Sifat mekanis restorasi komposit resin dapat terdegradasi oleh cairan di lingkungan mulut, termasuk makanan dan minuman seperti buah-buahan. Tujuan dari penelitian ini adalah untuk membandingkan kekuatan lentur dua mikrohibrid yang berbeda setelah perendaman dalam air suling larutan asam sitrat dengan konsentrasi buah jeruk biasa dikonsumsi: mandarin lemon. Empat puluh G-aenial PosteriorTM empa...

Amaç: Araştırmada Antalya ekolojik koşullarında yetiştirilen ‘Hass’, ‘Fuerte’, ‘Zutano’ ve ‘Bacon’ avokado çeşitlerinin tohum meyvelerinde yağ asiti içeriklerinin belirlenmesi amaçlanmıştır. Yöntem Bulgular: meyve etinden elde edilen örnekleri sodyum metoksit metanol karışımı kullanılarak metil esterlerine dönüştürülmüştür. Yağ asitlerinin analizleri ‘CP-WAX52CB 60m’ kolonlu ‘Shimadzu GC 2010 P...

Amaç: Bu çalışmanın amacı, üç farklı tek renkli rezin kompozitin yüzey sertliği, pürüzlülüğü, su emilimi ve suda çözünürlük özelliklerini karşılaştırmaktır. 
 Gereç Yöntemler: Supra-nano dolduruculu kompozit (Omnichroma (OC), Tokuyama Dental, Japonya), mikrohibrit (Essentia(ES),GC,Japonya) ultrafine nanohibrit kompozitten (Charisma Topaz ONE(CTO),Kulzer,Almanya) hazırlanan toplam 90 adet ö...

in order to determine the copper status and correlation between the ceruloplasmin and copper of serum and among the copper of serum, liver and kidney of slaughtered goats in shahrekord, blood, liver and kidney samples (10 gr) from 100 goats were gathered. the amounts of ceruloplasmin and copper of serum, liver and kidney were measured by sunderman - nomoto and shimadzu atomic absorption method,...

The application of heat treatment was introduced in Ni-YSZ composite coating as the incorporation ceramic YSZ electroless nickel deposition is new and worth investigating. In this paper, influence by varying heating temperature time on investigated. deposited onto a high-speed steel substrate via co-deposition. powder mixed sizes micro- nano-sized ratio 1:1 incorporated deposits. composites hea...

Bird cherry-oat aphid, (Rhopalosiphum padi /L./ (Hemi-ptera, Aphididae), is a holocyclic host-alternating species in temperate climates between wooden bird cherry, Prunus padus L. (Rosaceae) (winter, primary host) and grasses (summer, secondary hosts). In the spring, the aphid hatches from the winter eggs on P. padus and two wingless generations are developed before appearance of winged spring ...

Heavy metals are very hazardous to human health. In the USA, Food and Drug Administration (FDA) regulates cosmetics so that they safe for consumer use. However, internet shopping has made it easier non-FDA approved come into United States. People have reported serious health problems after using counterfeit purchased online. This project focuses on analyzing commercial hair dyes presence of As,...

Pasteurisasi akan merusak kualitas madu seperti kadar gula pereduksi dan sifat fisik karena panas sensible yang tertahan dalam madu. Oleh itu, dilakukan pengujian pengaruh pendinginan pada setelah proses pasteurisasi dengan alat vacuum cooling. Pada industri pengolah telah menggunakan cooling, saat melakukan vakum, terdapat masalah yaitu tersedot ke selang vakum terjadi, maka peneliti volume se...

The work consists of a detailed study the influence pressure, temperature, volume velocity and molar ratio H 2 /CO on CO conversion DME output. synthesis in presence CuO·ZnO·Al O 3 ·ZrO ·CaO/bentonite: γ-Al catalyst was studied terms their layer-by-layer loading. It shown that method loading catalysts 2:1:2 is best option. Further studies catalytic activity samples were carried out using method...