First-order spectrum Second-order spectrum

First-order spectrum Second-order spectrum, Total:171 items.

The international standard classification for "First-order spectrum Second-order spectrum" includes: Semiconductor devices in general , Chemical reagents , Chemical analysis of metals , Iron and steel products in general , Oxides , Aircraft and space vehicles in general , Astronomy. Geodesy. Geography , Cosmetics. Toiletries , Textiles in general .

The Chinese standard classification for "First-order spectrum Second-order spectrum" includes: Semiconductor discrete devices in general , Technical Management , Chemical reagent in general , Crime judging technology , Semimetal and semiconductor material analysis method , Rare metals and their alloys analysis method , Hygiene, safety and labor protection , Photogrammetry and Remote Sensing , Cosmetics , Basic standards and general methods .

Zhejiang Provincial Standard of the People's Republic of China

DB33/T 542-2005 Determination of chloramphenicol residues in aquatic products by gas chromatography-secondary mass spectrometry

Professional Standard - Nuclear Industry

EJ/T 20140-2016 Determination of 241Am in nuclear-grade plutonium dioxide powder-by γ-spectrum
EJ/T 454-1989 300,000-kilowatt pressurized water reactor nuclear power plant primary circuit main and auxiliary system safety first-level, second-level and third-level piping installation technical conditions

Group Standards of the People's Republic of China

T/CIE 145-2022 Measurement method of radiation induced traps by deep level transient spectroscopy
T/GXAF 0012-2023 Determination of Artemisinin in Artemisia annua by Liquid Chromatography-Triple Quadrupole Mass Spectrometry
T/NAIA 0160-2022 Determination of total sulfur dioxide in wine by triple quadrupole inductively coupled plasma mass spectrometry
T/CSTM 00234-2020 Chemical reagent — Spectrum grade Methanol
T/CSTM 00235-2020 Chemical reagent — Spectrum grade Acetonitrile
T/CIESC 0020-2022 Standard Test Method for Arsine and Phosphine in Polymer Grade Ethylene and Propylene by Gas Chromatography-Mass Spectrometry
T/JAASS 49-2022 Grade 2 rapeseed oil
T/JSSIA 0003-2017 Series Programs for Wafer Level Chip Scale Package
T/CGXH 007-2021 Village-level industrial park upgrading and transformation model first-level and second-level linkage development

海关总署

SN/T 5308-2021 Determination of benzene, toluene, chlorobenzene, p-Xylene ando-Xylene in food-grade lubricating oils - Headspace-chromatographyl mass spectrometry

Professional Standard - Electron

SJ 3239-1989 General requirement for gas chromatography analysis method
SJ 2802-1987 Method for determination of trace Carbon dioxide in electronic grade gases--Hydrogen flame ionzation detertor method
SJ 2804.1-1987 Method for determination of Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part one)
SJ 2801-1987 Method for determination of trace carbon monoxide in electronic grade gases--Precut hydrogen flame ionization detector method
SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)
SJ 2803-1987 Method for determination of trace carbon dioxide in electronic grade gases--Pre-cut hydrogen flame ionzation detector method

Professional Standard - Chemical Industry

HG/T 3776-2005 Feed grade mono-dicalcium phosphate

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 43663-2024 Surface chemical analysis—Secondary-ion mass spectrometry—Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry
GB/T 32281-2015 Test method for measuring oxygen, carbon, boron and phosphorus in solar silicon wafers and feedstock by secondary ion mass spectrometry
GB/T 38026-2019(英文版) Classification of Remote Sensing Satellite Multispectral Data Products
GB/T 43241-2023 Forensic sciences—Examination methods for nitrous oxide—Gas chromatography-mass spectrometry
GB/T 8762.5-1988 Yttrium oxide of phosphor grade--Determination of trace rare earth oxide contents--Spectrochemical method and direct spectrographic method
GB/T 14999.5-1994 Photomicrographs and photomacrographs for evaluating of heat - Resisting superalloys

Sichuan Provincial Standard of the People's Republic of China

DB51/T 2813-2021 Technical regulations for the production of first-class and second-class seed potatoes

