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Application of Presplitting Blasting Technology in Surrounding Rock Control of Gob-Side Entry Retaining with Hard Roof: A Case Study
Published 2021-01-01“…The drilling peep results show that the implementation effect of presplitting blasting technology is good. The results showed that deep holes and shallow holes with small spacing and parallel to each other shall be arranged on the planned seam line. …”
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Deformation and Failure Evolution Law and Support Optimization of Gob-Side Entry in Weakly Cemented Soft Rock under the Influence of Fault
Published 2024-01-01“…Under the condition of weakly cemented soft rock in Western China, the surrounding rock deformation of gob-side entry is obvious, especially under the influence of fault, and the problem of surrounding rock control becomes increasingly prominent. …”
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Study on cracking mechanism and key parameters of roof in gob-side entry retaining by pre-split blasting roof in deep mine
Published 2025-01-01“…Based on 7135 working face of Qidong Coal Mine, the cracking mechanism of pre-splitting of gob-side entry retaining by roof cutting and the key parameters of pre-splitting blasting are studied by means of theoretical analysis, numerical simulation, and on-site measurement. …”
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Grouting Reinforcement of Large Building Foundation over Old Gob Areas: A Case Study in Huaibei Mining Area, China
Published 2018-01-01“…In the past, few special measures were required for the foundations of small buildings above old gob areas. But a plan was created to construct a large office building 100 m in length, 90 m in width, and 100 m in height, above old gob areas in the Huaibei subsidence area. …”
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Research on the Reasonable Coal Pillar Width and Surrounding Rock Supporting Optimization of Gob-Side Entry under Inclined Seam Condition
Published 2021-01-01“…In order to study the optimal coal pillar width and surrounding rock control mechanism of gob-side entry under inclined seam condition, the 130205 return air entry adjacent to 130203 gob in Yangchangwan No. 1 well is taken as a typical engineering background. …”
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Adsorptive Dephenolization of Aqueous Solutions Using Thermally Modified Corn Cob: Mechanisms, Point of Zero Charge, and Isosteric Heat Studies
Published 2023-01-01“…The sorption mechanisms, point of zero charge, and isosteric heats involved in the adsorptive dephenolization of aqueous solutions using thermally modified corn cob (TMCC) were studied at different initial phenol concentrations (100–500 mg/l), TMCC dosage (0.4–2.0 g), contact time (5–60 min), pH (2–10), and temperature (30–60°C). …”
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An Experimental Investigation on the Mechanical Properties of Gangue Concrete as a Roadside Support Body Material for Backfilling Gob-Side Entry Retaining
Published 2018-01-01“…Development of a safe and economical roadside support body (RSB) material is the key to successful backfilling gob-side entry retaining (GER). By means of laboratory tests, this paper studied the effects of the water-cement ratio, aggregate content, and age on the contractibility and resistance increasing speed, compressive strength, and postpeak carrying capacity of the concrete with gangues as an aggregate. …”
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Comparative Marketing Costs for FCOJ from Florida and Sao Paulo
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Comparative Marketing Costs for FCOJ from Florida and Sao Paulo
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Use of Relay Method for Enhancing Comb Construction by <i>Apis cerana cerana</i> Utilizing <i>Apis mellifera ligustica</i>
Published 2025-01-01Subjects: Get full text
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Modelling Upholstered Furniture Frames Using the Finite Element Method
Published 2025-01-01Subjects: Get full text
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Effectiveness extract of Crataeva nurvala leaves as insecticide against Spodoptera litura
Published 2024-12-01Subjects: Get full text
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A novel mutation, Ile344Asn, in microsomal triglyceride transfer protein abolishes binding to protein disulfide isomerase
Published 2025-01-01Subjects: Get full text
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EFISIENSI ALOKASI PENGGUNAAN FAKTOR PRODUKSI USAHATANI PADI SAWAH DAN IMPLIKASINYA TERHADAP PENGEMBANGAN WILAYAH DI KABUPATEN KUANTAN SINGINGI
Published 2014-02-01Subjects: “…Kata Kunci : Efisiensi, Cobb Doughlas, NPM…”
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Analysis of the spatial pattern and causes of ecological environmental quality in Myanmar based on the RSEI model and the Geodetector-GCCM method
Published 2025-02-01Subjects: “…GCCM…”
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