Results 11 to 20 of about 528,498 (289)
A new weakly basic ion-exchanger (called XC-11), with a hypercrosslinked macroporous polystyrene matrix and a high specific surface area, was synthesized.
Chao Xu +5 more
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The Role of Organic Peroxides in the Induction of Mutations [PDF]
The discovery by Wyss, Stone, and Clark' that bacteria grown on a substrate recently exposed to ultra-violet light are subject to high mutation rates shows clearly that some meta-stable chemical substance, probably of no great complexity, is an ...
Cleland, George H. +2 more
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Organic matter in lakes is categorized into allochthonous organic matter, such as leaves and sewage effluent, and autochthonous organic matter, generated by microorganisms within the water system.
Yeon Jung Cho +4 more
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Abstrak Tumpukan sampah di Tempat Penampungan Sementara (TPS) maupun Tempat Pemrosesan Akhir (TPA) yang menghasilkan air lindi perlu dilakukan pemantauan untuk mengetahui air lindi sebelum dibuang guna mencegah terjadinya pencemaran air tanah. Penelitian
Nani Apriyani, Rudy Yoga Lesmana
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Introduction. For new synthesized pharmacologically active compounds, already at the stage of standardization, it is necessary to develop methods for determining their quality indicators, normalized by a pharmacopoeial article for pharmaceutical ...
E. N. Lyust +2 more
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Cocaine use and withdrawal prompt stress system responses. Stress and the negative affective state produced by cocaine withdrawal are major triggers for relapse.
Krista L. Connelly +5 more
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Evaluation of the effectiveness of the action of organic substances on agricultural crops [PDF]
The article presents the results of laboratory model and vegetation experiments to study the biological responsiveness of agricultural crops to new synthesized organic compound (growth regulator).
Akent’eva Tatiana +3 more
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Hygienic assessment of drinking water pollution with organic substances
Introduction. The safety of drinking water is an actual issue that bothers all of those who advocate for access to qualitative drinking water. Civil society is particularly alarmed, since, despite every effort made in order to reduce inequalities in ...
Elena CIOBANU
doaj
The paper provides a comprehensive review of the base-catalysed C3-alkylation of N-unprotected-3-monosubstituted oxindoles. Based on a few, non-systematic studies described in the literature using butyllithium as the deprotonating agent, an optimized ...
Eszter Kókai, Gyula Simig, Balázs Volk
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Building solids inside nano-space: from confined amorphous through confined solvate to confined ‘metastable’ polymorph [PDF]
The nanocrystallisation of complex molecules inside mesoporous hosts and control over the resulting structure is a significant challenge. To date the largest organic molecule crystallised inside the nano-pores is a known pharmaceutical intermediate – ROY
Aceves-Hernandez +69 more
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