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 36301-2018 Pre-processing product levels for spaceborne hyperspectral imaging data
GB/T 40896-2021 Determination of diethylene glycol monoethyl ether in cosmetics—Gas chromatography mass spectrometry
GB/T 38026-2019 Gradation standard for multispectral data products of remote sensing satellite

Shaanxi Provincial Standard of the People's Republic of China

DB/6100 ×67 032~033-1988 Black fungus shiitake mushrooms one, two and three species

Guizhou Provincial Standard of the People's Republic of China

DB52/T 803-2013 Technical regulations for the production of virus-free original seeds, first-class and second-class seed potatoes

国家质量监督检验检疫总局

SN/T 4943-2017 Determination of Polycyclic Aromatic Hydrocarbons in Food-grade Lubricating Oils (grease) GC-MS method
SN/T 4573-2016 Determination of bis(2-methoxy ethyl)ether in coatings、inks and adhesives- Gas chromatography/mass spectrometry

Jiangsu Provincial Standard of the People's Republic of China

DB32/T 4468-2023 Determination of 11 Pesticide Residues in Human Serum by Gas Chromatography-Triple Quadrupole Mass Spectrometry

Taiwan Provincial Standard of the People's Republic of China

CNS 6681-2006 Essential oils - Estimation of primary and secondary free alcohols content by acetylation in pyridine
CNS 6681-1980 Estimation of Primary and Secondary Free Alcohds Content by Acetylation in Pyridine

Hubei Provincial Standard of the People's Republic of China

DB42/T 1916-2022 Determination of Pyrethroid Pesticides in Aquatic Products by Gas Chromatography Triple Quadrupole Mass Spectrometry

Professional Standard - Environmental Protection

HJ 827-2017 Water quality - Determination of carbamates pesticides by Ultra performance liquid chromatography-triple quadrupole mass spectrometry

Professional Standard - Commodity Inspection

SN/T 3119-2012 Determination of distearyl dimethyl ammonium chloride in dyeing and finishing textile agents-LC-MS/MS
SN/T 3123-2012 Determination of musk xylene in detergent products-Gas chromatography-tandem mass spectrometry

Professional Standard - Agriculture

SN/T 5074-2018 Determination of dimethyl yellow in foods for export - LC-MS/MS Method
SN/T 5493-2023 Determination of 29 fentanyl analogs in solid and liquid samplesLiquid chromatography-quadrupole time of flight mass spectrometry

Professional Standard - Aviation

HB 1-122-1974 Two-level precision (db) one side cut flat cylinder head bolts
HB 1-123-1974 Two-level accuracy (dc) one side cut flat cylindrical head bolts
HB 1-124-1974 Two-level accuracy (dd) one side cut flat cylinder head bolts

Professional Standard - Textile

FZ/T 01148-2019 Textiles—Determination of adipicdihydrazide—Method using LC-MS/MS

VDI - Verein Deutscher Ingenieure

VDI 2467 Blatt 2-1989 Gaseous air pollution measurement; measurement of primary and secondary aliphatic amines by means of the high performance liquid chromatography (HPLC)
VDI 2467 Blatt 1-1989 Gaseous air pollution measurement; measurement of the concentration of primary and secundary amines by thin-layer chromatography; visual and densitometric method

SCC

MIL MIL-DTL-8971E-2011 Electrodes, Graphite, Spectrometric Grade
MIL MIL-DTL-8971G-2018 Electrodes, Graphite, Spectrometric Grade
MIL MIL-DTL-8971F-2013 Electrodes, Graphite, Spectrometric Grade
MIL MIL-DTL-14639/42C-2015 Insignia, Rank, Warrant Officer WO1 and Chief Warrant Officers CW2, CW3 and CW4, U.S. Army
MIL MIL-DTL-14639/42B-2010 Insignia, Rank, Warrant Officer WO1 and Chief Warrant Officers CW2, CW3 and CW4, U.S. Army
MIL MIL-DTL-14639/42D-2020 Insignia, Rank, Warrant Officer WO1 and Chief Warrant Officers CW2, CW3 and CW4, U.S. Army
MIL MIL-E-8971B-1991 ELECTRODES, GRAPHITE, SPECTROSCOPIC GRADE (SUPERSEDING MIL-E-8971A)
MIL MIL-DTL-14639/42A-1998 INSIGNIA, RANK, WARRANT OFFICER WO1 AND CHIEF WARRANT OFFICERS CW2, CW3 AND CW4, ARMY (SUPERSEDING MIL-DTL-14639/42)
DANSK DS/EN ISO 9702:1998 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
DANSK DS/EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
NS-EN 13717:2002 Surface active agents — Determination of primary, secondary and tertiary amino nitrogen — Potentiometric titration
SAE AMSM7866A-2011 Molybdenum Disulfide, Technical, Lubrication Grade
BS 2943-4:1957 Specifications for <i>o</i>-dichlorobenzene, Grades A and B

