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Through screening lipases, lipase Novozym 435 and lipase Alcaligenes sp were found to show higher activity and better enantioselectivity for the resolution of 2-(2-chloro- 1-hydroxyethyl)thiophene. The optimal reaction conditions were finally achieved by further investigating the effects of solvents, temperature, rotation speed and enzyme concentrations.

通过对不同来源酶的筛选,找到了Novozym 435和Alcaligenes sp两种选择性较好的酶,它们均对该反应具有较高的选择性和较快的反应速度,在此基础上进一步通过对溶剂、温度、摇床转速以及酶用量的筛选,确定了能够有效拆分2-氯-1-(2-噻吩)-乙醇的较佳反应条件。

Primary ampliative fermentation was carried out in 10L fermenter containing 5L fermentation medium; the agitation speed kept at 200rpm and the aeration rate being 5L/min; the pH kept at 5.0 while the temperature being 28℃.

在10L罐发酵中进行了初步放大发酵研究,确定了比较合适的发酵条件为:装液量为5.0L,温度28℃,通气量为5L/min,发酵过程中控制pH5.0,转速为200rpm。

When axial diameter is 70mm its rotate speed can be amounted to 18, 000rpm, speed is 1.3 times original, lubricate at using oil gas before applicably the high speed domain of type bearing.

在轴径为70mm时其转速可达18,000rpm,速度是原来的1.3倍,可适用于以往使用油气润滑式轴承的高速领域。

When felting machine's reciprocated journey was 170→180mm, reciprocated frequency was 126→158 times min1, the speed of pilot driven shaft was 80→100 rmin^(-1), the space between pilot socket plate was 95mm, it had much better forming result for the length of 100-200mm bacilliform wood stick, the average rate of oriented forming was over 70%.

铺装头往复行程170~180mm,往复频率126~158次min^(-1),导向驱动轴转速80~100rmin^(-1),导向槽板间距95 mm时,对长度100~200mm木束定向铺装效果较好,平均定向铺装率达70%以上。

240V and 50Hz Luer lock-type reusable needles, metal hub,18 gauge, 40mm, box of 100 Luer lock-type reusable needles, metal hub, 16 gauge, 25mm, box of 100 Luer lock-type reusable needles, metal hub, 14 gauge, 25mm, box of 100 Luer lock-type reusable needles, metal hub, 20 gauge, 30mm, box of 100 Intravenous catheters, 16 gauge, 50mm (2"0) 3 litre intravenous fluid administration bags, with attached tube Simplex IV Bell or equal, high quality latex, 10cm (4") Tubing Kelley Forceps 14 cm, curved Capacity 1 litre, max 1,000 rpm Mayo Dissecting Scissors 14 cm, curved, standard bevelled blades or equal Metal pre-set multi-dose syringe to deliver 0.1ml, with accessories and spares Batch operation for food/meat Portable, for internal determination of foreign bodies in livestock, and magnetic retractor Multi-dose Syringe, 30 ml capacity, adjustable dose of 1-30 ml Henke Vetmatic metal multi-dose syringes, capacity 10 ml with tube feed Nasogastric tubes, 13mm (1/2) outside diameter abd 2.5m (8 feet) long 'Record' type intr-dermal needles as recommended for mclintock syringe or similar Oral dosing syringe for deworming connect various sizes of supply bottles, adjustable dose of 1 to 50 ml Parasite control sprayer back-pack, minimum capacity 10 litre, hand pump for pressure delivery without taking off back.

- 240V的和50 Luer锁型可重复使用的针头,金属枢纽, 18针, 40毫米, 100盒 Luer锁型可重复使用的针头,金属枢纽, 16个指标, 25毫米, 100盒 Luer锁型可重复使用的针头,金属枢纽, 14个指标, 25毫米, 100盒 Luer锁型可重复使用的针头,金属枢纽, 20个指标, 30毫米, 100盒静脉导管, 16个指标,使用50mm ( 2 & 0 ) 3升静脉输液袋,附有管单纯四贝尔或等于高品质乳胶, 10厘米( 4 &)油管凯利钳十四厘米,弯曲容量1公升,最大转速1000 梅奥解剖剪刀14厘米,弯曲,标准斜切刀片或等于金属预先设定多剂量注射器提供0.1毫升,与配件和备件批量操作的食物/肉便携式,内部确定异物牲畜和磁缩多剂量注射器, 30毫升的能力,可调节剂量的1月30日毫升亨克Vetmatic金属多剂量注射器,容量10毫升管饲料鼻饲管, 13毫米( 1 / 2 )外径阿卜德250 ( 8英尺)长'记录'类型中断真皮针头作为建议麦克林托克注射器或类似口服注射器的驱虫连接各种尺寸的供应瓶,可调剂量为1至50毫升寄生虫控制喷雾器回包,最小容量10升,手泵的压力下交付起飞返回。

Suzhou cmb machinery co.,ltd is a joint-venture between cmi group and birn in denmark.we are one of the leading manufacturer of automobile parts, compressor parts, various kinds of machinery parts, and a kind of patented vtp pulley ranging from spz, spa, spb to spc, from 170mm to 1250mm diameter.vtp pulley is weight reduction, ventilated and high-speed running be up to 100m/sec.vtp pulley increases the life of the v-belts due to the ventilated grooves and make it possible to use the v-belt transmissions at higher ambient temperatures.

本公司是台湾及丹麦合资企业,是集铸造与加工为一体的大型生产厂商。主要产品有汽车零部件、压缩机配件、各种机械零部件,以及新推出的一种高科技新型产品获国际专利的vtp 皮带轮,它是一种高转速轻型皮带轮,其规格型号有:spz、spa、spb、spc等,范围(170-1250mm)该种皮带轮的优点是:它重量轻,高透气性,有效减低皮带工作温度,增加皮带使用寿命,适合高温高速下传输;减低生产成本,提升皮带轮的效率与品质。

Eight strict quality testing procedures: noise, vibration, dynamic balance, rest balance, rotary concentric performance wind blader speeding, assembly efficiency measurement.

八道严格的质量检测程序:噪音检测,震动检测,动平衡,静平衡,转动同心性能检测,风叶转速检测,整机效率检测。

According to the deformation coordination of baffle and turbine,the relational equation of rotational speed,fore-and-after pressure difference of boltless baffles and available pressure was con.

利用最小二乘法拟合出上述变化规律的方程,通过涡轮与无螺栓挡板之间的变形协调关系,归纳出转速、无螺栓后挡板前后气体压力差和无螺栓挡板能提供的压力这三者关系方程

Besides, the author synthetically analysizes its fuel-economy and exhaust emission characteristic, including three areas(low, medium and high speed conditions), and makes a conclusion that the diesel engine has superiority to be matched with the camion and mobile machinery shop.

另外,还对该型柴油机的燃油经济性与排放特性进行综合分析,全面分析了该柴油机常用功率范围内的三个工况区域(低速工况、中间转速工况、高速工况)的经济性与排放性能,得出该柴油机与载重及工程用车配套具有优越性的结论。

IVIVC studies suggested that in vitro drug release percentage is significantly related with in vivo drug absorption per- centage at 6, 7 and 8h sampling points (P.05) when water was used as the dissolution medium and paddle method was adopted at 100rpm.

体内外相关性结果表明,在以水为介质,采用浆法,转速为100rpm的释放条件下,在6、7和8h等取样点处体外药物释放百分率与体内药物吸收百分率间具有显著相关性(P.05)。

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