Polymethyl methacrylate also has some disadvantages: as we have already mentioned, the material deforms under the influence of high temperatures.
研究人员特别专注于短链脂肪酸酯,因为它的含量最为丰富,且众所周知--它们会在血液中循环。
In particular they focused on the short-chain fatty acid acetate, because it is the most abundant and is known to circulate throughout the bloodstream.
尽管喷涂聚氨酯泡沫在安装后不会引起任何健康危害,但与职业有关的健康危害已成为主要担忧。
Although spray polyurethane foam does not cause any health hazards after installation, occupational-related health hazards have become a major concern.
由于氯代棕榈油甲酯的优良特性,在行业内受到越来越多同仁和合作小伙伴的认可与支持。
Due to the excellent properties of chlorinated palm oil methyl ester, the industry is recognized and supported by more and more partners.
年代生物聚酯材料开始用于制作人工韧带,LARS韧带是其中的典型代表。
Biological polyester materials began to be used for making artificial ligaments in 1990s, and LARS ligament is a typical example of them.
用卡氯菊酯或类似化合物浸泡蚊帐甚至衣物已证明可增加对蚊子的防护。
Impregnation of bednets and even clothing with Permethrin or similar compound has been shown to increase protection against mosquitoes.
莎士比亚的话也适用于聚甲基丙烯酸甲酯,因为无论你怎么称呼它,它仍然是相同的塑料。
Shakespeare's words also apply to polymethyl methacrylate, because whatever you call it, it remains the same plastic.
首先,BPS的化学比重氮酯,更稳定的芳基叠氮化物,和diazirines。
First, BPs are chemically more stable than diazo esters, aryl azides, and diazirines.
当矿物油与酯油或其他合成油交换时,应将泵拆卸彻底清洗。
(6) when the mineral oil and synthetic ester oil or other interchangeable pump should be disassembled for thorough cleaning.
由于使用量较少,厂家较少大规模生产,大约占聚酯薄膜领域的5%左右,国内企业也较少进口。
Due to the use of less manufacturers less large-scale production, accounting for about 5% of the field of polyester film, domestic enterprises are less imported.
Kerstan explained that with LOCTITE MAX polyurethane resin, catalyst can be added according to the size of the part to further shorten the curing time.
酮盐和酯可能对身体成分没有影响,因为它们仍然提供卡路里。
Ketone salts and esters are unlikely to affect body composition as they still provide calories.
不饱和聚酯在加工固化时不排出水分或其他副产物,因而可在较低的压力和温度下成型。
Unsaturated polyesters do not vent moisture or other by-products during processing and can be formed at lower pressures and temperatures.
托比亚斯,朱迪思,和酯的书籍,然而,占据了最后的地方,因为它们涉及的个人历史。
The books of Tobias, Judith, and Ester, however, occupy the last place because they relate personal history.
即使植物基聚酯产品经过焚烧,源自植物的碳燃烧排放出的二氧化碳也不会增加大气中的二氧化碳浓度。
Even when plant-based polyester products are incinerated, the CO2 emitted from the plant-derived carbon does not increase the concentration of atmospheric CO2.
Occupational exposure Occupational exposure may occur during the production of flame retardants- containing polyurethane foams and end-product manufacture(European Communities, 2001b).
维生素A及其酯通过两步氧化过程转化为维甲酸及相关化合物。
Vitamin A and its esters are converted to retinoic acid and related compounds via a two-step oxidation process.
That's the case with polyhydroxyalkanoate(PHA) polyesters, the two main members of which are polyhydroxybutrate(PHB) and polyhydroxyvalerate(PHV).
聚已内酯(PCL),一种合成脂肪族聚酯,虽不是由可再生资源制成,但六周后可完全降解。
Polycaprolactone(PCL) is a synthetic aliphatic polyester that isn't made from renewable resources but does completely degrade after six weeks of composting.
以聚氨酯弹性体为中心,我们将继续满足各行业的未来需求,将产品置于技术的最前沿。
Focusing on polyurethane elastomer, we will continue meeting the future demands of various industries with products at the forefront of technology.
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