查询词典 di-phthalate

The catalyst used diethyl 2,3—di—i—propylsuccinate as internal donor particles were also synthesized.

采用 2，3-二异丙基琥珀酸二乙酯为内给电子体合成了负载型聚丙烯催化剂。

Methods Glutaric dialdehyde was prepared from benzimidazolium salt and saturated dihalide by the addition-hydrolysis reaction of benzimidazolium salt with Di-Grignard reagent.

方法以苯并咪唑盐和二卤代烷为原料，利用苯并咪唑盐与双Grignard试剂的加成水解反应合成戊二醛。

Chapter 1: The reactions of methylenecyclopropanes with phenylsulfenyl chloride or phenylselenyl chloride give cyclobutene derivatives along with ring-opened products in good total yields at 0 °C in various solvents. The reactions of methylenecyclopropanes with diphenyl diselenide give the di-phenylselenyl substituted ring-opening products which can be transformed to 2,5-dihydrofuran derivatives under the oxidation with hydrogen peroxide at room temperature.

在第一章中，我们发现亚甲基环丙烷类化合物在0℃时即可很快与苯硫氯或苯硒氯发生反应生成取代环丁烯类化合物和正常的开环产物；而与二苯基二硒的反应则需加热到150℃以上才能进行反应，生成的二苯硒基开环产物在双氧水氧化下可以转化为取代二氢呋喃类化合物。

Quello che distingue il cervello umano da quello di un computer è la componente "non-logica".

与众不同之处是什么人脑从一个计算机部分是&非逻辑&。

The sodium dithiobenzoic acid was oxidized with potassium ferricyanide to obtain di disulfide.The influences of raw materials mole ratio,stirring method and reaction time on the yield were studied with orthogonal test.

用铁氰化钾溶液氧化二硫代苯甲酸钠，得双二硫代苯甲酰，采用正交实验探讨了4，4'-偶氮双(4-氰基戊酸)与双二硫代苯甲酰反应的投料比、搅拌方式、反应时间对反应收率的影响。

In 1996 graduated as 'Dottore di Ricerca' in Veterinary Internal Medicine.

1990年毕业于博洛尼亚大学兽医学院。

Ducato di Milán, A.D. 1080 Summer

米兰共和国，公元 1080 夏

In a recent interview at his office in Shanghai, he described party officials as "useless" and prone to spouting n**ense, although he used more delicate language to di**iss their relevance.

最近在他位于上海的办公室接受采访时，他将go-vern-ment官员形容为&无用的&，并且很容易在胡言乱语，尽管他使用更加微妙的语言来表达从而听上去上去不是那么有针对性。

Resu lts Totally 11 outbreaks reported in 2005. The epidemiology was sporadi c primarily and the outbreaks were usual. Entomophilous and nature infectious di seases were higher for type. Most of the outbreaks in the period of May to Se ptember. Most ofthe patients were pupils, andmost of the cases occured in rural area.

结果 2005年共报告爆发疫情11起，流行形式以散发为主，爆发流行时有发生；发病病种以虫媒和自然疫源性传染病为主；发病时间以6- 9月为高峰；发病学生以小学生为主；地区分布以农村为主。

Officers are selected by the eparchial government which they are responsible for, and sent to the "Di" to collecting the messages announced by the administrative agents or even the empire, then writing them on the bamboo placard or the damask, and deliver them to their shire leaders via the early post station for reading.

邸内派驻有办事员，负责将皇帝和各行政部门发布的信息收集起来，写在竹简或绢帛上，通过驿站传送给各郡的太守参阅。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。