نتایج جستجو برای: phosphorus and potash concentration

تعداد نتایج: 16857001  

Journal: Pollution 2020

This study aims to examine the ability of free floating aquatic plants to remove phosphorus and to predict the reduction of phosphorus from rice mill wastewater using soft computing techniques. A mesocosm study was conducted at the mill premises under normal conditions, and reliable results were obtained. Four aquatic plants, namely water hyacinth, water lettuce, salvinia, and duckweed were use...

Journal: :Archives of disease in childhood 1961
R Steendijk

Fraser, Jaco, Yendt, Munn and Liu (1957) and Fraser, Geiger, Munn, Slater, Jahn and Liu (1958) reported healing of rachitic lesions in vitamin Ddeficient and in hypophosphataemic refractory rickets by intravenous administration of phosphate. The concentration of serum inorganic phosphorus, which initially had been very low, was kept at normal levels for a period of five to seven days. The autho...

Journal: :Remote Sensing 2015
Jun-Ting Qiu Chuan Zhang Xiao Hu

The high-grade uranium deposits in the Xiemisitan area, northwestern China, are genetically associated with the faulting of felsic volcanic or sub-volcanic rocks. Ferric iron alteration indicates that oxidizing hydrothermal fluids percolated through the rocks. In this study, we measured the gamma-ray intensities of rocks in the Xiemisitan area and we propose a hybrid method for the mapping of f...

Journal: :international journal of environmental research 0
y. wang faculty of environment science and engineering, kunming university of science and technology, kunming, yunnan 650093, p. r. china y. wang faculty of environment science and engineering, kunming university of science and technology, kunming, yunnan 650093, p. r. china l.q. shi faculty of environment science and engineering, kunming university of science and technology, kunming, yunnan 650093, p. r. china d. song faculty of environment science and engineering, kunming university of science and technology, kunming, yunnan 650093, p. r. china d. song faculty of environment science and engineering, kunming university of science and technology, kunming, yunnan 650093, p. r. china x.j. pan faculty of environment science and engineering, kunming university of science and technology, kunming, yunnan 650093, p. r. china

dianchi lake is one of the most three seriously eutrophic lakes in china. in the present study, the phosphorus (p) and nitrogen (n) fractions in 37 surface sediments samples collected in the dianchi lake were investigated. the total phophorus (tp) in sediments was divided into two parts: inorganic p (ip) and residual p (res-p). the results showed that the total phosphorus content in surface sed...

Lotfali Naseri Mohammad Reza Dilmaghani Syavash Hemmaty

The main reasons for the fixation of some elements and consequently nutrient deficiencies, especially phosphorus, iron and zinc, are high levels of calcium (calcareous soils) and soil pH. Two sulfur fertilizers (sulfur alone and sulfur + organic material + Thiobacillus spp.) with two rates (2 and 4 kg sulfur/tree) were used to decrease soil pH and availability of P, Fe and Zn in apple trees dur...

ژورنال: علوم آب و خاک 2011
جعفر یثربی, , عبدالمجید رونقی, , مریم زاهدی‌فر, , نجفعلی کریمیان, , یحیی امام, ,

The effect of phosphorus (P) (0, 25, and 50 mg kg-1 soil as Ca(H2PO4)2) and organic matter (OM) (0, and 2% w/w feedlot cattle manure) on P and zinc (Zn) distribution in different parts of wheat plant (Triticum aestivum L.) at various growth stages and its relationship with soil P and Zn were determined in greenhouse condition. In all pots, shoot P concentration decreased as plant growth proceed...

2003
Jean Dixmier Pol Duwez W M. Keck

The effect of the phosphorus concentration on the atomic distribution function in amorphous alloys (Pd50-Ni50) 100 _xpx in which x varies from 15 to 27.5 was investigated. The alloys were obtained by rapid quenching from the liquid state. The intensity of the first peak of the interference function decreases with increasing phosphorus content. The second peak has a definite shoulder on the righ...

Journal: :علوم دامی ایران 0
مجتبی زاغری ساره بوربور منصور رضائی اسدالله تیموری یانسری محمد ریاحی

an experiment was conducted using 640 day-old sexed commercial broiler chicks (ross 308 strain) from 10 to 49 days of age. the experimental design was a completely randomized factorial one. the experimental units (pens) contained 20 chicks each and were allotted at random to 4 dietary treatments × two sexes with 4 replicates per treatment. four dietary treatments were formulated based on corn a...

2013
Yozo Okazaki Hitomi Otsuki Tomoko Narisawa Makoto Kobayashi Satoru Sawai Yukiko Kamide Miyako Kusano Toshio Aoki Masami Yokota Hirai Kazuki Saito

Phosphorus supply is a major factor responsible for reduced crop yields. As a result, plants utilize various adaptive mechanisms against phosphorus depletion, including lipid remodelling. Here we report the involvement of a novel plant lipid, glucuronosyldiacylglycerol, against phosphorus depletion. Lipidomic analysis of Arabidopsis plants cultured in phosphorus-depleted conditions revealed ind...

Ebrahim Vasheghani Farahani, Kianoush Khosravi Darani Ramin Karimzadeh Sayed Abbas Shojaosadati, Zahra B. Mokhtari-Hosseini

Plackett-Burman design was used for selection of important media components such as carbon and nitrogen sources and minerals which affect poly(hydroxybutyrate) production and cell growth of Methylobacterium extorquens DSMZ 1340. Among the studied variables, nitrogen and phosphorus sources, MgSO4 and most of the trace elements were found to be significant variables for PHB product...

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