موقعك الحالي:صفحة رئيسية>المنتجات
Several studies reported the reduced production of chlorophyll pigments due to the shading effects of limestone dust deposition on leaves. Moreover, prevalent alkaline conditions are
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2024.8.21 Scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS, FEI Quanta FEG 250 field emission SEM, United States) and X-ray diffraction (XRD) techniques
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1971.7.1 INTRODUCTION Alkaline dust deposits on plant leaves are known to affect growth by reducing the amount of light available for photosynthesis and reacting with water to
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2023.5.15 Several studies reported the reduced production of chlorophyll pigments due to the shading effects of limestone dust deposition on leaves. Moreover, prevalent alkaline
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2015.1.1 Effects of limestone dust (LSD) on Atterberg’s limits, compaction properties, unconfined compressive strength (UCS), soaked California bearing ratio (CBR), shear strength parameters, hydraulic...
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Discover the hidden dangers of limestone dust, a seemingly harmless byproduct from construction and mining. This article delves into the serious health risks, including respiratory issues and
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2021.1.1 This paper is an experimental investigation of crushed limestone dust to evaluate its feasibility in concrete mix to partially replace fine aggregate. In the paper various
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2022.2.8 Limestone dust (LSD) from stone quarries is promising as a partial cement replacement for the production of ecofriendly self-compacting concrete (SCC). Proper
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2014.12.2 The aims of this study were to analyze the effect of exposure by limestone dust for increasing of IL-8 serum and pulmonary function decline to workers of limestone mining
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Dust exposure and its related harmful effects on miners is a serious health issue. The present study was undertaken to identify respirable dust concentrations and free silica content in 24
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2023.5.15 Effect of different levels of limestone dust and lead toxicities on (A) photosynthetic a, (B) photosynthetic b, (C) carotenoids, and (D) total chlorophyll in the fresh leaves of B. ceiba, E ...
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2021.4.11 BACKGROUND: Limestone dust is produced by limestone mining activities, one of them is PM2.5. Exposure of PM2.5 can cause lung function impairment.
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1971.7.1 EFFECTS OF LIMESTONE DUST ON LEAF CONDITION OF NATIVE PLANTS 75 DISCUSSION The results reported here indicate that the leaves of native sassafras and
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Abstract Background. Dust exposure and its related harmful effects on miners is a serious health issue. Objectives. The present study was undertaken to identify respirable dust concentrations
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1979.6.1 Possible effects of limestone dust on photosynthesis and transpiration throughout the summer season were assessed. Calculations were based on measurements of the dust
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2018.4.10 Quarry limestone dust as fine aggregate for concrete. Liborio Cavaleri 1, Ruben Paul Borg 2, F. P. La Mantia 1 and Vincenzo Liguori 1. Published under licence by IOP
Read More5 天之前 Heating limestone produces a chemical substance used in agriculture called pulverized lime, or calcium oxide. Generally, 2 mg of calcium oxide is considered safe for food use;
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2009.2.1 The crushed limestone rock dust passing 75 μm BS sieve partially replaced by Type 4 (fine) aggregate (washed and had no fine material passing 75 μm BS sieve) by weight
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2023.7.21 Despite the variation in the effect of stone dust on concrete workability due to the different physical characteristics of SD found in the various mining companies around the
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1993.1.1 An increase in quarrying, open-cast mining and road traffic suggest that dust deposition onto vegetation may be increasing. This review describes the physical and
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الصين -تشنغ تشو -المنطقة الوطنية للتنمية الصناعية للتكنولوجيا المتطورة، جادة العلوم رقم 169.
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