Defense Logistics Agency

DLA MIL-DTL-8971 D (1)-2009 ELECTRODES, GRAPHITE, SPECTROMETRIC GRADE
DLA MIL-DTL-8971 D VALID NOTICE 1-2008 ELECTRODES, GRAPHITE, SPECTROMETRIC GRADE
DLA MIL-DTL-8971 E-2011 ELECTRODES, GRAPHITE, SPECTROMETRIC GRADE
DLA QPL-8971-QPD-2010 ELECTRODES, GRAPHITE, SPECTROMETRIC GRADE
DLA QPL-8971-2013 Electrodes, Graphite, Spectrometric Grade
DLA QPL-8971-10 NOTICE 1-2008 Electrodes, Graphite, Spectrometric Grade
DLA QPL-8971-10-2004 ELECTRODES, GRAPHITE, SPECTROMETRIC GRADE

IN-BIS

IS 11112-1984 Alumina specification chromatography grade
IS 8858-1978 Spectral analysis method for pure silver ingots (grades 9999 and 999)
IS 8356-1993 Titanium dioxide, food grade. Specification (First Revision)

International Organization for Standardization (ISO)

ISO 5438:1985 Acid-grade and ceramic-grade fluorspar — Determination of silica content — Reduced molybdosilicate spectrometric method
ISO 9505:1992 All grades of fluorspar; determination of arsenic content; silver diethyldithiocarbamate spectrometric method
ISO 9502:1989 Metallurgical-grade fluorspar — Determination of silica content — Reduced-molybdosilicate spectrometric method
ISO 19618:2017 Fine ceramics (advanced ceramics, advanced technical ceramics) - Measurement method for normal spectral emissivity using blackbody reference with an FTIR spectrometer
ISO 9062:1989 Acid-grade and ceramic-grade fluorspar — Determination of manganese content — Periodate spectrometric method
ISO 8559-2:2017 Size designation of clothes - Part 2: Primary and secondary dimension indicators
ISO 6676:1990 Acid-grade and ceramic-grade fluorspar — Determination of total phosphorus content — Reduced-molybdophosphate spectrometric method
ISO 23830:2008 Surface chemical analysis - Secondary-ion mass spectrometry - Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry

American Society for Testing and Materials (ASTM)

