A survey of Lewis acids was conducted to facilitate the formation of arylidenethiohydantoins. The use of indium(III) triflate shows significant advantages in facilitating this reaction. In most examples, the Lewis acid promoted catalysis gave shorter reaction times, higher conversion, and better ...
What is the Bronsted - Lowry concept of acids and bases? What is the difference between Arrhenius, Bronsted Lowry, and Lewis? What are examples of Lewis acids? What are the pH ranges for acids and bases? What are examples of Lewis bases? What is an example of a strong acid? When an ...
pH Value: By definition, all bases have a pH greater than 7. The acronym pH stands for "potential hydrogen" and is a logarithmic scale that measures the acidity of a solution. Turn pH Indicators Blue: A pH indicator is designed to have a specific reaction with acids and bases and will ...
ethical, and efficient. These benefits are achieved while preserving the integrity and validity of the trial, through the pre-specification and proper adjustment for the possible alterations during the course of the trial. Despite much research in ...
The size, velocity, and heterogeneity of Big Data outclasses conventional data management tools and requires data and metadata to be fully machine-actionable (i.e., eScience-compliant) and thus findable, accessible, interoperable, and reusable (FAIR). Th
Amino acids are the predominant form of nitrogen available to the heterotrophic tissues of plants. These essential organic nutrients are transported across the plasma membrane of plant cells by proton-amino acid symporters. Our lab has cloned an amino acid transporter from Arabidopsis, NAT2/AAP1, ...
We examine a large-scale field experiment that measures the effect of online display advertising. Yahoo! Research and an American apparel retailer collabor... Johnson, Garrett,RA Lewis,D Reiley - 《Social Science Electronic Publishing》 被引量: 48发表: 0年 Using Decision Rules to Create Retireme...
Thousands of scientific papers have described how plants responded to different levels of a given environmental factor, for a wide variety of physiological
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Pb, Zn, Cu, and Ni in the mine surface zone compared to 5.86, 0.01, 0.05, 0.02, 0.07 and 0.01 in the capillary fringe zone. The findings from this investigation have important implications for the management and the control of elements mobility from secondary phases formed in mined areas....