热缩塑料包是一个流程,在产品周围附上一个封闭的塑料包,通常使用密封胶密封,然后对产品加热,通常使用加热管道,收缩塑料膜使之附着在产品上。
Shrink-wrapping is a process where a closed bag is formed around the product, typically using a
当室外寒冷时,用塑料布和收缩膜遮起来,用吹风机在四周把塑料吹热。
When it's cold out, cover your Windows with plastic and shrink-wrap them by using a hairdryer to heat the plastic at its edges.
主要的征象是热、红、肿、痛。其过程始于组织受损的邻近小动脉的收缩。
Its major signs are heat, redness, swelling, and pain. The process begins with brief contraction of nearby arterioles.
热的金属一冷下来就收缩。
通过热重、红外-热重联机对纤维增强热收缩制品的表面基材改性聚乙烯的热稳定性进行了研究。
The heat stability of modified PE in the surface materials of heat shrinkable articles reinforced by glass fiber was studied by means of TGA, TGA-IR.
得到有益于认识铸件中此类接头凝固特性和热节位置的变化规律,对工艺设计者认识和防止成型过程中产生凝固收缩缺陷是很必要的。
The results are very important to understand the solidification characters of steel castings with T conjunction and to estimate the position of the hot-spot in the castings to avoid shrinkage defects.
收缩膜;也叫热缩膜,小玩具、蜡烛等产品用此类包装较多。
Shrink film; also known as pyrocondensation , small toys, candles and other products with this type of packaging.
据认为,在这一点,首要因素导致剥离是热的收缩推进剂冷却过程中。
It was felt at this point that the primary factor leading to disbonding was thermal shrinkage of the propellant during cooling.
由于变形作用(水化热、收缩、气温差)引起工程结构的裂缝是很复杂并很重要的问题。
The problem of cracks, which is caused in structures by deforming effect, such as hydration heat, shrinkage, temperature difference of atmosphere, is very important and complicated.
已有的测定铸造合金热裂、应力、线收缩参数的仪器不仅操作不便,而且功能单一。
But the instruments of testing heat check, stress and linear shrinkage of casting alloy at present are not only inconvenient in operation but also unitary in function.
介绍一种新型铸造合金线收缩-应力-热裂特性综合测试系统。
A new type of multi-function system for testing linear shrinkage, stress and hot cracking of casting alloy is introduced in the paper.
PET收缩膜是一种高性能的定向热可塑性弹性体的复合材料。
E-PET shrink film is high performance oriented composite of thermoplastic elastomers.
运用有限元工具,对影响中厚钢板热弯曲成形中冷却收缩的主要因素进行了有限元数值模拟。
With the finite element method, the main factors that affecting the cooling contraction of the bent steel plate of medium thickness are simulated.
它具有机械强度高、韧性好、耐热性好及高的热强度、低收缩性、固化性好等特点。
It has high mechanical strength, toughness, good heat resistance and high thermal intensity, low shrinkage, good curing characteristics.
研究了热懈温度和保温时间对陶瓷产率、线收缩率、力学性能以及微观结构的影响。
The effects of pyrolysis temperature and soaking time on ceramic yield, linear shrinkage, mechanical properties and microstucture were investigated.
大体积混凝土在固化过程释放的水化热会产生较大的温度变化和收缩作用。
Releasing steam heat from the mass concrete structures while solidifying leads to produce the temperature change and contraction.
这里主要研究了牵伸机热盘、热板温度对涤纶长丝热收缩率的影响,最后,得出其回归方程。
The affection of the temperature of heat board and heat plate on the heat shrinkage of polyester filament was studied in this paper; finally the regression equations were given.
热金属一开始变冷就收缩。
本文研制一种新型铸造合金线收缩-应力-热裂特性多功能测定仪,它可以方便准确的测定金属热裂、应力、线收缩特性。
A new multifunctional device for testing linear shrinkage, stress and heat check of casting alloy easily and quickly is developed in the paper.
研究表明:轮毂的工艺缺陷主要为缩孔、缩松以及凝固过程中收缩导致的裂纹缺陷,主要分布在轮辋、辐条交汇的热节部位。
The results indicate that the casting defects are mainly shrinkage porosity and cracks caused by solidification shrink, which mainly presents in the hot spot between the spoke and the rim.
主要产品有热成型机、热收缩膜机、卷杯机及塑料模具等。
Our main products include thermoforming machine, pyrocondensation film machine, curling machine, plastic mould and so on.
研究了一种耐热聚乳酸,并对其进行了红外光谱、示差扫描量热分析、热重分析、X-射线衍射、热收缩及断裂强力等测试。
The heat resistant poly(lactic acid) was studied, the structure and properties were characterized by FTIR, DSC, TG, X-ray diffraction, heat shrinkage and breakage strength.
混凝土的早期开裂主要是由于混凝土失水所产生的干燥收缩、水泥水化所产生的混凝土自收缩以及水泥水化热所产生的温度应变所引起。
The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.
评述了含钼的发光材料、仿金合金、热致收缩化合物、自润滑材料在我国的研究新进展。
Some new progress of research on molybdenum containing new material in China were reviewed.
吸水率小,很容易在砂浆中得到控制,收缩率小,不空鼓开裂,有稳定的热工性能与力学性能,并且也相对提高了砂浆的使用寿命。
Low water absorption, easily controlled in mortar, low shrinkage, no hollowing and cracking, stable thermal property and mechanical property, increase the mortar service life.
本文提出了一种用于热熔收缩材料的热熔密封胶配方,研究了增粘剂,填料、丁基橡胶对密封胶性能的影响。
The formulation of a hot-melt sealing adhesive for shrinkable materials is presented. The effects of stick agent, filler and butyl rubber on the properties of the adhesive are studied.
由于二氧化碳的增加,它已在如此高海拔地区起到冷却效果,这也导致了热层收缩。
As carbon dioxide increases, it has a cooling effect at such high altitudes, which also contributes to the contraction.
这是至少在43年中最大的热大气层收缩。
This is the biggest contraction of the thermosphere in at least 43 years.
由于太阳的活动,阻挡有害紫外线的热大气层会定期扩张和收缩。
The thermosphere, which blocks harmful ultraviolet rays, expands and contracts regularly due to the sun's activities.
由于太阳的活动,阻挡有害紫外线的热大气层会定期扩张和收缩。
The thermosphere, which blocks harmful ultraviolet rays, expands and contracts regularly due to the sun's activities.
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