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冬季工作服一定是以防寒防冻为主要目的

来源:http://www.ymsfs.com 日期:2022-05-06 发布人:meidesen      

吸湿性较好的衣服无论在夏天或冬天,都对维持人体热平衡有利。内层衣服吸湿性好,有利于皮肤水分蒸发.外层衣料也要有较好的吸湿性。衣料纤维的吸温和放湿过程与周围空气的相对湿度有关,冬天,室外相对湿度比室内高,外层衣服吸收了环境中的水汽,湿度比较高,在吸湿的过程中,水汽在外层衣服上凝结,由于凝结过程放出热量,外层衣服温度升高,可以防止人体热在短时间大量散失,减轻在室外停留的冷应激程度。
Clothes with good moisture absorption are beneficial to maintaining the heat balance of the human body in summer or winter. The inner clothing has good moisture absorption, which is conducive to the evaporation of skin moisture The outer clothing material should also have good moisture absorption. The moisture absorption and dehumidification process of clothing fiber is related to the relative humidity of the surrounding air. In winter, the outdoor relative humidity is higher than that of the indoor. The outer clothes absorb the water vapor in the environment, and the humidity is relatively high. In the process of moisture absorption, the water vapor condenses on the outer clothes. Due to the heat released in the condensation process, the temperature of the outer clothes increases, which can prevent the human body from losing a large amount of heat in a short time and reduce the degree of cold stress when staying outdoors.
服装的防风性强俗话说"寒风刺骨",风透入衣服内.扰乱了衣料纱线之间和衣下气层的静止空气,甚至影响纺织纤维中死腔空气的隔热特性,增加了对流散热,减少了服装的隔热值。所以冬季服装的外层应选择致密、透气性小的材料,例如呢绒.毛皮和革制品等.
Clothing has strong wind resistance. As the saying goes, "the cold wind is biting", and the wind penetrates into the clothing It disturbs the still air between the clothing yarns and the air layer under the clothing, and even affects the heat insulation characteristics of the dead cavity air in the textile fiber, increases the convective heat dissipation and reduces the heat insulation value of the clothing. Therefore, the outer layer of winter clothing should be made of dense and low permeability materials, such as wool Fur and leather products, etc
冬季工作服以防寒防冻为主,服装的保温性是一位的。首先应当选择导热系数小的衣料.因为空气的导热系数小,所以导热系数小的纺织材料其纤维中固有的死腔空气多.比较蓬松,柔软,重量轻.动物绒毛如羊毛,驼毛、鸭绒等是保暖性好的材料.氯纶的保暖性比棉花高50%,所以.氯纶膨体纱也是一种很好的保暖材料。
Winter work clothes are mainly cold proof and antifreeze, and the thermal insulation of clothes is a priority. First of all, clothing materials with low thermal conductivity should be selected Because the thermal conductivity of air is small, textile materials with small thermal conductivity have more dead cavity air in their fibers It is fluffy, soft and light in weight Animal hair, such as wool, camel hair and duck down, is a good material for keeping warm The warmth retention of nylon is 50% higher than that of cotton, so Expanded nylon yarn is also a good thermal insulation material.
以上就是为大家介绍的有关层济南工作服http://www.ymsfs.com的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以的态度,为您提供服务
The above is the Jinan work clothes of relevant layers introduced to you http://www.ymsfs.com I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service
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