نتایج جستجو برای: 4 mixture of mycorrizha
تعداد نتایج: 21330687 فیلتر نتایج به سال:
Minor workers of the ant Zacryptocerus pusillus have unusual exocrine secretions in both their mandibular and Dufour glands. The mandibular glands contain a 3:1 mixture of 4-heptanone and 4-heptanol, a mixture found only in the related species Z. varians. The Dufour gland contains a mixture of 13 aldehydes from C9 to C18, not previously encountered in ant secretions. The venom glands gave varia...
In order to investigate the effect of micronutrients foliar application and irrigation regimes on black cumin, a field experiment was carried out in Agricultural and Natural Resources Research Center of Bojnord, Iran, in 2009. The experiment was conducted as split plots in randomized complete blocks design with 3 replications. Irrigation regime included: 7, 14 and 21-day irrigation intervals as...
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...
Background: Papilloma viruses are pathogenic double-strand DNA viruses that genotypes 16 and 18 are the cause of more than 50 percent of cancers as cervical cancer. Although vaccination is one of the best options for the papilloma cancer prevention but that is the most of world healthy problem, it is attempted to evaluate both naloxone (NLX) and alum mixture used as adjuvants together with HPV1...
A study for optimizing of siliconizing and borosiliconizing processes on carbon steels has been carried out. The process parameters, i.e, time and powder mixture, were considered for optimization of the case depth, surface quality and the hardness profile.
Time and temperature of the processes were 4 hr and 950˚C, respectively. Powder mixture in siliconizing process was 2.5% ferrosilicon, 2....
Tuberose (Polianthes tuberosa L.) is one of the most important cut flowers in Iran. This research was conducted to investigate the effects of spraying a mixture of amino acids on the physiological and morphological characteristics of tuberose. The experiment was carried out in two successive years (2009 and 2010) using two tuberose cultivars ‘Dezfuli’ and ‘Mahallati’. The experiment was arrange...
With the evolution of mind, humans have started to change the environment according to their needs. One of the first activities was to build a shelter, which later became a house. Wood, stones and other materials have been used either in their original form, or in their split, chopped, sawn, or crushed forms, in more or less skilled ways. Mixtures of materials have been used with the peak in in...
introduction: this in vitro study assessed and compared the cytotoxicity of mineral trioxide aggregate (mta), calcium-enriched mixture (cem) cement, biodentine (bd) and octacalcium phosphate (ocp) on stem cells of the human apical papilla (scap). methods and materials: scaps were isolated from two semi-impacted third molars. the cells were cultured in wells of an insert 24-well plate and were t...
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