Results 21 to 30 of about 5,567,373 (294)

CO2 Intensities and Primary Energy Factors in the Future European Electricity System

open access: yesEnergies, 2021
The European Union strives for sharp reductions in both CO2 emissions as well as primary energy use. Electricity consuming technologies are becoming increasingly important in this context, due to the ongoing electrification of transport and heating ...
Sam Hamels
doaj   +1 more source

JSON-based control model for SQL and NoSQL data conversion in hybrid cloud database

open access: yesJournal of Cloud Computing: Advances, Systems and Applications, 2022
A data interaction transformation model, XYJSON, that is suitable for all data using current standard SQL syntax and JSON document data is proposed to solve the problem of increasing development workload and difficulty caused by using different control ...
Lei Zhang   +3 more
doaj   +1 more source

Closed-loop optimization of catalysts for oxidative propane dehydrogenation with CO2 using artificial intelligence

open access: yesJournal of CO2 Utilization, 2023
Oxidative propane dehydrogenation with CO2 (ODPC) is an economical and ecofriendly process that produces propylene and consumes CO2 simultaneously.
Jin-Soo Kim   +7 more
doaj   +1 more source

Pragmatic issues in conversions of database applications [PDF]

open access: yesInformation & Management, 1990
The need to convert database applications from one DBMS to another arises frequently. This paper presents a cost/benefit evaluation model for the database conversion problem, applies this model to several situations involving convertion of large database applications and proposes a decision support system for database conversion decisions.
Umar, Amjad, Teichroew, Daniel
openaire   +3 more sources

AN INTERACTIVE TOOL FOR EXTRACTING LOW-QUALITY SPREADSHEET TABLES AND CONVERTING INTO RELATIONAL DATABASE [PDF]

open access: yesInternational Journal of Intelligent Computing and Information Sciences, 2021
Spreadsheets are contained critical information on various topics and most broadly utilized in numerous spaces. There are a huge amount of spreadsheets clients around the world.
Arwa Awad   +3 more
doaj   +1 more source

Comparing perceived psychosocial working conditions of nurses and physicians in two university hospitals in Germany with other German professionals - feasibility of scale conversion between two versions of the German Copenhagen Psychosocial Questionnaire (COPSOQ)

open access: yesJournal of Occupational Medicine and Toxicology, 2020
Background In 2015, the WorkSafeMed study assessed, amongst others, perceived psychosocial working conditions in nurses (n = 567) and physicians (n = 381) from two German university hospitals using scales from the German standard version of the COPSOQ ...
Anke Wagner   +5 more
doaj   +1 more source

Conceptual Design Study Based on Reliability Assessment of Secondary Energy Conversion Mechanical System in Movable Object Type Wave Power Generator

open access: yesApplied Sciences, 2022
Movable object type wave power generators produce energy through the process of primary energy conversion, which converts the potential and kinetic energy of the waves into mechanical energy, secondary energy conversion that converts it into energy for ...
Tae-Wook Kim   +5 more
doaj   +1 more source

Wenzi 文子 [PDF]

open access: yes, 2021
The Wenzi 文子 refers to two separate, but related, Chinese texts, each of which is titled "Wenzi." The proto-Wenzi (a named coined by Paul van Els) is known through a bamboo-strip manuscript found in the "Dingzhou Tomb" near the village of Bajiaolang 八角廊 ...
Els, P. van   +3 more
core  

Toward building RDB to HBase conversion rules

open access: yesJournal of Big Data, 2017
Cloud data stores that can handle very large amounts of data, such as Apache HBase, have accelerated the use of non-relational databases (coined as NoSQL databases) as a way of addressing RDB database limitations with regards to scalability and ...
R. Ouanouki   +4 more
doaj   +1 more source

Survival outcomes of conversion surgery for metastatic pancreatic ductal adenocarcinoma after neoadjuvant therapy

open access: yesJournal of Pancreatology, 2023
Objective:. To evaluate the survival outcomes of patients who underwent conversion surgery for metastatic pancreatic ductal adenocarcinoma (mPDAC) after neoadjuvant therapy (NAT) and to identify potential candidates that may benefit from this treatment ...
Lingyu Zhu   +19 more
doaj   +1 more source

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