objective: the present study aims to verify web preservation projects and programs in order to explore their preferred solutions in tackling the technical challenges.   method: a documentary method was used to identify and analyze web-preservation-related literature, including papers, handbooks, web sites and documents. the programs’ persons in charge were also questioned. besides, top web pres...

according to importance of environmental resource in natural ecosystem preservation and human life, restriction of destruction is necessary. miankaleh wetland in mazandaran province is settlement of animal and herbaceous rare species and due to migration of birds therefore, this research will discuss determination of preservation value in miankaleh international wetland and measure of individua...

although individuals knowledge and awareness toward natural resources, especially wetlands had been increased but still social consideration level toward wetland importance, functions and sensitivity are low. considerable amount of wetlands destruction caused by miscalculation of wetlands functions’ values in a market condition. estimating the value of wetland’s function is a way in order to un...

Background Increasing survival rates in patients who suffer from oncological disease and improvement in reproductive medicine techniques has led to increasing use of different fertility preservation methods. The evidence supporting current and forthcoming options for fertility preservation consisted of two main parts as for female and male. Fertility preservation options for female and male dep...

With increasing life expectancy, the demand for preservation of native articular cartilage is increasing to delay joint arthroplasties. In the knee, there are many different strategies to preserve the articular cartilage including but not limited to corrective osteotomies, chondral injury restoration, intraarticular injection of cells or growth factors(PRP). However, One of the most important s...

background: socket preservation after tooth extraction is one of the indications of bone grafting to enhance preorthodontic condition. the aim of this study is to determine the effects of socket preservation on the immediate tooth movement, alveolar ridge height preservation and orthodontic root resorption. materials and methods: in a split-mouth technique, twelve sites in three dogs were inves...

the present study investigated the possibility of replacing salamon with modified shotor diluent (msd) and egg yolk (ey) with low density lipoprotein (ldl) for chilled storage of ram semen. good quality semen (>80% progressive forward motility (pfm) of sperm) from 3 fertile rams was collected using an artificial vagina and pooled for each experiment. low density lipoprotein was extracted from f...

background: environmental problems of the plastic materials used in food packaging and the demand for food quality improvements lead to the development of packaging in natural materials. edible films such as calcium alginate extend the shelf life by acting as a selective barrier against moisture and oxygen. the main objective of this study was to explore a calcium alginate based edible film to ...