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This device can distil thin alcohol of 30-50 degree to 93-95 degree.

本装置可将30度-50度的稀酒精蒸馏到93度-95度，残液排放含醇度低，符合环保要求。

We identified the chromosomal number of Dracaena cambodiana for the first time and developed the techniques for observing chromosomes in the root-tip somatic cells.

改良石炭酸品红法要点是于上午9时~10时采集根尖，用饱和的对二氯苯预处理6 h，固定4～18 h，置于1 mol/L稀盐酸在60℃恒温水浴解离6 min，置载玻片用改良石炭酸品红染色30 min，敲片后显微观察。

Kept in accordance with the main livestock and poultry can be divided into:(1) pig farm equipment, mainly including the pigsty (sub isolated defecating type pigsty, ditches addition to manure type pigsty, some gap-type pigsty floors, full-seam floor and childbirth pigsty pigsty and other five), feeding equipment (with screw-type conveyor, reciprocating scraper type, scraper ring type, ring-chain plate and dilute feed, type and other types of pipeline transportation, as well as automatic feeding trough and a variety of feed trucks) and a drinking fountain ( There Duckbill type, cup type and nipple-type 3 type), in addition to fecal equipment with except feces forklifts, scraper-type reciprocating equipment, and water will, inter, inter dung manure equipment, etc.

按所饲养的主要畜禽可分为：（1）养猪场设备，主要包括猪栏（分隔离排粪式猪栏、明沟除粪式猪栏、部分缝隙地板式猪栏、全缝地板猪栏和分娩猪栏等五类）、喂饲设备（有螺旋输送式、往复刮板式、环形刮板式、环形链板式和稀饲料管道输送式等类型，还有自动饲槽和各种饲料车）、自动饮水器（有鸭嘴式、杯式和乳头式3个类型）、除粪设备（有除粪铲车、往复刮板式除粪设备和水冲除粪设备等）；（2）养牛场设备，主要有拴系、饲喂、饮水、除粪、挤奶、牛奶冷却、牛奶输送等设备；（3）养羊设备，主要是草场围栏、羊圈及剪毛机；（4）养鸡场设备，包括鸡笼、喂饲设备、饮水设备、除粪设备、孵化和育雏设备、集蛋装置和鸡粪热干燥设备等；（5）养鸭场设备，主要是自动填鸭器。

The Dumbo Octopus lives extremly deep from 3000-4000 meters and is also one of the rarest of the Octopoda species.

八达通的生活地带与深海域–从3000-4000米以下，也是一个稀有的"Octopoda"物种。

The cell shape effect was qualitatively simulated by an ellipsoidal cell model and more realistic spherocylinder model.

计算中我们采用了稀悬浮液和弱外场极限下的近似。

Polycystic ovary syndrome is the commonest endocrinopathy in women of reproductive age.Its features are chronic anovulation or several ovulate,muticystic augmentation of ovaries,high male hormone.Its clinical manifestation has heterogeneity.

多囊卵巢综合征是育龄妇女最常见的内分泌疾病，PCOS患者以长期不排卵或稀发排卵、卵巢多囊性增大、高雄激素血症为基本特征，临床表现异质性。

"Euxenite:a lustrous, blackish-brown rare -earth mineral consisting primarily of cerium, erbium, titanium, uranium, and yttrium."

黑稀金矿：一种光亮的棕黑色稀土矿石，主要由铈、铒、钛、铀和钇构成。

In the presence of NaH and in DMF, the acyclic crown ethers 1a and 1b were synthesized by the reaction of di-or triethyleneglycol ditosylate and o-methoxymethoxybenzyl alcohol, which was obtained from salicylaldehyde via the protection of the hydroxyl group with chloromethyl methyl ether followed by the reduction of the formyl group with NaBH4. The hydrolysis of 1a and 1b with dilute hydrochloric acid provided the diphenolic type acyclic crown ethers 2a and 2b respectively in good yield.

将水杨醛与碱和氯甲基甲基醚反应，再经过NaBH4还原，即制得邻苯甲醇，然后将其在DMF中与NaH和二甘醇二对甲苯磺酸酯反应，得开链冠醚1a和1b.1a和1b经稀酸水解，即脱保护而分别生成新的酚型开链冠醚2a和2b。

Separation of the two components is accomplished by dissolving the frit in dilute nitric acid .

将玻璃料溶于稀硝酸中来完成两个组分的分离。

Gold was a common form of representative money due to its rarity, durability, divisibility, fungibility, and ease of identification.

黄金以其稀有性，持久性，可分性，可替代性以及易辨别性成为常见的代表货币形式。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。