The organization and structure of a database for the NBS Tables of Chemical Thermodynamic Properties-Selected Values for Inorganic and C, and C, Organic Substances in SI Units is explained. The use of a commercial database management system for the storage and retrieval system is discussed. The file constructs necessary to provide rapid retrieval by elemental composition in this type of databas...

Of basic importance to the study of antibiotic production by microorganisms is a chemically defined medium in which the effect of various nutrients, both organic and inorganic, can be studied with a minimum of interference from ill-defined substances. Such a medium is reported here for the production of neomycin by Streptomyces fradiae, together with studies on the influence of various nitrogen...

Introduction: The most important environmental problem of automotive industries is the produced wastewater due to its various processes. The flocculation and coagulation along with chemical sequestration are among important processes for removing contaminants from wastewaters. The aim of this study is to investigate the efficiency of coagulation and flocculation process along with chemical sequ...

Newly developed tile grouts are intended mainly for environment with strong chemical loading. For this reason, resistance was one of the key parameters observed. The grout cast basalt polymer based, in particular epoxide binder and it utilized solidified hazardous wastes as fillers. It is well-known that has high to solutions inorganic substances. However, easily degraded by organic compounds. ...

A pilot study on laser 3D printing of inorganic free-form micro-optics is experimentally validated. Ultrafast direct-write (LDW) nanolithography employed for structuring hybrid organic-inorganic material SZ2080TM followed by high-temperature calcination post-processing. The combination allows the production architectures and heat-treatment results in converting to substances. produced miniature...

escalating development of tourism and petroleum industries in small islands such as lavan-iranrequires sound solid waste management. in the present investigation, three scenarios which consist of thecombination of landfill, recycling, incineration and composting and their environmental impacts have beenevaluated for 7514 kg/day of waste generation in lavan island. for this purpose, life cycle a...

The Short Time Exposure (STE) test is a simple and easy-to-perform in vitro eye irritation test, that uses the viability of SIRC cells (a rabbit corneal cell line) treated for five minutes as the endpoint. In this study, our goal was to define the applicability domain of the STE test, based on the results obtained with a set of 113 substances. To achieve this goal, chemicals were selected to re...

The ability of a solute (inorganic or organic) to distribute itself between an aqueous solution and an immiscible organic solvent has long been applied to separation and purification of solutes either by extraction into the organic phase, leaving undesirable substances in the aqueous phase; or by extraction of the undesirable substances into the organic phase, leaving the desirable solute in th...