Showing 3,961 - 3,980 results of 11,929 for search 'Sapper~', query time: 2.20s Refine Results
  1. 3961

    Israel and Migration of High Skilled Workforce: Brain Drain and the Possibility of Replenishing the Market with High-Quality Human Capital by D. A. Maryasis

    Published 2019-09-01
    “…At the same time, today Israel witnesses emigration of such specialists, mainly to the United States. This paper is devoted to the analysis of the current situation. …”
    Get full text
    Article
  2. 3962

    Estimate the Concentrations of Some Heavy Metals in Industrial Wastewater in Al-Dora Oil Refinery by Hawraa G. Auied, Saadiyah A. Dhahir, Maitham A. Sultan

    Published 2025-02-01
    “…This study quantifies copper, iron, cadmium, cobalt, lead, and nickel levels in industrial wastewater samples at Al-Dora refinery. …”
    Get full text
    Article
  3. 3963

    Phase transformation mechanism of oxidation roasting of low-grade polymetallic chalcopyrite ore in the presence of CaO by Ma H.-F., Liao Y.-L., Wu M., Jia X.-B., Yang S.-G.

    Published 2023-01-01
    “…The results show that by pelletizing with CaO and then roasting at 800 ℃ for 1 h, chalcopyrite is converted into CuO, which can be easily dissolved, galena and pyrite are converted into PbO2 and Fe2O3, respectively, and sulfur reacts with CaO and turns into CaSO4, which can fix the sulfur in the calcine. The copper leaching rate of calcine can reach 98.60 wt.% under atmospheric pressure in the H2SO4-H2O system. …”
    Get full text
    Article
  4. 3964

    The effects of environmental patents on renewable energy consumption by Mihaela Onofrei, Bogdan Narcis Fîrțescu, Florin Oprea, Dana Claudia Cojocaru

    Published 2024-10-01
    “…In other words, environmental patents appear in the transformation equation as the main trigger for innovation, generating a growing influence as the demand for the use of renewable energy sources increases, thus facilitating the transition process towards a (cleaner) and affordable energy market. …”
    Get full text
    Article
  5. 3965

    Recurrence of Mitotically Active Cellular Fibroma of the Ovary by Dario Bucella, Jean-Frédéric Limbosch, Frédéric Buxant, Philippe Simon, Isabelle Fayt, Vincent Anaf, Jean-Christophe Noël

    Published 2009-01-01
    “…Therefore, the classification within the group of fibromatous tumours may represent some difficulties, thus, one or several of these features should appear. Case. We introduce the clinical and pathologic features based on one case of recurrence of a mitotically active cellular ovarian fibroma (MACF) in the pararectal fossa. …”
    Get full text
    Article
  6. 3966

    Super elastic and negative triboelectric polymer matrix for high performance mechanoluminescent platforms by Hong In Jeong, Hye Sung Jung, Milos Dubajic, Gunpyo Kim, Woo Hyeon Jeong, Hochan Song, Yongju Lee, Swarup Biswas, Hyeok Kim, Bo Ram Lee, Jae Woong Yoon, Samuel D. Stranks, Soon Moon Jeong, Jihoon Lee, Hyosung Choi

    Published 2025-01-01
    “…By investigating interactions between elastic polymers and copper doped zinc sulfide microparticles, we reveal that elasticity significantly governed triboelectric effects for mechanoluminescence. …”
    Get full text
    Article
  7. 3967

    The Chronic Effect of Interval Training on Energy Intake: A Systematic Review and Meta-Analysis by Jenna Taylor, Shelley E. Keating, David J. Holland, Jeff S. Coombes, Michael D. Leveritt

    Published 2018-01-01
    “…Single bouts of acute exercise do not appear to increase subsequent energy intake (EI), even when energy deficit is large. …”
    Get full text
    Article
  8. 3968

    Fluid Inclusions and C-H-O-S-Pb Isotope Systematics of the Changfagou Deposit, Jilin Province, Northeast China by Bo Peng, Bile Li, Jun Chen

    Published 2018-01-01
    “…Phase separation or immiscibility is the important mechanism in the precipitation of molybdenum, whereas a decrease in temperature is the important mechanism in the precipitation of copper polymetallic sulfides. The above characteristics are similar to those of the porphyry deposits related to continental environments. …”
    Get full text
    Article
  9. 3969

    ICEEMDAN–VMD denoising method for enhanced magnetic memory detection signal of micro-defects by Shouhong Ji, Jie Yan, Yang Liu, Guojun He

    Published 2025-02-01
    “…During the enhanced magnetic memory detection of micro-defects, many interference signals appear in the detection signal, which makes it difficult to accurately extract the characteristics of the micro-defect signals, significantly affecting detection effectiveness. …”
    Get full text
    Article
  10. 3970

