取

However, it is noticed that tetrabutylammonium iodide,〓 has an ability to reduce the steric effect of the higher members of ketones in this reaction.

分离系数是表示萃取分离效果的重要参数，它是在同一萃取体系中两种不同元素的萃取平衡常数或萃取分配比的比值。

This article makes a study of the effects of six different solvents on lacquer wax extraction of the Japanese Rhus succedanea,concerning the rate of extraction,the albedo value,melting point and chemical characteristics.

研究6种不同溶剂对日本野漆蜡的萃取率、白度值、熔点和化学特征值的影响。结果表明，溶剂种类对日本野漆蜡萃取率和白度值具显著性影响，但对熔点和化学特征值影响较小。试验得出石油醚(30~60℃)是漆蜡萃取的最佳溶剂，浸提温度低，时间短，漆蜡萃取率高，产品白度值高、色泽好，操作过程安全

Results suggested that Terminalia catappa leaves have no effect on cell viability of SCC-4 cells. The modified Boyden chamber assays revealed that a treatment of Terminalia catappa leaves significantly inhibited the cell motility/invasion capacities of SCC-4 cells.

在本实验中，利用 50%酒精萃取的榄仁树的叶之萃取物处理 SCC-4 细胞株，并利用 MTT assays 分析方法显示榄仁树的叶萃取物并不会影响 SCC-4 细胞的存活率，而当癌细胞转移时常常会伴随著细胞外基质的分解及细胞移动能力的改变，接著我们利用 modified Boyden chamber assay 发现榄仁树的叶萃取物具有抑制 SCC-4 细胞的移动与侵袭能力。

Customer Ticketing: First, a customer fetches a number ticket from the ticketer machine which is been placed in the bank hall, the number ticket has such information as the number of calling out, number of waiting people at present, ticket printing time, etc, the system replaces the customer to queue automatically according to this number.

客户取票：客户首先在放置在银行大厅的取票机上取一张号票，号票上有呼叫号码、当前等待人数、取票时间等信息，系统根据该号码代替客户自动排成队列。

Methods The split thickness skin grafts were harvested from avulsed skin by using dermatone of drum type, and the mesh flaps were back grafted for 92 cases with skin avulsion, and 147 cases were treated with back grafted of full-thickness skin grafts.

应用鼓式取皮机反取中厚皮回植治疗92例，反取全厚皮回植治疗147例，对两组病例的回植成活情况进行对照研究。结果在撕脱面积不大时两组间成功率差异不明显，在撕脱皮肤面积较大时，反取中厚皮回植组成功

With the scope stones were extirpated intraoperatively in 21/26 cases and post-operatively in 55/58 cases.

结果：术中碎石取石26例，一次性取净结石21例；术后经瘘道碎石取石58例，55例取净。

Compared with the control, the percentages of living microorganisms on the biomembrane were 27.6, 14.1 and 0.01, respectively, after extracted by hydroxylamine hydrochloride （0.01mol·L^-1 NH2OH·HCl ＋ 0.01mol·L^-1 HNO3 ）, sodium dithionite （ 0.4mol·L^-1 Na2S2O4, pH 6.0 ）, and acidified ammonium oxalate.

经0.01mol·L^-1 NH2OH·HCl＋0.01mol·L^-1 HNO3、0.4mol·L^-1 Na2S2O4（pH6.0）和0.2mol·L^-1草酸氨（pH4.0）萃取后存活的微生物总量分别下降到原膜的27.6％、14.1％和0.01％；经15％HNO3萃取后，膜上只有极少数的细菌存活；而经H2O2／HNO3萃取后则无细菌存活、原生动物和藻类存活，说明选择性化学萃取剂的使用影响生物膜的活性。

The present invention has stepped motor and sync belt driver to drive the label roll, guide wheel and magnetic steel plate to separate the upper paper layer and the lower paper layer from the label belt, electromagnet driven cutter to cut the adhesive film between two successive labels, electromagnet driven magnetic steel block to transfer the label onto the label inserting board, and elevating and rotating manipulator to insert and stick the label inserting board into book seam.

本发明通过步进电机、同步带传动驱动卷标上下层纸带收卷轮的转动，上层纸带与标签及下层纸带与标签之间的分离通过一导轮和磁钢板实现，连续型卷标相邻两个标签之间的不干胶膜由电磁铁驱动的切刀切断，金属标签通过电磁铁驱动磁钢块撞击取签插板而使标签脱离下层纸带被转贴到取签插板上，取签插板手动插入或取出，或者用升降旋转机械手将末端贴有标签的取签插板插入翻开的图书中间夹缝内，使标签转贴到图书内纸上。

With its range of large equipment and individual machines, such as bucket wheel excavators, spreaders and stackers, scraper reclaimers, bridge-type reclaimers, bucket wheel reclaimers and stacker-reclaimers, shiploaders and ship unloaders as well as crushing plants, hammer mills and ball mills, FAM delivers the vital "hearts" for bulk handling industry in mining industry, power plants, metallurgy, cement, building material, chemicals and fertilizer industry as well as for port handling.

产品范围包括大型机械产品与单一设备产品，如斗轮挖掘机、排土机与堆料机、刮板取料机、桥式取料机、斗轮式取料机和堆取料机、装船机、卸船机和各种破碎成套设备、锤式细碎机及球磨机。FAM公司拥有在矿山、电力、冶金、水泥、建筑材料、化学和化肥行业及港口等行业的散状物料输送系统的领先技术。

Study on the effects of the pressure, temperature and time on the extraction rate of the essence oil from the cinnamon by supercritical CO2 extraction.

研究了超临界CO2萃取肉桂精油时压力、温度、萃取时间等因素对提取效果的影响，通过正交实验确定最佳的萃取工艺条件为：萃取压力15MPa，温度40℃，时间2h，此条件下肉桂精油的产率为3.69%。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。