ASTM C696-99 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Uranium Dioxide Powders and Pellets
ASTM C697-98 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
ASTM C696-19 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Uranium Dioxide Powders and Pellets
ASTM C696-99(2005) Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Uranium Dioxide Powders and Pellets
ASTM RR-C26-1000 1976 C0791-Methods for Chemical, Mass Spectrometric, Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM C697-16 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
ASTM C697-10 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
ASTM C697-04 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Plutonium Dioxide Powders and Pellets
ASTM UOP1035-19 Determination of Trace Chloromethane, Chloroethene, and Dichloromethane in Polymer Grade Ethylene and Propylene by Gas Chromatography Mass Spectrometry
ASTM E1504-92(1996) Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM E1504-92(2001) Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM C696-11 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Uranium Dioxide Powders and Pellets
ASTM E1504-06 Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM UOP1021-19 Determination of Trace Methyl Mercaptan, Ethyl Mercaptan, and Isopropyl Disulfide in Polymer Grade Ethylene and Propylene by Gas Chromatography Mass Spectrometry
ASTM E1504-11 Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM RR-C26-1012 2003 C0791-Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM C791-19 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM C791-24 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM E1421-99(2021) Standard Practice for Describing and Measuring Performance of Fourier Transform Mid-Infrared (FT-MIR) Spectrometers: Level Zero and Level One Tests
ASTM UOP1014-17 Determination of Trace Propadiene and Methyl Acetylene Impurities in Polymer Grade Propylene by Gas Chromatography
ASTM C791-12 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM E1944-98(2021) Standard Practice for Describing and Measuring Performance of Laboratory Fourier Transform Near-Infrared (FT-NIR) Spectrometers: Level Zero and Level One Tests
ASTM C791-04 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM C759-10 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions
ASTM C791-11 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM UOP1043-20 Determination of Trace Acetonitrile and Propionitrile in Polymer Grade Ethylene and Propylene by Gas Chromatography Mass Spectrometry
ASTM C698-16 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O 2 )
ASTM UOP1015-17 Determination of Trace Oxygenates in Polymer Grade Ethylene & Propylene by Gas Chromatography Mass Spectrometry
ASTM D2074-07(2019) Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method
ASTM C698-04 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O ₂ )
ASTM C758-04(2010) Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal
ASTM C791-83(2000) Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
ASTM C1326-99 Standard Test Method for Knoop Indentation Hardness of Advanced Ceramics
ASTM D7731-11e1 Standard Test Method for Determination of Dipropylene Glycol Monobutyl Ether and Ethylene Glycol Monobutyl Ether in Sea Water by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
ASTM C758-18 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal
ASTM C799-19 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
ASTM E1635-06(2011) Standard Practice for Reporting Imaging Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM C698-98 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Mixed Oxides ((U, Pu)O ₂ )
ASTM C1326-08 Standard Test Method for Knoop Indentation Hardness of Advanced Ceramics
ASTM UOP1022-18 Determination of Trace Carbonyl Sulfide and Hydrogen Sulfide in Polymer Grade Ethylene and Propylene by Gas Chromatography Mass Spectrometry

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

RESOLUTION 11-3-2003 Development of an upgraded spectrum management system
ITU-R SM.1370-1998 Design Guidelines for Developing Advanced Automated Spectrum Management Systems (ASMS)

US-FCR

FCR 40 CFR PART 50-2012 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS
FCR 40 CFR PART 50-2014 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS
FCR 40 CFR PART 50-2015 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

U.S. Environmental Protection Agency (U.S. EPA)

EPA 40 CFR PART 50-2010 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

GB-REG

REG 40 CFR PART 50-2011 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

Society of Automotive Engineers (SAE)

SAE AMS3819B-2001 Cloths, Cleaning for Aircraft Primary and Secondary Structural Surfaces

HU-MSZT

MSZ 2493-1974 Level 2 accuracy
MSZ 2486-1975 Six-head locking screws with tube flow accuracy classes 1 and 2
MSZ 2466-1972 Screw connections for precision classes 1 and 2
MSZ 2272-1974 Drying wheel secondary accuracy level
MSZ 9197-1977 Cross tapping screws. Level 2 accuracy
MSZ 2290-1973 Screw head hexagonal screws precision class 1 and 2
MSZ 8760-1977 Protruding head pressure screw level 2 accuracy grade

German Institute for Standardization

DIN EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
DIN 55689:2006 Solvents for paints and varnishes - Propylene glycol ethers - Gas chromatographic determination of the degree of purity
DIN 55688:2006 Solvents for paints and varnishes - Ethylene glycol ethers - Gas chromatographic determination of the degree of purity
DIN EN ISO 8559-2 E:2020-09 Garment Sizing Part 2: Primary and Secondary Size Indicators (Draft)
DIN EN 12441-8:2005 Zinc and zinc alloys - Chemical analysis - Part 8: Determination of tin in secondary zinc - Flame atomic absorption spectrometric method; German version EN 12441-8:2004

European Committee for Standardization (CEN)

EN 13717:2002 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
EN ISO 8559-2:2020 Size designation of clothes - Part 2: Primary and secondary dimension indicators (ISO 8559-2:2017)

