نتایج جستجو برای: boric acid
تعداد نتایج: 747512 فیلتر نتایج به سال:
Boric acid dust has a long history as an insecticide in urban pest management, and it has been shown to be an effective alternative to conventional neurotoxic insecticides. However, dust formulations require specialized equipment and are difÞcult to apply, whereas gel and paste formulations contain large amounts of boric acid and tend to be less efÞcacious than other insecticide baits. The purp...
OBJECTIVE To compare boric acid as an effective treatment for VVC compared to fluconazole. We also studied the efficiency of these drugs in preventing recurrence of VVC. DESIGN A cross sectional, randomized, double-blind study. SETTINGS Gynaecology clinic of Imam Reza hospital, Tehran - Iran SUBJECTS Women with signs and symptoms related to Vulvo Vaginal Candidiasis. RESULTS Seventy fiv...
[b(oh)3]0.78[b(oh)2(oso3h)]0.22 or (bsa) was simply prepared by addition of chlorosulfonic acid to commercial boric acid at room temperature. this cheap and green solid acid was used as an efficient catalyst for synthesis of acylals from aldehydes under solvent-free conditions at room temperature.
In Germany the addition of the trace element boron as boric acid or borax to food supplements was not permitted up to now. However, this situation could soon change since the laws in the EU Member States are to be approximated and its addition is permitted in other European countries. If this happens, boron could also go on the market in Germany as an ingredient in food supplements. Against thi...
Studies were conducted on the enhancement of pathogenicity of Bacillus thuringiensis by 1% boric acid against various species of termites. The increase in virulence of Serratia marcescens by 1% Potassium chloride or 1% Sodium citrate against the workers of M. championi has also been established. The increase in virulence is confirmed by the enhancement ratios, which are ranging from about 1.5 t...
In an attempt to decrease ascorbate interference on the ion-chromatographic determination of urinary oxalate, we compared the effectiveness of four different methods for ascorbate elimination by analyzing a representative urine pool supplemented with successive ascorbate additions. Two of the methods--treatment with ferric ions or boric acid--have been described elsewhere; treatments with nitri...
the aim of this research was to evaluate the influence of rooting cofactors including hydrogen peroxide, boric acid and thiamine along with indole-3-butyric acid (iba) on rooting of olive cuttings cv. rashid in autumn 2007 and spring 2008. the study was carried out as a factorial experiment in a completely randomized design (crd) with three replications, and five cuttings in each replication. r...
this study was carried out in order to determine the effects of boron and cold stress on pollen germination of almond hybrids in vitro culture, two different media including the absence and presence of boron (0 mg/l, and 100 mg/l) in 10% sucrose and 1% agar medium at 24°c in dark conditions. the results showed that different treatments had a significant effect on the germination percentage. the...
4- microcerotermes diversus (silvestri) is considered as the most economically destructive pest of wood products in ahwaz. the potential for horizontal transfer of non- repellent termiticides among nest mates has become an important paradigm for control of termites in recent years. this laboratory study evaluated the ability of m. diversus worker termites exposed to boric acid in transfering t...
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