果味型烤烟香精主要由反式-2-己烯醛,甲酸己烯酯等组成。
The fruity type flue-cured tobacco essence mainly consists of trans-2-hexenal, hexenyl formate and the like.
文章建立了用离子色谱法测定生物柴油中的甲酸、乙酸、丙酸的方法。
The paper introduced the method of determining the methanoic acid, ethanoic acid and propanoic acid in bio-diesels via ion chromatography.
采用具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯(PTT)。
Synthesize polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.
该物质以对羟基苯甲酸为原料,经三步合成。
The substance was synthesized from P-hydroxybenzoic acid through three steps.
本文介绍了5%WG 苯甲酸酯类的制备方法。
This paper introduced the preparation of emamectin benzoate 5% WG.
理论优化表明,三个吡啶甲酸分子都具有平面的平衡构型。
Theoretical optimizations show that the equilibrium geometries of the three picolinic acid molecules are planar.
研究了水分含量对氨基化钠制备2-苯基苯甲酸胺收率的影响。
The effect of content of water on the yield of 2-phenylbenzmide by using sodium amide was studied.
利用植物生产纯化对苯二甲酸(PTA)和单乙二醇(MEG)。
Use plants to manufacture purified terephthalic acid (PTA) and monoethylene glycol (MEG).
最近的化学分析已确定它们所包含的蓝色荧光物质是邻氨基苯甲酸的糖基化形式。
Recent chemical analysis has identified the blue fluorescent material they contain as a glycosylated form of anthranilic acid.
在环氧化反应中,利用价廉、易制备的过氧甲酸以几乎定量的收率得到了环氧化合物。
The use of performic acid, an affordable and easily prepared reagent, in epoxidation led to quantitatively the target epoxide.
甲酸失去氢离子便形成甲酸盐。
远离个人护理和清洁用品中的邻苯二甲酸盐。
Stay away from phthalates in vinyl, personal-care and cleaning products.
气味来源:壬烷,邻苯二甲酸脂,正丁醛,二甲基砜,吲哚
希契科克说:“这个洋娃娃含有两种至六种的邻苯二甲酸盐物质。”
"This baby doll contains two of the six types of phthalates," said Hitchcock.
这是保证此塑料产品不含任何潜在的危险的邻苯二甲酸类物质的最佳方式。
It's the best way to guarantee that the plastic doesn't contain potentially dangerous phthalates.
不过还没有发现乙烯基玩具和其他软性塑料中的邻苯二甲酸酯会影响人的行为。
No behavioral effects were found for the phthalates used in vinyl toys and other soft plastics.
研究人员表示,他们还无法弄清产前接触邻苯二甲酸酯是如何导致行为问题的。
The researchers said they do not know how prenatal exposure to phthalates may lead to behavioral problems.
巨细胞病毒感染可使用药物治疗,如更昔洛韦,缬更昔洛韦和膦甲酸。
CMV infection may be treated with drugs such as ganciclovir, valganciclovir and forscarnet.
其实邻苯二甲酸酯已经存在50多年了,只是无人知晓人们与它的接触在不断增加。
Phthalates have been around for about 50 years, and it is unknown whether people's exposure has increased.
—指甲油里含有邻苯二甲酸酯,而邻苯二甲酸酯常与生育问题及怀孕困难。
Nail varnish contains Phthalates, linked to fertility issues and complications in developing babies.
从甲酸盐中获取所需的能量是目前最简单的维持生命方式,虽然它依赖于无氧的环境。
Getting useful energy from formate is now the simplest way known for any life form to get its fuel, though it relies on the absence of oxygen.
一种新发现的生命体生活在大洋深处热水流火山口附近滚烫的热水里,依靠甲酸盐生存。
A newly discovered life form lives in deep, boiling hot water near hydrothermal vents in the ocean. On formate.
但是调查发现该公司用棕榈油代替邻苯二甲酸二酯(DEHP),来降低成本。
But the company was found to have substituted palm oil with the Di-phthalate, or DEHP, to cut production costs.
邻苯二甲酸盐,一种添加到塑料制品中增加柔软度的复合物,被认为与婴儿出生缺陷有关。
Phthalates, compounds added to plastics to make them softer, have been linked to birth defects.
科学家认为甲酸盐做为供养生命的能量源简直太苛刻了,但是这些古细菌却很好地生存下来。
Scientists thought formate was too poor an energy source to support life. But these archaea do fine.
对这些母亲还进行了怀孕期间邻苯二甲酸酯调查,因为此阶段正是孩子大脑发育的最敏感阶段。
The mothers were tested for phthalates during pregnancy, the most sensitive time for a child's brain development.
科学家们认为,这项研究还发现了一个新的问题,邻苯二甲酸酯可能对儿童的大脑发育产生影响。
Scientists said the study has uncovered a new problem that could be related to phthalates - effects on a child's developing brain.
预防原则提醒我们应该留神一些私人用品,比如香水,除非它们标明不含邻苯二甲酸盐。
The precautionary principle suggests that we should be wary of personal products like fragrances unless they are marked phthalate-free.
预防原则提醒我们应该留神一些私人用品,比如香水,除非它们标明不含邻苯二甲酸盐。
The precautionary principle suggests that we should be wary of personal products like fragrances unless they are marked phthalate-free.
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