Results 11 to 20 of about 814,762 (307)
Preparation of Yangtze River Delta Sediment Reference Materials
Yankuang ceshi, 2017 More than 10 harbour and estuarine sediment reference materials have been developed in the United States, Canada and other countries, but most of them focus on organic pollutants and radionuclide, and lack certified values.
XIN Wen-cai +3 more
doaj +1 more source
Preparation of Trace Gold and Gold Ore Reference Materials
Yankuang ceshi, 2021 BACKGROUND From 1986 to 2007, different grades of trace gold certified reference materials (background grade, anomaly grade, medium grade and high grade) and mineral gold certified reference materials (mineralization grade, cutoff grade and concentrate ...
YANG Rong +3 more
doaj +1 more source
Стандартные образцы, 2019 The paper presents information on the development of a new certified reference material (CRM) for mass fraction of dioxins in animal fat, with established metrological traceability. A procedure for preparing and certifying CRM material is given.
A. G. Budko +2 more
doaj +1 more source
Chapar: certified causally consistent distributed key-value stores [PDF]
Proceedings of the 43rd Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, 2016 Today’s Internet services are often expected to stay available and render high responsiveness even in the face of site crashes and network partitions. Theoretical results state that causal consistency is one of the strongest consistency guarantees that is possible under these requirements, and many practical systems provide causally consistent key ...
Lesani, Mohsen +2 more
openaire +3 more sources
Indonesian Journal of Halal Research, 2023 Chicken slaughterhouses play an essential role in producing halal chicken. In previous study, only nine halal-certified chicken slaughterhouses in Banda Aceh. This study determined the effect of halal-certified slaughterhouses and storage time on broiler
Irfan Irfan +4 more
doaj +1 more source
Application of Student t-test for evaluation of interlaboratory comparative tests results
Стандартные образцы, 2017 The results of interlaboratory comparative tests typically represent a small sample size. Therefore, to evaluate the quality of test results of laboratories participating in interlaboratory comparative tests, it is proposed to use Student t-test, which ...
K. V. Shatalov, A. V. Kirillova
doaj +1 more source
Preparation of Ion-adsorption Type REE Monitoring Samples
Yankuang ceshi, 2020 OBJECTIVES Ion-adsorption type rare earth ore is extremely important in China and rare in the world. It is China's dominant mineral resource. At present, all the rare earth elements in the existing REE reference materials are oxide minerals, not ion ...
ZHANG Lei +5 more
doaj +1 more source
Farmers’ Behavior Towards the Use of Certified Rice Seeds in Rainfed Fields [PDF]
E3S Web of Conferences, 2023 Certified rice seeds can increase productivity, but only 53% of farmers use them in Indonesia. Rainfed paddy fields with certified seeds have the potential to increase productivity and develop into production centers.
Setiani Cahyati +3 more
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CONSUMERS' ATTITUDE TO WARD OF PACKAGED RICE PRODUCT REGISTERED AND CERTIFIED IN THE MODERN MARKET OF BANJARMASIN CITY [PDF]
Russian Journal of Agricultural and Socio-Economic Sciences, 2023 This study aims to analyze consumer attitudes towards the attributes of packaged rice products that are registered and certified in the modern market of Banjarmasin City, and consumer perceptions of packaged rice products that are registered and ...
Sitohang A.T., Ikhsan S., Fauzi M.
doaj +1 more source
The certification of the absorbed energy (120 J nominal) of Charpy V-notch reference test pieces for tests at 20 °C: ERM®-FA016bj [PDF]
, 2015 This certification report describes the processing and characterisation of ERM®-FA016bj, a batch of Charpy V-notch certified reference test pieces certified for the absorbed energy KV (= energy required to break a V-notched test piece using a pendulum ...
DEAN Alan +3 more
core +1 more source