1、

Diesel Knock Detection Using Time-Frequency Analysis

用时频分析检测柴油机的爆震

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2、

However, the diesel dynamo is a reciprocating machine, its structure is complicated, and the faults also show the characteristics of complexity and diversity. It is difficult to identify faults using the traditional diagnostic methods, and has been unable to meet the requirements of modernization.

然而柴油发电机组是一种往复式机械,结构复杂,故障也呈现出复杂性和多样性的特点,应用传统的诊断方法很难进行识别,已不能满足现代化的要求。

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3、

Mainly analyzing the using of dielectric lens antenna and cassegrain antenna in MMW detection system.

主要分析了介质透镜天线和卡塞格伦天线在毫米波探测系统中的使用。

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4、

Achievement of pencil-beam radiation from a TM_ ( 01) mode circular waveguide source using multi-sector dielectric lens

利用多扇区介质透镜得到TM(01)模激励的圆锥喇叭笔形波束辐射

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5、

You are a project manager for a new product development project that has four levels in the work breakdown structure, and has been sequenced using the arrow diagramming technique.

你是一个新产品开发项目的项目经理,这个项目的工作分解结构有四个层次,并按顺序使用箭线图技术。

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6、

Diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst.

以从二羧酸中分离出的戊二酸酐和乙醇为原料,用杂多酸为催化剂,合成了戊二酸二乙酯。

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7、

Catalysis synthesis of diethyl ether using molybdophosphoric acid

磷钼杂多酸催化合成乙酸乙酯

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8、

The synthesis of diethyl adipate using TiSiW12O40/ TiO2 as catalyst has been studied.

首次以固载杂多酸盐TiSiW(12)O(40)/TiO2为多相催化剂,通过己二酸和乙醇反应合成了己二酸二乙酯,并探讨了诸因素对产率的影响。

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9、

Diethyl adipate was synthesized by using solid superacid TiO2-ZrO2/ SO42-catalyst.

用复合型固体超强酸TiO2-ZrO2/SO42-作催化剂,催化合成了己二酸二乙酯。

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10、

The measuring method& result of internal and external flow fields for outdoor unit is introduced by using hot wire anemometer and differential manometer measuring room airconditioner.

介绍了采用热线风速仪和微压差压力计测量分体式房间空调器室外机组内外流场的方法和流场测试结果。

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11、

Mobile phase was acetonitrile ( HPLC grade) and ultrapure water and column temperature was 35 ℃, using differential detector.

流动相:乙腈(色谱纯):超纯水,检测器:RID示差检测器,柱温:35℃,流速:1.0mL/min。

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12、

Design of a measuring system using differential transformer sensor

差动变压式传感器位移测量系统设计

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13、

By using exterior differentiation and inverse method, exact stationary solutions of strongly nonlinear MDOF systems subject to Gaussian white noises are obtained, which are generally independent of energy.

在精确平稳解方面,本文利用外微分方法和逆解法得到多自由度强非线性随机系统的具非能量依赖的精确平稳解。

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14、

In this paper characterstic function of optics was studied and property of symplectic structre was deduced from the characteristic function by using the opertion of exterior differentiation.

本文研究光学特征函数,利用外微分运算,由光学特征函数导出了光的辛结构性质。

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15、

The dynamic coefficients of tilting pad guide bearings are derived with the help of finite-elements using pressure parameters partial differentiation.

本文采用有限元法,利用压力参数法和偏导数法直接推求分块可倾瓦导轴承的动力特性系数。

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16、

The method of evaluating the effect of inhibitor for anti-swelling using X-ray diffraction instrument

利用X-射线衍射仪评价防膨剂效果的实验方法

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17、

Pitting problem of oil pipe caused by diluted acid after oil well acidizing was solved by using acidizing inhibitors.

解决了油井酸化施工后乏酸对油管的点蚀问题。

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18、

Induction of Labor Using Hydrophilic Polyurethane Cervical Dilator

亲水性聚氨酯宫颈扩张棒在引产中的应用

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19、

Using the clean energy to solve the dilemma of the energy in Guangdong province

广东:清洁能源破解能源困局

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20、
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