Results 11 to 20 of about 1,256,521 (330)
Practical Synthesis of Ethynyl(phenyl)-λ3-Iodane Using Calcium Carbide as an Ethynyl Group Source [PDF]
Frontiers in Chemistry, 2020 Stannylation of calcium carbide followed by Sn–hypervalent iodine(III) exchange reaction cleanly afforded the electrophilic ethynylating agent ethynyl(phenyl)-λ3-iodane in high yield.
Takahiro Hashishin +5 more
doaj +2 more sources
Fresh Pineapple Agronomy in the Republic of Benin: Recent Trends in Calcium Carbide Use and Producer Perceptions [PDF]
Plant-Environment InteractionsPineapple (Ananas comosus (L.) Merrill) is among the main fruits produced in West Africa. This is also the case for the Republic of Benin, where pineapple fruit is regarded as an important crop for numerous producers in the Southern part of the country ...
Nicodème Fassinou Hotegni +4 more
doaj +2 more sources
Vinylation of a Secondary Amine Core with Calcium Carbide for Efficient Post-Modification and Access to Polymeric Materials [PDF]
Molecules, 2018 We developed a simple and efficient strategy to access N-vinyl secondary amines of various naturally occurring materials using readily available solid acetylene reagents (calcium carbide, KF, and KOH).
Konstantin S. Rodygin +2 more
doaj +2 more sources
Water Science and Technology, 2022 In this study, a mixed precursor system of fly ash (50 wt%) and calcium carbide slag (50 wt%) was used to prepare a geopolymer, and the hydration and hardening mechanism of the whole system and the microscopic characterization of the calcium carbide-fly ...
Xiaoqing Ma +4 more
doaj +1 more source
Delhi Journal of Ophthalmology, 2020 Introduction: Social media allows social growth of the society but has both advantages and disadvantages. We came across one such example where people are making calcium carbide guns after watching video, spreading through social media to get rid of ...
Namrata Kabra, Smriti Gupta
doaj +1 more source
Thermodynamic prediction of the possibility of comprehensive processing chrysotile-asbestos waste
Case Studies in Chemical and Environmental Engineering, 2023 The article presents the results of thermodynamic prediction of a new process of interaction of chrysotile-asbestos waste with calcium carbide and aluminium (III) oxide with the co-producing gaseous magnesium and calcium aluminosilicate.
Yerbol Akylbekov +2 more
doaj +1 more source
Reaktor, 2023 This research was conducted to study the efficiency of residual calcium carbide as an adsorbent using a batch process to remove iron (II) from textile industrial waste.
Muhammad Arief Karim +2 more
doaj +1 more source
Pd/MCM-41 catalyst for acetylene hydrogenation to ethylene [PDF]
Royal Society Open Science, 2019 This study aims to produce ethylene using the calcium carbide route, acetylene from calcium carbide and then selective hydrogenation of the high-concentration acetylene to ethylene.
Lihua Kang +2 more
doaj +1 more source
Energies, 2022 In order to obtain the cheap waste calcium-based sorbent, three wasted CaCO3 precursors, namely carbide slag, chicken eggshells, and analytical reagent-grade calcium carbonate, were selected and prepared at 700 °C to form calcium-based sorbents for CO2 ...
Dehong Gong, Zhongxiao Zhang, Ting Zhao
doaj +1 more source
Use of 2,4-D in Mixture with Ethephon and Calcium Carbide in Pineapple Crop [PDF]
Planta Daninha, 2019 : The 2-Chloroethylphosphonic acid (ethephon) and calcium carbide are used to induce and synchronize the flowering of pineapple crop. Some farmers have used the 2,4-D herbicide in combination with these flowering inducers.
R. RAPOSO JR. +5 more
doaj +1 more source