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Showing 1321-1332 of 1575 result(s)

Why is the life span of an LED measured as lumen depreciation
Haichang Optotech Co., Limited Jul 17, 2015

Why is the life span of an LED measured as lumen depreciation

The life span of an LED is vastly longer than that of incandescent, fluorescent or HID lamp sources,...

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Influential Factors of Flange Sealing
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 16, 2015

Influential Factors of Flange Sealing

1. Bolt pretightening force Bolt pretightening force is an important factor affecting flange sealing...

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Advantages of Fiber Optic Transmission
Nokoxin Technology Co., Ltd. Jul 15, 2015

Advantages of Fiber Optic Transmission

Fiber optic transmission has the following advantages: 1. Large bandwidth The range of bandwidth de...

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Application and Features of Oilfield Valves
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 15, 2015

Application and Features of Oilfield Valves

Application of oilfield valves Oilfield valves are widely used in chemical, petroleum, natural gas,...

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Features of Pull Rod Welding Ball Valve
Zhejiang Xinhai Valve Manufacturing Co., Ltd. Jul 13, 2015

Features of Pull Rod Welding Ball Valve

Pull rod welding ball valve has impressive performances in various industries. Because of excellent ...

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Structural Parameters and Selection of Gas Safety Valves
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 13, 2015

Structural Parameters and Selection of Gas Safety Valves

Safety valves play a security role in the system. When the system pressure exceeds the predetermined...

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Common Problems for API Safety Valves
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 10, 2015

Common Problems for API Safety Valves

With high performance, wide scope, good security and other advantages, API safety valves have widely...

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Locks Parts Processing Technic Analysis
MAKE Locks Manufacturer Co., Ltd. Jul 10, 2015

Locks Parts Processing Technic Analysis

This technical article analyzes the processing technic of locks components from four points. 1. The...

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How to Clean Stainless Steel Pipe
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 08, 2015

How to Clean Stainless Steel Pipe

Chemical cleaning: chemical cleaning of pipe refers to temporarily transformation of the pipeline us...

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Introduction of Optical Fibers
Nokoxin Technology Co., Ltd. Jul 07, 2015

Introduction of Optical Fibers

Optical fiber, made of glass or plastic, is used for light transmission based on the principle of to...

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The Scope of Application for Spring Loaded Safety Valve
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 07, 2015

The Scope of Application for Spring Loaded Safety Valve

Each component has its scope of application, such as wheels are used on the car, and so for other co...

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Measurement of Stainless Steel Flanges
XIAMEN LANDEE INDUSTRIES CO., LTD. Jul 07, 2015

Measurement of Stainless Steel Flanges

1. Preparation before measurement (1) Before measurement, the first thing is to draw a rough draft ...

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