Results 21 to 30 of about 55,426 (249)

Digital Media Hotspot Mining Algorithm Implementation with Complex Systems in the Mobile Internet Environment

open access: yesComplexity, 2021
With the development of the Internet, the amount of information present on the network has grown rapidly, leading to increased difficulty in obtaining effective information. Especially for individuals, enterprises, and institutions with a large amount of
Yufeng Jia, Sang-Bing Tsai
doaj   +1 more source

Activated carbon from bacterial cellulose by potassium hydroxide activation as an effective adsorbent for removal of ammonium ion from aqueous solution

open access: yesCase Studies in Chemical and Environmental Engineering, 2023
Bacterial cellulose (BC) was used to produce activated carbon (BC-AC) by potassium hydroxide (KOH) activation. The obtained BC-AC was used as an adsorbent for the ammonium ion adsorption from water. The effect of influential parameters, including contact
Arnon Khamkeaw   +2 more
doaj   +1 more source

La green economy e la distruzione creatrice di lavoro [PDF]

open access: yes, 2022
La green economy come soluzione alle molteplici crisi attualie il suo impatto nel mondo del lavoro: i green jobsopenTesi non accessibile fino a 18 Settembre 2020 per motivi correlati alla proprietà intellettuale dell ...
Squizzato, Giorgia
core  

An Empirical Study on the Employment Monitoring and Early Warning Mechanism of Medical Graduates in Universities with Big Data and Complex Computing System

open access: yesDiscrete Dynamics in Nature and Society, 2021
Based on the management of big data, the analysis and forecast of the employment demand cycle business situation studied in this article is based on the employment cycle theory and a complete set of employment monitoring, employment evaluation ...
Haixia Wu, Sang-Bing Tsai
doaj   +1 more source

Carbon market. The future investment of sustainable development in developing countries: climate smart investment [PDF]

open access: yesEnvironmental Economics, 2017
There is no doubt that the problem of climate change has become imperative for all parties oа the international community to join forces to resolve this crisis.
Hesham Elsayed Eissa
doaj   +1 more source

The role of green events in a green economy

open access: yes, 2015
Events are a very distinctive and visible component of the tourism sector and a good ‘bellwether’ of progress to sustainability. A green economy requires rebooting an economy to one based on sustainability principles.
Green, Amelia   +2 more
core   +1 more source

Obtaining potassium and sodium nitrates from the mother liquid of coal waste from the shurab deposit for the purpose of obtaining organomineral fertilizers [PDF]

open access: yesE3S Web of Conferences
This paper presents the results of a physicochemical analysis of potassium nitrate, sodium nitrate, and humic acids obtained from mother liquors obtained from local coals.
Arabov Firdavs   +4 more
doaj   +1 more source

Export diversification and the green economy: the key role of economic risk

open access: yesTechnological and Economic Development of Economy, 2023
As countries propose to develop their green economy strategies to achieve sustainable development goals, many researchers and practitioners have analyzed the various factors affecting this special economy and how export diversification impacts the ...
Chien-Chiang Lee   +3 more
doaj   +1 more source

Heterogeneity in the Global Practice of Central Nervous System Staging in Pediatric Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) involvement in childhood acute lymphoblastic leukemia (ALL) is assessed by cell counting and cytomorphology from cerebrospinal fluid (CSF) and is used for treatment stratification worldwide. The ratio of “CNS2” patients in clinical trials ranges from 3% to 40%, with unclear prognostic significance ...
Laura Almási   +14 more
wiley   +1 more source

The green Knoevenagel condensation: solvent-free condensation of benzaldehydes

open access: yesGreen Chemistry Letters and Reviews, 2017
This paper presents a novel, green Knoevenagel procedure for the chemical transformation of benzaldehydes into their corresponding α,β-unsaturated acids.
Jack van Schijndel   +3 more
doaj   +1 more source

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