Showing 2,241 - 2,260 results of 5,311 for search '30 Under 30', query time: 0.08s Refine Results
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    Stiffness Determination of Backfill-Rock Interface to Numerically Investigate Backfill Stress Distributions in Mine Stopes by Guangsheng Liu, Xiaocong Yang, Lijie Guo

    Published 2021-01-01
    “…The results show that the newly proposed method leads to totally the same backfill stress distributions with models applying the interface stiffness by the method in FLAC manual based on a “rule-of-thumb” but will save at least 20%–30% calculation time to improve modeling efficiency under the same simulation conditions and will carry much clear physical meanings corresponding to the interaction between backfill and rock walls in mine stopes. …”
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    Procedural Sedation with Dexmedetomidine for Anterior Mediastinotomy in a High-Risk Patient by Miguel Pratas, Jorge Aires, Nuno Pereira da Silva, Tiago Oliveira, Cristovão Pinto, Jiele Li, Ana Filipa Ribeiro

    Published 2022-01-01
    “…Relaxation of bronchial smooth muscles under general anesthesia increases the risk of airway obstruction. …”
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    The relationship between maternal age, obesity and child mortality: a cross-sectional study using 2013–2014 Demographic and Health Survey in Democratic Republic of the Congo at nat... by Zacharie Tsala Dimbuene, Raphaël Muanza Nzuzi, Severin Mabanza Matondo

    Published 2025-01-01
    “…Design: Secondary analysis of data from nationally representative cross-sectional sample of women of reproductive ages (15–49 years) and their children under 5 years. The outcome variable for maternal nutritional status was BMI, classified into underweight (BMI < 18·50 kg/m2), normal weight (18·50–24·99 kg/m2), overweight (25·0–29·9 kg/m2) and obesity (>=30·0 kg/m2). …”
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    Study on the Atomization and Dust-Reduction Performance of a New Type of External Pneumatic Vortex Fog Curtain Dust Removal Device in Fully Mechanized Excavation Face by Deji Jing, Rina An, Jingxu Chen, Shaocheng Ge, Liying Sun

    Published 2020-01-01
    “…It is found that when jet wind speed is 30 m/s, atomization pressure is 4 MPa, and nozzle working angle is 75°, the atomization performance of the new type of external pneumatic vortex fog curtain dust removal device is the best. …”
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    Dynamics of Higher Education for Accountants in Russia: Achievements, Problems and Prospects by T. Yu. Druzhilovskaya, E. S. Druzhilovskaya

    Published 2023-07-01
    “…Intensive changes in business under the influence of the scientific and technological revolution cause significant changes in the requirements for the accounting profession and challenge society to look for new approaches to university accounting education. …”
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    Growth and Fruit Yield of Okro as Influenced by Genotypes and Mulch in the Guinea Savannah Conditions of Ghana by Richard Yaw Agyare, Mashark Seidu Abdulai, Samuel Saaka Buah, Emmanuel Ayipio, Samuel Kwame Bonsu, Regine Tchientche Kamga

    Published 2017-01-01
    “…The highest average yield was obtained under plastic mulch (3.49 t/ha) which was 4.2% higher than grass (3.34 t/ha) and 11% higher than no mulch (3.11 t/ha). …”
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    Hybrid energy harvesting enabled by a covalent organic framework membrane by Jiaming Yi, Zhuozhi Lai, Qing Guo, Zhiwei Xing, Qi Sun

    Published 2025-01-01
    “…Furthermore, the membrane facilitates thermo-osmotic energy conversion by selectively screening ionic charges driven by combined salinity and temperature gradients. Under simulated estuarine salinity conditions and a 30 ​K temperature gradient, the COF membrane achieved a maximum output power density of 91.4 ​W ​m−2—an 18-fold increase compared to the commercial benchmark (5 ​W ​m−2). …”
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    The agronomic mechanism of root lodging resistance and yield stability for sweet corn in response to planting density and nitrogen rates at different planting dates by Qinggan Liang, Qinggan Liang, Qinggan Liang, Qinggan Liang, Hailong Chang, Hailong Chang, Hongrong Chen, Hongrong Chen, Qingdan Wu, Qingdan Wu, Yuanxia Qin, Zhuqing Wang, Gang Wang, Xuhui Li, Weiwei Chen, Jiantao Wu, Jiantao Wu, Qinnan Wang, Jianqiang Wang, Jianqiang Wang

    Published 2025-02-01
    “…Two nitrogen (N) rates (200 kg ha-1, N200; 150 kg ha-1,N150) applied to the main plots and three planting densities (20 cm plant space, D20; 25 cm plant space, D25; and 30 cm plant space, D30; 60 cm rows space for all plots) as subplots. …”
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