查询词典 acetic aldehyde

The strong corrosion of the acetic acid makes it difficult to select and design the measurement apparatus. In this paper, a new piezometric densimeter was designed and manufactured by ourselves.

另外，在PTA相关体系中，醋酸作为溶剂是生产过程中一个重要的组分，醋酸的强腐蚀性是实验装置的设计和选型的一大难题。

Application of microwaves for destabilization of patulin in acetic acid buffer solution (pH 4.0) was studied.

对乙酸缓冲液中的棒曲霉素进行微波处理，以研究微波处理对苹果汁中棒曲霉素的破坏作用。

The effects of the combination of three hormones, i.e. 1-naphthlcetic acid, 2,4-dichlorophenoxy acetic acid (2,4-D) and 6-benzylaminopurine (6-BA) on tissue culture progress in carnation (Dianthus carophyllus?? L.) were studied.

研究了1-萘乙酸、2，4-二氯苯氧乙酸(2，4-D)和6-苄基腺嘌呤(6-BA)等3种激素的质量浓度组合对康乃馨组织培养过程的影响。

Diphenylbenzidine was synthesized by diphenylamine using glacial acetic acid and water as solvent in acidic condition.

摘 要：以二苯胺为原料，水和冰醋酸为溶剂，在酸性条件下一步合成二苯基联苯二胺，该方法具有操作简单，原料易得等优点。

Replaces the carbon dioxide with the acetic acid to carry on the disproportionation,The production rate and the purity have improved.

用醋酸代替二氧化碳进行歧化，产率和纯度均有所提高。

They were fed with medicine intragastrically. The earlap inflammation caused by bimethylbenzene, the effect on pain induced glacial acetic-acid, the influence on the penetrability of capillary vellset in the abdominal cacity and the weight of rat cotton-ball granuloma were observed. 2.Acute toxicity test: Twenty mice were fed with the rhinitis capsule solution of most concentration and volume by intragastrically. All the actions and the appearance of major organs were observed in twenty-four hours and one week.

分别灌胃给药，观察该药对小鼠二甲苯性耳壳炎症、冰醋酸致痛作用及冰醋酸致腹腔毛细血管通透性增高和大鼠棉球肉芽肿的影响。2、急性毒性实验：20只小鼠灌胃给以最大浓度和最大剂量鼻炎胶囊溶液，用药24小时和1周后观察动物的一切活动及各主要脏器的外观形态。

Results 1 .There were significant difference of the earlap inflammation caused by bimethylbenzene, the pain induced glacial acetic-acid, the penetrability of capillary vellsel in the abdominal cavity and the weight of rat cotton-ball granuloma between rhinitis capsule groups and vacant control groupp

结果 与空白对照组相比，大小剂量鼻炎胶囊组对小鼠二甲苯性耳壳炎症、冰醋酸致痛作用及其腹腔注射后导致毛细血管通透性增高和大鼠棉球肉芽肿均有抑制作用p

For the first time acetic anhydride was used as solvent to disperse HAp particles, which avoided adding acid solution into the suspension and the gas formed by the electroanalysis of water.

石02具有介于钦和HAp之间的热膨胀系数，起到过渡层的作用，从而可降低烧结后涂层和基底之间的残余应力，减少 HAp涂层裂纹的发生，进一步改善了涂层的结合性能。

The experimental data also shows that the energy gap for electron transition of acetic acid molecules does not change in various molecular associations.

实验数据还表明：不同的分子缔合结构并不改变乙酸分子中的电子跃迁能级间隔。

Electropolar solvent such as THF may destroy the polyetherimide layer,while non-electropolar solvent such as petroleum ether cannot solve vinyl acetic acid cobalt.

极性溶剂如四氢呋喃会溶解PEI层，而非极性溶剂如石油醚又不能溶解丁烯酸钴。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48