نتایج جستجو برای: wool
تعداد نتایج: 4385 فیلتر نتایج به سال:
Today, natural colorants are emerging globally due to their safety and environmental friendly characteristics. Natural dyes have been employed in dyeing Persian carpet piles for many years. Food and fruit industry wastes are one of the main sources of colorants which can be employed for textile coloration. Eggplant (Solanum melongena), a member of the family Solanaceae, is used in food recipes....
(R1 and R2, polypeptide chains.) The optimum pH for the reaction is 5. Increasing the temperature, time of reaction or concentration ofNaHSO3 does not cause more than about one-third of the disulphide-S to react [Elsworth & Phillips, 1941]. The reaction is slowly reversed when the bisulphited wool is rinsed with cold water, but it is possible to free the treated wool from uncombined NaHSO3 and ...
T HE development of the Targhee breed of sheep began in i9=6 when the Bureau of Animal Industry at the U. S. Sheep Experiment Station, Dubois, Idaho mated select Rambouillet rams with select ewes of Corriedale XLincoln-Rambouillet and Lincoln XRambouillet combinations. Descendants of these crosses have been interbred and carefully selected to produce Targhee sheep. Spencer and Stoehr (x94L) hav...
Wool growth is derived directly from protein synthesis in the skin of sheep, and is affected by the nutritional status of the animals. The present experiment examined both protein synthesis in the skin and muscle and wool growth in Merino lambs differing in live weight, intake and dietary protein source. The experiment was a 2(3) factorial design: twenty-four 5-month-old lambs initially weighin...
The relations of lung function and chest radiographic appearances with exposure to inspirable dust were examined in 634 workers in five wool textile mills in west Yorkshire, randomly selected to represent fully the range of current exposures to wool mill dust. Most of these workers could be categorised into three large sex and ethnic groups; European men, Asian men, and Asian women. Exposures t...
An 18-year-old girl with no psychiatric history presented with abdominal pain. Four months previously she had given birth to a healthy baby. On palpation, a painful abdominal mass was identified in the epigastric region, and gastrotomy was performed. A J-shaped hair-wool ball and two large pieces of sheep's wool were removed. No history of trichotillomania was reported.
Cumulative lifetime (five lamb crops) lamb production and wool production of 681 ewes were evaluated in this study. Lamb production and wool production from each ewe at the end of age 2, 3, 4, 5, and 6 yr were added to the previous year's production and analyzed within age of ewe. If a ewe failed to lamb, died, or was culled, it received a zero for that year and subsequent years. Main effects i...
Adsorption of dye methylene blue from aqueous solution on the surface of sheep wool and cotton fibers was accomplished under the optimize conditions of temperature, concentration, pH, stay time duration and quantity of adsorbent. Spectrometric technique was used for the measurements of concentration of dye before and after adsorption. The percentage removal and distribution constant (KD) values...
Ocular microangiopathic syndrome is found frequently in patients with AIDS or severe HIV infection. Symptoms of this microvascular syndrome can include cotton-wool spots, hemorrhages, and Roth's spots. The clinical and functional significance of HIV-related ocular microangiopathic syndrome has not been clarified as yet. The objective of this study was to evaluate a possible association between ...
Substantial rhythms in clean wool, wax and suint production have been observed for dry, spring-shorn Merino ewes maintained od a uniform plane of nutrition in exposed pens. Changes can be related directly to mean daily temperatures. Reversed rhythms were recorded for dry, spring-shorn, grazing sheep where both nutrition and climate were changing. Thus climate corrections would enhance the nutri...
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