Boron is a important element that can be used in many different fields such as the ceramic industry, fertilizers, insecticides, corrosion inhibitors and etc. Boric acid is a naturally occurring compound containing boron, oxygen and hydrogen (H3BO3) elements. I…
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38 results for “boric acid”
Numerous studies have been carried out in the field of material science for the development of lightweight materials with high wear resistance, high strength and good corrosion resistance. Aluminum and its alloys are one of the most important engineering mater…
The Minimum Inhibitory Concentration of H. perforatum L. fatty acid were researched on three pathogens, namely Escherichia coli, Staphylococcus aureus and Candida albicans using modified spectrophotometric microdilution technique. Firstly, the fatty acids (FA)…
Plants encounter a variety of environmental stress factors that affect plant growth, fruit yield and quality. Stress factors cause physiological dysfunctions, ion imbalance, depression in photosynthesis, leading to growth reduction and decrease in fruit qual…
The new material type is ‘cryogels’, which have important potential in biotechnology applications. Cryogels can be obtained from natural or synthetic polymers. It is seen that cryogens prepared from natural polymers become a preferred material group for tissue…
Molecular interactions have been a hot topic in chemistry because of their importance in different processes from biological activities [1]. Quantum dots with strong and easily tunable luminescence and high emission quantum yields have become well-established …
Streptomyces is a genus of Gram-positive bacteria that has a filamentous form similar to fungi. Streptomyces produces bioactive secondary metabolites, such as antifungals, antivirals, antitumorals and various antibiotics (Procópio et al., 2012). The aim of thi…
In this study, the experimental application of polymer electrolyte membrane fuel cell (PEM-FC) with dc-dc boost converter is realized for compact design of electric vehicle (eV). The PEM-FC is an electro-chemical device which combines hydrogen with oxygen to p…
Sarıçam odununun çeşitli vakum/difüzyon sürelerinde emprenye işlemine tabi tutulması ve su bazlı vernik uygulamasıyla da çeşitli teknolojik özellikleri belirlenmiştir. Emprenye işleminde ASTM 1413 76 esaslarına uyulmuş olup; kullanılan emprenye maddelerinin öz…
Günümüzde ahşap malzeme hayatımızın her alanında kullanılmakta olup, sürekli kullanımdaki tercih edilebilirliği devam eden bir malzeme olarak karşımıza çıkmakta ve ahşap malzemenin önemini daha da arttırmaktadır. Yangın her zaman yaşadığımız ortamda meydana ge…
In this study, spruce wood’s boric acid and nano technological varnish different vacum/ diffusion in time impregnating with respect to ASTM 1413-76 standards and the changes on technological features are researched. Retention percent, bending strength, modulus…
Lactobacillus’lar; gram pozitif, çubuk şeklinde, patojenik olmayan bakterilerdir. Bazı Lactobacillus türleri yoğurt, peynir, bira, şarap, turşu ve konserve gibi yiyeceklerde starter kültürü veya probiyotik olarak kullanılmaktadırlar. Genellikle güvenli (GRAS…
Over the past decade, gold nanoparticles (AuNPs) have stimulated great interest in various types of sensors because they possess many attractive properties such as optical, electronic and chemical features [1]. In order to gain more intrinsic properties and …
The effective control and treatment of chronic diseases requires access to diagnostic tests that are rapid, reliable and very sensitive. Nucleic acid based methods of pathogen detection technologies offer very rapid and accurate results with high sensitivity a…
Üstün yeteneklilerin alacağı eğitimde birinci faktör olarak öğretmenlerin sahip olması gereken özellikler belirtilebilir. Öğretmenlerin mesleki yeterlikleri ve kişisel özellikleri öğrencilerinin gelişiminde oldukça etkilidir. Öğretmenlerin hem sahip olduğu ala…
Kanser küresel olarak ölümlere neden olan ciddi bir halk sağlığı sorunudur. Bu sağlık sorununun nedenleri genetik (%5) ve çevresel etmenler (%95) olarak iki gruba ayrılmaktadır. Çevresel etmenler arasında ise beslenme alışkanlıklarının kanser oluşumunda önem…
In this study, natural colored (dark gray) wool and white angora fibers were firstly hand-spun and then hand knitted fabrics were produced from these yarns. Then, mass per unit area, air permeability and the hand of the fabrics were compared statistically. I…
Organic dyes and complexes such as phthalocyanines (Pcs) may show photocatalytic properties against to photocatalytic degradation of pollutants [1]. The use of metallo phthalocyanines as organic photocatalysts in solution derives from their intense absorption …
Phthalocyanines (Pcs) have many uses in advanced technology. In recent years, the applications of MPc complexes have expanded to fields such as photodynamic therapy (PDT) photodetectors, photoconductive agents in photocopiers, and electrocatalysts, but these c…
In this study, we focused on to drive a compound DC motor with a Fuel-Cell and battery, which uses hydrogen as a fuel. A fuel cell can supply maximum 40V electric. In order to drive a DC motor, it needs 200Vdc. Therefore, a microcontroller controlled boost con…