    CORRELATION BETWEEN SGOT AND SGPT LEVELS WITH POSITIVE HBsAg LEVELS by Nisa'ur Rosyidah, Erlinda Widyastuti, Annisa Auliya Rahman, Nur Septia Handayani, Belgis

    Published 2024-07-01
    “…The correlation coefficient for each is 0.110 and 0.144. Conclusion: It can happen because HBsAg levels vary between the disease's different phases, the patient's characteristics, and the levels of SGOT and SGPT.…”
    Get full text
    Article
  11. 3971

    A Real-Time Timetable Rescheduling Method for Metro System Energy Optimization under Dwell-Time Disturbances by Guang Yang, Junjie Wang, Feng Zhang, Shiwen Zhang, Cheng Gong

    Published 2019-01-01
    “…Few have been focusing on how to minimize the energy consumption when disturbances happen. In this paper, a real-time timetable rescheduling method (RTTRM) for energy optimization of metro systems has been proposed. …”
    Get full text
    Article
  12. 3972

    A Reconfigurable WiMAX Antenna for Directional and Broadside Application by M. Jusoh, M. F. Jamlos, M. R. Kamarudin, T. Sabapathy

    Published 2013-01-01
    “…It is discovered in simulation that the switches can be represented with a copper strip line or touchstone (TS) block . The proposed antenna design operates at 2.37 GHz to 2.41 GHz and has a maximum gain of 6.4 dB and efficiency of 85.97%. …”
    Get full text
    Article
  13. 3973

    Enhancing ride comfort of semi-active suspension through collaboration control using dung beetle optimizer optimized Fuzzy PID controller by Kunlun Zhang, Azizan As’arry, Liucun Zhu, Abdul Aziz Hairuddin, Mohd Khair Hassan, Mohd Zarhamdy Md Zain

    Published 2025-01-01
    “…Use MATLAB/Simulink to build a quarter semi-active suspension model with magnetorheological (MR) dampers for simulation analysis. Under sinusoidal and random disturbances, compared with the passive suspension, the vehicle acceleration of the Fuzzy-DBO-PID controller is reduced by 51%, 50.82%, 47.56% and 11.42%. …”
    Get full text
    Article
  14. 3974

    Assessment of Pollution Trend of Oke Afa Canal Lagos, Nigeria by R. A. Olowu, O. O. Ayejuyo, G. O. Adewuyi, I. A. Adejoro, T. A. Akinbola, M. O. Osundiya, C. T. Onwordi

    Published 2010-01-01
    “…Low concentration of zinc and copper were observed except lead that has a higher concentration above the allowed permissible level at a point B of the sampling sites. …”
    Get full text
    Article
  15. 3975

    Excavating trajectory planning of electric shovel based on dynamic excavating volume prediction by Juan Wu, Rui Liu, Baoguo Lin

    Published 2025-01-01
    “…Then, the trajectory model of the dipper tooth tip is established by using the 6th polynomial interpolation method, and the minimum excavation energy consumption per unit volume is taken as the optimization objective, and the whale optimization algorithm is used to plan the excavation trajectories for four kinds of complex stacking surfaces (concave, convex, convex–concave and stepped stacking surfaces). …”
    Get full text
    Article
  16. 3976
  17. 3977

    The Persistence of Antibiotic Resistance in Observational Studies: Is It Really Due to Differences in Sub-Populations Rather than Antibiotic Use? by Peter Collignon, John J. Beggs

    Published 2025-01-01
    “…Though missing explanatory covariates are a well-known cause of falsely interpreted statistical findings, how the problem manifests in this context has a particular and interpretable structure. This issue does not appear to have been previously addressed with clarity. …”
    Get full text
    Article
  18. 3978
  19. 3979

    Impact of Cell Size Effect on Nutrient-Phytoplankton Dynamics by Tiancai Liao, Hengguo Yu, Chuanjun Dai, Min Zhao

    Published 2019-01-01
    “…In this paper, a nutrient-phytoplankton model, which is described by a system of ordinary differential equations incorporating the effect of cell size, and its corresponding stochastic differential equation version are studied analytically and numerically. …”
    Get full text
    Article
  20. 3980

    SOCIOLOGY AS A TOOL OF “PEDAGOGICAL INTELLIGENCE” by A. L. Andreev

    Published 2018-06-01
    “…The article describes the current socio-cultural situation in the study and teaching of History, which is aggravated not only due to a decrease in the level of historical competence of young people, but also owing to the divergence of historical discourses, as well as to some postmodernist methodological principles that hamper the establishment of historical truth. The article discusses the influence of this situation on the perception of the scientific concepts of the historical process, which constitute the content basis of the educational process, on the course of this process and its results. …”
    Get full text
    Article