نتایج جستجو برای: preservation method

تعداد نتایج: 1693585  

2007
Robert J. Johnston Joshua M. Duke

In stated preference valuation of farmland preservation, respondents are often told that preservation will occur within a given jurisdictional scale—e.g., community, state, county—but do not know the specific location of parcels in question. Hence, welfare estimates may be available for different scales and/or states, providing numerous avenues for benefit transfer. This paper provides a system...

Journal: :Oncology reports 2015
Jieyu Zhou Yongmei Li Dongmin Wei Ye Qian Wenming Li Dayu Liu Guojun Li Xinliang Pan Dapeng Lei

The aims of the present study were to review the experience of different surgical reconstruction methods for hypopharyngeal squamous cell carcinoma (HSCC) and compared the survival of patients with and without laryngeal function (LF) preservation. The clinical characteristics of 580 patients were retrospectively obtained and analyzed. Survival curves were analyzed using the Kaplan‑Meier method ...

Journal: :محیط زیست طبیعی 0
حبیب الله سلامی استاد گروه اقتصاد کشاورزی، دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران حامد رفیعی دانشجوی دکتری گروه اقتصاد کشاورزی، دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

because of national and international importance of the anzali international wetland, this study attempts to determine the preservation value and estimate willingness to pay (wtp) by iranian households for preserving this wetland, using contingent valuation method. a logit model was employed with maximum likelihood estimation procedure. results showed, education level of householder, informativ...

Journal: :Burns : journal of the International Society for Burn Injuries 2011
Michel H E Hermans

Allografts, cadaver skin and amnion membrane are considered the golden standard in the management of partial thickness burns. However, debate on whether the tissue needs to be viable is on-going, since many believe that viable grafts result in better healing. The objective of this literature survey was to analyse the evidence on the method of preservation of allografts (cadaver skin or amnion m...

Journal: :Journal of Histochemistry & Cytochemistry 1981

Journal: :The Journal of Thoracic and Cardiovascular Surgery 1972

A. Afshari A. Hatami G. Habibi K. Esmaeil Nia S. Bozorgi

The purpose of this study was to examine the potential application of Sorbitol, Sucrose and Gelatin in combination with glycerol in order to Theileria annulata infected cell line cryo-preservation. The efficiency of the freezing methods was compared by assessing the viability and plating efficiency of cells after resuscitation, dilution and equilibration in cell culture medium. As a result, the...

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