Results 21 to 30 of about 166,301 (248)

Thực trạng công nghiệp hóa, hiện đại hóa nông nghiệp, nông thôn ở việt nam và Đồng bằng sông Cửu Long

open access: yesTạp chí Khoa học Đại học Cần Thơ, 2022
Bài viết đề cập về quá trình công nghiệp hóa, hiện đại hóa nông nghiệp, nông thôn ở Việt Nam nói chung và Đồng bằng sông Cửu Long nói riêng. Dựa trên các lý thuyết phát triển nông nghiệp, nông thôn và các tiêu chí về công nghiệp hóa, hiện đại hóa nông ...
Võ Thành Danh   +7 more
doaj   +1 more source

Monitoring Extreme Agricultural Drought over the Horn of Africa (HOA) Using Remote Sensing Measurements

open access: yesRemote Sensing, 2019
The Horn of Africa ((HOA), including Djibouti, Eritrea, Ethiopia, and Somalia) has been slammed by extreme drought within the past years, and has become one of the most food-insecure regions in the world.
Carolyn Qu, X. Hao, J. Qu
semanticscholar   +1 more source

Customer Satisfaction in Hotel Services: A Case Study of Thanh Hoa Province, Vietnam

open access: yes, 2020
The study examines the influence of factors on customer satisfaction in hotel services in Thanh Hoa province of Vietnam. In terms of the tangible facilities of hotels, customers appreciate the availability and the full range of equipment and additional ...
Q. Le, T. Nguyen, T. Le
semanticscholar   +1 more source

Factors affecting incomes of ethnic minority households: a case study in Khanh Vinh district, Khanh Hoa province

open access: yesJournal of International Economics and Management, 2023
This study aims to determine factors affecting incomes of poor ethnic minority households in the Khanh Vinh district, Khanh Hoa province. Through survey data of ethnic minority households in Khanh Vinh district, this study used an econometric model to ...
Ho Van Mung   +2 more
doaj   +1 more source

On the Complexity of Finding a Sun in a Graph [PDF]

open access: yes, 2010
The sun is the graph obtained from a cycle of length even and at least six by adding edges to make the even-indexed vertices pairwise adjacent. Suns play an important role in the study of strongly chordal graphs. A graph is chordal if it does not contain
Hoàng, Chính T.
core   +2 more sources

Comparison of two non-primitive methods for path integral simulations: Higher-order corrections vs. an effective propagator approach

open access: yes, 2001
Two methods are compared that are used in path integral simulations. Both methods aim to achieve faster convergence to the quantum limit than the so-called primitive algorithm (PA).
A. Cuccoli   +30 more
core   +1 more source

Carbon and nutrient losses during manure storage under traditional and improved practices in smallholder crop-livestock systems - evidence from Kenya [PDF]

open access: yes, 2009
In the absence of mineral fertiliser, animal manure may be the only nutrient resource available to smallholder farmers in Africa, and manure is often the main input of C to the soil when crop residues are removed from the fields.
Giller, K.E.   +3 more
core   +3 more sources

The Twofold Role of 12-Hydroxyoctadecanoic Acid (12-HOA) in a Ternary Water—Surfactant—12-HOA System: Gelator and Co-Surfactant

open access: yesGels, 2018
Gelled lyotropic liquid crystals can be formed by adding a gelator to a mixture of surfactant and solvent. If the gel network and the liquid-crystalline phase coexist without influencing each other, the self-assembly is called orthogonal.
Katja Steck, C. Schmidt, C. Stubenrauch
semanticscholar   +1 more source

Hip Morphology–Based Osteoarthritis Risk Prediction Models: Development and External Validation Using Individual Participant Data From the World COACH Consortium

open access: yesArthritis Care &Research, EarlyView.
Objective This study aims to develop hip morphology‐based radiographic hip osteoarthritis (RHOA) risk prediction models and investigates the added predictive value of hip morphology measurements and the generalizability to different populations. Methods We combined data from nine prospective cohort studies participating in the Worldwide Collaboration ...
Myrthe A. van den Berg   +26 more
wiley   +1 more source

Disease Patterns among Patients Seeking Emergency and Intensive Care: A single-hospital study in north central Vietnam in 2020

open access: yesAsia Pacific Journal of Health Management
Objective: This retrospective study aims to describe the disease patterns among patients admitted to intensive care units (ICUs) in a public provincial hospital in North Central Vietnam in 2020. Design: We conducted a retrospective descriptive study.
Son Thai Dinh   +6 more
doaj   +1 more source

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