，保护驾乘人员的人身生命安全本文介绍了安全气囊的工作原理和保护作用的机理以及故障诊断与排除等知识，还具体介绍了奥迪A6SRS系统的特点、组成、原理。

With that ,we decide to use WINDDK to compile the driver program which is closer to hardware and can be handled agilely after compare the several popular way of making WDM driver program, in despite of it will bring more difficulty.

在介绍了驱动程序的安装方法后，详细介绍了应用程序的编制和驱动程序和应用程序的连接方法，以及如何利用GUID找到设备接口名这一关键步骤。

The technological process in preparation of the delafossite structure p-TCO thin films by sol-gel method is discussed systematically. The relative advantages and disadvantages of the systems of sol about organic alkoxide and inorganic salt are analyzed, and further development are discussed. It is pointed out that sol-gel method is an effective and feasible means to prepare p-TCO thin films.

本文介绍了铜铁矿结构p-TCO的结构特性以及溶胶凝胶法的基本原理和特点；系统地介绍了溶胶凝胶法制备铜铁矿结构p-TCO薄膜的工艺；分析比较了有机醇盐、无机盐溶胶体系的优缺点；最后讨论了进一步的发展方向，指出溶胶凝胶法是一种高效可行的制备p-TCO薄膜的方法。

First introduction whole wave commutate electric circuit ofwork principle, immediately after introduction the electriccapacity filter the function characteristics of an electriccircuit, and in the electric circuit adoption exaltation stability,exaltation temperature stability and limit flow a type over flowprotection electric circuit of concrete measure with insure anelectric circuit safety stability of work.

首先介绍了全波整流电路的工作原理，接着介绍了电容滤波电路的性能特点，然后引入了具有放大环节和辅助电源的串联可调式稳压电源，并在电路中采用了提高稳定度，提高温度稳定性及限流型过流保护电路的具体措施，以确保电路安全稳定的工作。

The FPGA characteristics and its application in automotive electronics design are introduced,and an automotive electronics system design which contains locks and GSM/GPS antitheft system based on a soft-core processor-Nios II and SoPC technical is introduced,FPGA will become the best choice of automotive electron design in the future.

介绍FPGA的特点及其在汽车电子设计中的应用，并介绍一款基于Nios II软核处理器，用SoPC技术设计的具有密码锁及GSM/GPS防盗系统的汽车电子系统，FPGA将成为未来汽车电子设计的理想选择。

Spinel lithium manganese oxide has become the most important material of li-ion second battery for its inexpensive price,excellent character and avirulence,and also gets some achievements in the recent years.

重点介绍了尖晶石相锂锰氧化物的主要合成方法，如固相反应法、软化学法等，并对它们的原理、优势和缺点进行了简单的介绍和讨论，对锰酸锂合成工艺的未来发展和走向作了简单的展望。

Then we will discuss the origin and characteristic of ballade. The relation between ballade and the poems.

第二部分对肖邦音乐作品作简单介绍，然后就叙事曲的创作渊源，特征，以及与密茨凯维支叙事诗的关系，作简单介绍。

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。

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。