نتایج جستجو برای: nh4oac
تعداد نتایج: 90 فیلتر نتایج به سال:
Abstract The warming phenomenon is one of the most difficult challenges times. Agricultural waste decomposition contributes to global due increase in greenhouse gases. Carbon sequestering used reduce gases mitigate phenomenon. Applying biochar important tools for carbon soil hundreds thousands years. Paper aims produce olive stone (OSB) and apply it soils study its effect on properties status K...
In this paper, we investigate the temperature and pH dependence of the mitochondrial inner membrane anion channel (IMAC) that is believed to be involved in mitochondrial volume homeostasis. At pH 7. 4, the flux of malonate is highly temperature-dependent with rates increasing from 1 nmol/min mg at 5 degrees C to 1900 nmol/min mg at 45 degrees C. The Arrhenius plot is nonlinear with the activati...
A sensitive and precise RP-HPLC method has been developed for the simultaneous estimation of clidinium bromide (CDB) and chlordiazepoxide (CDZ) in pure and pharmaceutical formulations. The separation was achieved on a Nucleodur C8 (250 × 4.6 mm i.d., 5 μm particle size) column at 25°C. CH3CN-MeOH-NH4OAc 0.1M (30 : 40 : 30, v/v/v) was used as the mobile phase at a flow rate of 1.0 mL min(-1) and...
Soil samples from 15 eutrophic, 26 herb-rich, 15 tall-sedge, and 11 low-sedge drained peatland sites were analysed for easily soluble and aluminum, iron, and calcium bound phosphorus (P) using the Chang and Jackson sequential fractionation method. Compared to earlier investigations, where only total and easily soluble P contents (e.g. NH4OAc or dilute H2SO4 extractable P) in peat have been anal...
Olympiadane nanomolecules are a mechanically-interlocked molecule composed of five interlocking macrocycles that resembles the olympic rings. The nanomolecule is a linear pentacatenane or a catenane [1,2]. It was synthesized and named by Fraser Stoddart and co-workers in 1994 [1,2]. The molecule was designed without any practical use in mind, although other catenanes may have possible applicati...
BACKGROUND Due to its high expression in prostate cancer, PSMA (prostate-specific membrane antigen) represents an ideal target for both diagnostic imaging and endoradiotherapeutic approaches. Based on a previously published highly specific PSMA ligand ([(68)Ga]DOTA-FFK(Sub-KuE)), we developed a corresponding metabolically stable 1,4,7,10-tetraazacyclododececane,1-(glutaric acid)-4,7,10-triaceti...
Introduction: The remediation of nuclear contamination in soils and sediments at the Savannah River Site, SC (SRS) is an ongoing government project with implications for the health of ecosystems near the site. In addition to environmental protection, the safety of the food and drinking water produced in the region is also at risk for impurity. In previous studies, hydroxy-interlayered vermiculi...
potassium is an essential plant macronutrient. various microorganisms including bacteria and fungi, algae, yeast and mosses are able to decompose silicate minerals and to dissolve nutrient such as k, fe, zn and si. aamong them bacteria are more important. the aim of this study was to determine the ability of microbial populations for releasing soil potassium. this study was carried out as a fac...
Garlic (Allium Sativum) is a major crop in Hamadan Province. However, adequete information on K status in this region is not available and no suitable extracting solution can yet be introduced. This experiment was carried out to determine the available K level in 10 soils from Hamadan region. The treatments included two K levels (0 and 200 mg K /kg soil as K2SO4) and 10 Soils in a factorial exp...
Garlic (Allium Sativum) is a major crop in Hamadan Province. However, adequete information on K status in this region is not available and no suitable extracting solution can yet be introduced. This experiment was carried out to determine the available K level in 10 soils from Hamadan region. The treatments included two K levels (0 and 200 mg K /kg soil as K2SO4) and 10 Soils in a factorial exp...
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