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GB/T 4314-2017 English PDF

US$439.00 · In stock
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GB/T 4314-2017: Getter terms
Status: Valid

GB/T 4314: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 4314-2017English439 Add to Cart 4 days [Need to translate] Getter terms Valid GB/T 4314-2017
GB/T 4314-2000English599 Add to Cart 4 days [Need to translate] Getter terms Obsolete GB/T 4314-2000
GB/T 4314-1984EnglishRFQ ASK 3 days [Need to translate] Getter terms Obsolete GB/T 4314-1984

PDF similar to GB/T 4314-2017


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Basic data

Standard ID GB/T 4314-2017 (GB/T4314-2017)
Description (Translated English) Getter terms
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L90
Classification of International Standard 31.030
Word Count Estimation 22,238
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Older Standard (superseded by this standard) GB/T 4314-2000
Regulation (derived from) National Standards Bulletin 2017 No. 32
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 4314-2017: Getter terms

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Getter terms ICS 31.030 L90 National Standards of People's Republic of China Replacing GB/T 4314-2000 Getter terminology 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 4314-2000 "getter term", compared with the GB/T 4314-2000 main technical changes are as follows. --- Of high temperature getter, high fastness getter, terminal breathing rate, specific absorption capacity, deflation, total deflation, pre-deflation Quantity, mercury release rate, mercury release getter thermal stability terms such as the name, the definition re-explained; --- Added combination of getter (3.40), low temperature amalgam (3.41), the initial inhalation rate (4.16), free mercury (4.66) terms. This standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the China Electronics Standardization Institute centralized. This standard was drafted unit. Nanjing Huadong Seth Vacuum Materials Co., Ltd., China Electronics Standardization Institute, China Electronics Technology Set Mission Twelfth Institute. The main drafters of this standard. Xue letter welcome, Gaolong Bridge, Guo Weibin, Zhang Ju Xian. This standard replaces the standards previously issued as. --- GB/T 4314-1984, GB/T 4314-2000. Getter terminology

1 Scope

This standard defines the general terms of getter, classification terminology and terminology. This standard applies to vacuum devices with getters.

2 general terms and definitions

2.1 Gas volume gasquantity An ideal gas in a statistically equilibrium state has a kinetic energy measure equal to the product of the volume occupied by the gas and its pressure. Note. If necessary, indicate the gas temperature or the value in liters at 20 ° C (Pa · m³), or coke (J). 2.2 Adsorption phase molecule adsorbedgasmolecule Gas molecules that have adsorbed on a solid surface. 2.3 Gas molecule gasmoleculeinspace Corresponding to the adsorbed phase molecules, gas molecules on the gas side at the gas-solid interface. 2.4 Flow rate throughput Qt The amount of gas passing through a section within a unit of time. The unit is Pa [Sika] cubic meters per second (Pa · m3/s). 2.5 Leakage rate leak-uprate Increased amount of gas per unit time due to leak or deflation in the system. The unit is Pa [Sika] cubic meters per second (Pa · m3/s). 2.6 Adsorption adsorption The getter or getter film surface on the gas or vapor capture phenomenon. Note. More specifically, "surface adsorption." 2.7 Absorption absorption Gas or vapor diffuses into the getter or getter film inside the phenomenon. 2.8 Inhale sorption Due to adsorption and absorption phenomena caused by the gas and steam removal process. 2.9 Desorption desorption Gas absorption phenomenon.

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