نتایج جستجو برای: phenyl boron and potassium excess
تعداد نتایج: 16853487 فیلتر نتایج به سال:
The present study reports a microwave-assisted method for the synthesis of twelve novel tricyclic 1,4-dihydropyridine derivatives in which dimethyl-substituted cyclohexane and / or tetrahydrothiophene rings are fused to the DHP ring. The structures of the compounds were confirmed by spectral methods and elemental analysis. The potassium channel opening effects of the compounds were determined o...
boron toxicity is one of the most important disorders for plant cultivation in the arid and semi-arid regions. boron accumulation usually occurs in deeper soil layers due to leaching and therefore improvement of such a soil in this situation is difficult. an experiment was conducted to find out the effect of boron on the vegetative and physiological aspects of olive trees. six concentrations of...
introduction: boron possesses widespread properties and is important for human and animal nutrition. since boron is rapidly bioavailable, the objective of the present study was to determine whether acute (hourly or daily), and weekly supplementationcould have any significant biological effects on the synthesis of steroids as well as inflammatory biomarkers. methods: eight male volunteers partic...
Potassium borates, which are widely used in welding and metal refining industry, as a lubricating oil additive, cement additive, fiberglass additive and insulation compound, are one of the important groups of borate minerals. In this study the production of a potassium borate mineral via hydrothermal method is aimed. The potassium source of potassium nitrate (KNO3) was used along with a sodium ...
In the title complex, [CuCl(2)(C(15)H(14)N(4)O)], the Cu(II) atom possesses a highly distorted square-planar geometry with N-Cu-N and Cl-Cu-Cl angles of 79.86 (8) and 98.65 (3)°, respectively, while the Cl-Cu-N angles fall into two distinct groups with values of 95.26 (6), 98.75 (6), 150.56 (6) and 152.04 (6)°. The pyridyl ring is twisted by 9.4 (2)° with respect to the triazole ring, which is ...
Marshmallow is a medicinal plant containing mucilage polysaccharides and various phenolic acids. Boron (B) is an essential micronutrient whose necessity for plant growth and development has been attributed to its role in cell wall pectin network and maintenance of integrity and performance of membranes. The present study was aimed to investigate the effects of different concentrations of B (0.0...
The present study reports a microwave-assisted method for the synthesis of twelve novel tricyclic 1,4-dihydropyridine derivatives in which dimethyl-substituted cyclohexane and / or tetrahydrothiophene rings are fused to the DHP ring. The structures of the compounds were confirmed by spectral methods and elemental analysis. The potassium channel opening effects of the compounds were determined o...
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