نتایج جستجو برای: cvd method

تعداد نتایج: 1645330  

2016
Viktoryia Shautsova Adam M. Gilbertson Nicola C. G. Black Stefan A. Maier Lesley F. Cohen

We report a CVD hexagonal boron nitride (hBN-) assisted transfer method that enables a polymer-impurity free transfer process and subsequent top encapsulation of large-area CVD-grown graphene. We demonstrate that the CVD hBN layer that is utilized in this transfer technique acts as a buffer layer between the graphene film and supporting polymer layer. We show that the resulting graphene layers ...

Carbon nanotubes (CNTs), nowadays, are one of the important nanomaterials that can be produce with different methods such as chemical vapor deposition (CVD). Growing of CNTs via CVD method can be influenced by several operating parameters that can affect their quality and quantity. In this article, the effects of inlet gas mixture temperature on CNT’s local growth rate, total production, and le...

Journal: :journal of nanostructures 2015
m. najafi h. haratizadeh m. ghezellou

in this study un-doped and eu-doped zno nanorods and microrads were fabricated by chemical vapor deposition (cvd) method. the effects of annealing, synthesis temperature and structure on structural and photoluminescence properties of eu-doped zno samples were studied in detail. prepared samples were characterized using x-ray diffraction (xrd), scanning electron microscopy (sem), particle size a...

Kamran Mirzaei Mohammad Nasir Mohammad Taib Narges Yazdekhasti Rokiah Mohammad Yusof Saeid Najafpour Boushehri, Samad Akbarzadeh,

Objective(s) Oxidized low-density lipoproteins (ox-LDLs) appear to play a significant role in atherogenesis. In fact, circulating ox-LDL concentrations have been recognized as a risk factor for cardiovascular disease (CVD). The main objectives of this study were to assess the effects of antioxidant vitamins on ox-LDL as a biomarker of CVD in male subjects with CVD risk factors. Materials and ...

ژورنال: پژوهش در پزشکی 2015

Background: we investigated the association of different hypertension subgroups including isolated systolic hypertension (ISH), isolated diastolic hypertension (IDH), systolic-diastolic hypertension (SDH), controlled blood pressure (CBP), and uncontrolled blood pressure (UBP) for incident CVD and mortality events. Methods: 6974 middle age and 882 elderly participants were categorized accordi...

ژورنال: :مجله دیابت و متابولیسم ایران 0
فرزاد حدائق مرکز تحقیقات پیشگیری از بیماری های متابولیک، پژوهشکده علوم غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی شهید بهشتی گیتا شفیعی مرکز تحقیقات پیشگیری از بیماری های متابولیک، پژوهشکده علوم غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی شهید بهشتی اصغر قاسمی مرکز تحقیقات پیشگیری از بیماری های متابولیک، پژوهشکده علوم غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی شهید بهشتی پروﻳﻦ سربخش مرکز تحقیقات پیشگیری از بیماری های متابولیک، پژوهشکده علوم غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی شهید بهشتی فریدون عزیزی مرکز تحقیقات پیشگیری از بیماری های متابولیک، پژوهشکده علوم غدد درون ریز و متابولیسم، دانشگاه علوم پزشکی شهید بهشتی

مقدمه: بروز ﺑﻴﻤﺎری های قلبی- عروقی (cvd) در حضور و عدم حضور سندرم متابوﻟﻴﻚ و اختلال قند خون به صورت مستقل از هم، در ﻳﻚ مطالعه آﻳﻨﺪه نگر، طی7/6سال مورد ارزﻳﺎبی قرار گرفت. روش ها: در ﻳﻚ ﺟﻤﻌﻴﺖ اﻳﺮانی، ٤٠۱۸ فرد≥٤٠ سال بدون سابقه cvd وارد مطالعه و به منظور ﺗﻌﻴﻴﻦ وقاﻳﻊ جدﻳﺪ  cvd مورد بررسی قرار گرفتند. ﻣﻴﺰان بروز و خطر نسبی (hr) با توجه به حضور ﻳﺎ عدم حضور سندرم متابوﻟﻴﻚ و اختلال قند خون واجزای آن ﺗﻌ...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

carbon nanotubes (cnts), nowadays, are one of the important nanomaterials that can be produce with different methods such as chemical vapor deposition (cvd). growing of cnts via cvd method can be influenced by several operating parameters that can affect their quality and quantity. in this article, the effects of inlet gas mixture temperature on cnt’s local growth rate, total production, and le...

Journal: :iranian journal of basic medical sciences 0
saeid najafpour boushehri faculty of health, bushehr university of medical sciences. bushehr, iran rokiah mohammad yusof department of nutrition and dietetics. faculty of medicine and health sciences, university putra malaysia, malaysia mohammad nasir mohammad taib department of nutrition and dietetics. faculty of medicine and health sciences, university putra malaysia, malaysia kamran mirzaei faculty of health, bushehr university of medical sciences. bushehr, iran narges yazdekhasti isfahan cardiovascular research center, isfahan university of medical sciences. isfahan, iran samad akbarzadeh faculty of health, bushehr university of medical sciences. bushehr, iran

objective(s) oxidized low-density lipoproteins (ox-ldls) appear to play a significant role in atherogenesis. in fact, circulating ox-ldl concentrations have been recognized as a risk factor for cardiovascular disease (cvd). the main objectives of this study were to assess the effects of antioxidant vitamins on ox-ldl as a biomarker of cvd in male subjects with cvd risk factors. materials and me...

Chemical Vapor Deposition (CVD) is one of the most important methods for producing Carbon Nanotubes (CNTs). In this research, a numerical model, based on finite volume method, is investigated. The applied method solves the conservation of mass, momentum, energy and species transport equations with aid of ideal gas law. Using this model, the growth rate and thickness uniformity of produced CNTs,...

Journal: :Journal of the Society of Materials Science, Japan 2008

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