نتایج جستجو برای: harmonious stages in production
تعداد نتایج: 17088008 فیلتر نتایج به سال:
A model analyzing the economics of sheep farming is formulated. The basic idea is simple. Sheep are capital and they are held by farmers as long as their capital value exceeds their slaughter, or meat, value. The farmers are therefore portfolio managers aiming to find the optimal combination of different categories of animals and the yields are compared with the yields from other assets. The mo...
Since the introduction of acrylic fibres as a wool-like apparel fibre to the textile market in the early 1950s, their applications have greatly diversified. Substantial modifications of the acrylic fibres are now possible at several points in the manufacturing route. These range from the selection of comonomers through changes in spinning conditions to specific thermal and chemical modification...
It is widely accepted that indigo dyes derived from Murex trunculus were used to produce the biblical dyes tekhelet and argaman. We describe a method of following the debromination of natural leucoindigos and their binding to wool using NMR spectroscopy. Debromination is observed prior to reaction with the wool and prior to oxidation. Binding to the wool is shown to occur prior to oxidation. NM...
We survey a number of tools that have been developed for generating sets of colours according to commonly accepted rules for colour harmony. Informal manual techniques for generating harmonious sets of colours have been known and used for at least a century. Although superficially simple, they have not been precise techniques, as pigment-based and dye-based colouring techniques are not suscepti...
Background and purpose: Iodine is a trace element that has a major role in function of thyroid hormones. Disorders caused by iodine deficiency are the main preventable reasons for mental and physical problems. The purpose of this study was to determine the content of iodine in salt used in Kermanshah, Iran. Materials and methods: Three hundred samples from 39 food suppliers were collected in...
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