TIA - Telecommunications Industry Association

TIA-102.CAEB-2009 Project 25 Conformance Profile Level Two – Advanced Conventional Operation

(U.S.) Telecommunications Industries Association

TIA-102.CAEB-A-2016 Project 25 Conformance Profile Level Two-Advanced Conventional Operation

British Standards Institution (BSI)

BS ISO 19618:2017 Fine ceramics (advanced ceramics, advanced technical ceramics). Measurement method for normal spectral emissivity using blackbody reference with an FTIR spectrometer
BS ISO 23830:2008 Surface chemical analysis - Secondary-ion mass spectrometry - Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry
BS EN 12441-8:2004 Zinc and zinc alloys - Chemical analysis - Part 8: Determination of tin in secondary zinc - Flame atomic absorption spectrometric method
BS EN 12441-8:2005 Zinc and zinc alloys - Chemical analysis - Detection of tin in secondary zinc - Flame atomic absorption spectrometric method
BS PD ISO/TS 23459:2021 Nanotechnologies. Assessment of protein secondary structure during an interaction with nanomaterials using ultraviolet circular dichroism

Association Francaise de Normalisation

NF EN 14152:2014 Food products - Determination of vitamin B2 content by high performance liquid chromatography
NF EN 14122:2014 Food products - Determination of vitamin B1 content by high performance liquid chromatography
NF X21-064*NF ISO 23830:2009 Surface chemical analysis - Secondary-ion mass spectrometry - Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry.

RU-GOST R

GOST 17333-1980 Photoelectronic devices. Methods for measurement of spectral sensitivity of photocathodes
GOST R 52314-2005 Standard thermoelectric platinumrhodium/platinum and platinumrhodium/platinumrhodium converters of the first, second and third grades. General technical requirements
GOST R 51233-1998 State system for the uniformity of measurements. Standard platinum resistance thermometers of the first and second grades. General requirements
GOST 25864-1983 Forcemeasuring standard machines of 2 grade. General technical requirements
GOST R 8.571-1998 State system for ensuring the uniformity of measurements. Standard platinum resistance thermometers of the first and second grades. Methods of calibration

International Telecommunication Union (ITU)

ITU-R SM.1604-2003 Guidelines for an upgraded spectrum management system for developing countries
ITU-T G.741 SPANISH-1993 GENERAL CONSIDERATIONS ON SECOND ORDER MULTIPLEX EQUIPMENTS
ITU-R SM.1370-1-2001 Design guidelines for developing advanced automated spectrum management systems
ITU-R SM.1370-1 SPANISH-2001 Design guidelines for developing advanced automated spectrum management systems
ITU-R SM.1370-1 FRENCH-2001 Design guidelines for developing advanced automated spectrum management systems

ESDU - Engineering Sciences Data Unit

SPA-M2-2-2007 Advanced characterisation of asphaltenes using vibrational spectroscopy.

YU-JUS

JUS N.R1.371-1979 Semiconductor diodes. Essential ratings and characteristics: Voltage reference and voltage regulator diodes
JUS N.R1.420-1979 Voltage reference diodes and voltage regulator diodes. Measuring methods

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

ASHRAE 4136-1998 Retail Refrigeration Systems - The Use of Ammonia and Two-Level Secondary Refrigeration

CU-NC

NC 62-21-1984 National Electroenergetic System. Secondary Circuits General Requirements

GSO

GSO ISO 1232:2013 Aluminium oxide primarily used for the production of aluminium -- Determination of silica content -- Reduced molybdosilicate spectrophotometric method

Korean Agency for Technology and Standards (KATS)

KS D 2712-2008 Evaluation of content of single-walled carbon nanotube using UV-VIS-NIR absorption spectroscopy

CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications

ERC REPORT 24-1994 Examination Syllabi for 1st Class and 2nd Class Radio- Electronics Certificates for the GMDSS System (Nicosia@ March 1994)

RO-ASRO

STAS 10496-1976 AMMONIUM PHOSPHATE, DIBASIC, ECHNICAL GRADE Diamonium hydrogen phosphate, echnical grade)

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