张群
二极管怎么区分正负极性？
二极管怎么区分正负极性？ 作为电子工程师，应该经常会有一个疑问，二极管极性判断方法有哪些？今天给大家讲一下二极管怎么分正负？ 法一：根据电路符号来区分二极管的极性 下图为大部分二极管...
773289HPC（HIGH PRESSURE CONTROLLER）
HPC（HIGH PRESSURE CONTROLLER）高压控制器 一、名称 HPC（HIGH PRESSURE CONTROLLER） 高压控制器 二、件号 773289 series 三、章节号 36-12-02 四、适用机型 B747/B767 五、系统 36-PNEUMATI...
各元器件在开关电源中的命名与用途【转】
各元器件在开关电源中的命名与用途开关电源的外围电路非常复杂，使用的元器件种类也比较繁多，性能各异。要想设计出性能高的开关电源就必须弄懂、弄通开关电源中各元器件的类型及主要功能。开关...
发动机的性能和适用范围 Engine Performance and Scope of Application【转】
发动机的性能主要表现在推力特性、燃油消耗特性。 The performance of the engine is mainly reflected in thrust characteristics and fuel consumption characteristics. （1）推力特性 Thrus...
2780537 WING THERMAL ANTI-ICE PRESSURE REGULATING AND SHUTOFF VALVE ASSEMBLY
机翼热防冰压力调节和关断活门组件 一、名称 WING THERMAL ANTI-ICE PRESSURE REGULATING AND SHUTOFF VALVE ASSEMBLY 机翼热防冰压力调节和关断活门组件 二、件号 2780537-102~-104 三、章节号...
燃气涡轮发动机的结构与原理Structure and Principle of Gas Turbine Engine【转】
（1）涡喷发动机 Turbojet engine 单转子涡轮喷气发动机由进气道、压气机、燃烧室、涡轮、喷管组成，双转子涡轮喷气发动机有低压和高压两个转子。低压压气机和低压涡轮构成低压转子 N1；高压压...
2790583 COWL ANTI-ICE 3 1/2 INCH CONTROL VALVE ASSEMBLY
3-1/2英寸防冰控制活门组件 一、名称 COWL ANTI-ICE 3 1/2 INCH CONTROL VALVE ASSEMBLY 3-1/2英寸防冰控制活门组件 二、件号 2790583-104~-108,-105C,S312T001-4,-6,-7,-8 三、章节号 30-20-01...
最低设备清单 Minimum Equipment List (MEL)【转】
最低设备清单（MEL）Minimum Equipment List (MEL) 1、MEL 的意义 Meaning of MEL 最低设备清单（Minimum Equipment List，MEL）也叫“最低设备放行清单”，是一份由航空公司编写，并由民航当局...
SOPM20-00-00 介绍
介绍INTRODUCTION The instructions in this manual tell how to do standard shop procedures during maintenance functions from simple checks and replacement to complete shop-type repai...
SOPM20-10-01高强度钢零件的修理和表面处理
高强度钢零件的修理和表面处理REPAIR AND REFINISH OF HIGH STRENGTH STEEL PARTS 1. INTRODUCTION 介绍 A.The procedures in this subject are applicable to high strength, low-alloy steel ...
Honeywell-DISASSEMBLY分解
分解DISASSEMBLY 1. Planning Data 计划数据 A. Reason for the Job 工作原因 (1) Use these procedures to remove parts from the modulating shutoff valve to do the cleaning, checks, and ...
SOPM20-10-03喷丸
喷丸SHOT PEENING 1. INTRODUCTION 介绍 A.The data in this subject comes from Boeing Process Specifications BAC5730, BAC5730-2 and BAC5951. Access to the Boeing Process Specificat...
SOPM20-10-04镀铬零件的研磨
镀铬零件的研磨GRINDING OF CHROME PLATED PARTS 1. INTRODUCTION 介绍 A. The data in this subject comes from Boeing Process Specification BAC5032. Access to the Boeing Process Specifi...
Aviation Mechanic Handbook-Introduction
Introduction Introduction介绍Your time as an aviation mechanic is too valuable to be spent looking through stacks of reference books to find a particular chart, formula or diagram ...
Honeywell-CLEANING清洁
清洁CLEANING 1.Planning Data 计划数据 A.Reason for the Job 工作原因 (1) Use these procedures to remove dust, dirt, and unwanted oil and grease. Be careful not to cause damag...
SOPM20-10-05热喷涂涂层的应用和表面处理
热喷涂涂层的应用和表面处理APPLICATION AND FINISHING OF THERMAL SPRAY COATINGS 1. INTRODUCTION 介绍 A. The data in this subject comes from Boeing Process Specifications BAC5851 a...
