نتایج جستجو برای: the physicochemical parameters doc
تعداد نتایج: 16109781 فیلتر نتایج به سال:
Descriptors in the Abraham equations for all the 209 PCBs have been obtained from literature chromatographic data. The six descriptors suffice for the prediction of water to octanol partitions, and for the prediction of various water to solvent and gas to solvent partitions, solubility in water, and water to micelle partition. For water to octanol, gas to dry octanol, gas to wet octanol, solubi...
Background and objectives: Argyreia pilosa (Convolvulaceae) has been utilized for many aliments in the conventional system ethnomedicinally; most significantly against sexually transmitted diseases, skin troubles, diabetes, rheumatism, cough, and quinsy. The key challenge experienced in the standardization of herbal drugs is the correct identification of the plant sour...
Background and Objectives: From health perspective, swimming pools must have appropriate physical, chemical, and microbial properties and must be desirably maintained. In this research, physicochemical parameters, microbial, and fungal contamination of swimming pools have been examined in Kerman. Methods: This cross-sectional study was carried out in 2014-2015. Fifteen hundred samples were c...
The objective of this study is to determine the impact of the key technological parameters on the quality indices of functional beverages produced from whey and enriched with 0.2% of cold-pressed flaxseed oil, rich in ω-3 fatty acids. The amount of fatty acids, peroxide and anisidine values, fatty acidity, sedimentation and sensory parameters of whey beverages were estimated. It was found that ...
Backgrounds and Objectives: Powdered Activated$ carbon is known as a suitable absorbent for organic materials. The aim of this research is evaluation of Powdered Activated-Carbon (PAC) efficiency in removal of Dissolved Organic Carbon (DOC) in water treatment in Isfahan.Materials and Methods : The increase of PAC for DOC reduction has done in three paths in the Isfahan water treatment plant (WT...
Benthic primary producers in marine ecosystems may significantly alter biogeochemical cycling and microbial processes in their surrounding environment. To examine these interactions, we studied dissolved organic matter release by dominant benthic taxa and subsequent microbial remineralization in the lagoonal reefs of Moorea, French Polynesia. Rates of photosynthesis, respiration, and dissolved ...
In the present study, the physicochemical properties and antioxidant activities of different Iranian honey samples are investigated using various multivariate techniques in order to develop a quality control model. Forty-eight Iranian honey samples were tested for 15 physicochemical and antioxidant parameters. The parameters for which the samples were tested included color intensity, moisture, ...
شاخص های عمده ی کربن محلول در آب عبارتند از tdc(کل کربن محلول)، dic (کربن معدنی محلول) و doc (کربن آلی محلول). منشأ عمده ی کربن محلول موجود در منابع آبی می تواند از جو، گیاه، سنگ و خاک و آلاینده ها باشد. با ریزش های جوی و نفوذ آب در خاک و سنگ ها، dic (از انحلال co2و هوازدگی مواد سیلیکاته و کربناته) وdoc (از انحلال مواد آلی موجود در خاک) وارد منابع آب های سطحی و زیرزمینی می شوند. عوامل مختلف فیز...
Nineteen physicochemical properties of natural amino acids are correlated by combination of a large number of molecular descriptors considering simple connectivity of atoms, their topological orientations in two dimensions and quantum-chemical molecular descriptors describing interactions among them. All the molecular descriptors are amalgamated to generate the principal components, which are d...
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