نتایج جستجو برای: 464 78 percent and vegetable tanning leathers 130 45 kgf
تعداد نتایج: 16871769 فیلتر نتایج به سال:
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Kai Liu Toshiyuki Yamamoto *2 Taka Morikawa *3 Graduate School of Civil Engineering, Kobe University *1 (1-1, Rokkodai, Nada, Kobe City, Japan, 657-8501, +81-78-803-6436, [email protected]) Department of Civil Engineering, Nagoya University *2 (Furo, Chikusa, Nagoya City, Japan, 464-8603, +81-52-789-4636, [email protected]) Department of Environmental Engineering and Arc...
abstract: background: breast carcinoma is the first malignancy among iranian ladies and the second cause of death due to cancers after gastric carcinoma. according to the world health organization the annual incidence rate of breast cancer will rise 1.8 to 2 percent. it is one of the most important health problems. five year survival is one of the indicators used for evaluation of the quality o...
Skin and leather characteristics of hair-type goats were studied in relation to their sex and age, using 100 randomly-selected skin from goats reared in east west Iran. Mean weights of skin and leather were 859.2±35.2 and 357.4±16.2 g, and the length and width of leather ranged from 60 to 121 and 41 to 87 cm, respectively. Age had a significant effect on the weight and area of skin and leather....
چکیده معضل چاقی به عنوان عارضه ای جدی برای زندگی بی تحرک و ماشینی، مورد توجه اغلب مراکز بهداشتی و درمانی دنیا قرار گرفته است. چاقی عامل زمینه ساز و در واقع عامل خطری برای بروز بیماری های قلبی - عروقی است که عموماً با کاهش طول عمر مورد انتظار و افزایش بیماری همراه است. هدف پژوهش حاضر تأثیر 12 هفته تمرینات ویبریشن کل بدن، تمرینات هوازی و تمرینات ترکیبی( هوازی و ویبریشن کل بدن) بر ترکیب بدنی زنان ...
Pemanfaatan serat daun nanas dan kitosan sebagai pengawet adalah salah satu langkah pengembangan material alat tangkap yang ramah lingkungan, dengan memanfaatkan limbah cangkang kerang, udang, kepiting, biasanya langsung dibuang. Tujuan dari penelitian ini untuk menganalisis pengaruh dalam menambah kekuatan putus tali agar dapat digunakan penangkap ikan. Metode metode eksperimen menggunakan 2 (...
BACKGROUND Indoor tanning is a popular behavior that may increase skin cancer risk. OBJECTIVE To examine characteristics associated with use or intention to use indoor tanning among adolescents. METHODS A telephone interview was conducted with 1273 adolescents, aged 14 to 17 years, in the Minneapolis-St Paul, Minn, and Boston, Mass, metropolitan areas. Questions included demographic and phe...
بررسی رابطه بین یادگیری سازمانی و توانمندسازی مدیران و معاونین مدارس شهرستان میانه دکتر محمد اورکی1، دکتر هاشم نعمتی، گلسیما عزیزی* استادیار گروه علوم تربیتی ، دانشگاه پیام نور تهران جنوب استادیار گروه علوم تربیتی. ، دانشگاه پیام نور مشهد دانشجوی کارشناسی ارشد مدیریت آموزشی ، دانشگاه پیام نور تهران جنوب [email protected] میانه- دانشگاه پیام نور میانه مدیر آموزشی، 2226062 – 0423، ت...
The mortality of 833 male tannery workers known to have been employed in the industry in 1939 and who were followed up to the end of 1982 was studied. A total of 573 men had been employed in making leather tanned by vegetable extracts for soles and heels, and 260 men had used chrome tanning to make leather for the upper parts of shoes. No significant excesses of deaths were found for any of the...
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