查询词典 liquid flow

And at low flow-rates liquid will weep through the hole, reducing the plate efficiency.

并且在低流速液体意志通过孔啜泣，减少塔板效率。

Two sets of algebraically explicit analytical solution are derived for the partial differential equation set describing the one-dimensional unsteady gas-liquid two-phase flow.

对气液两相非定常一元流动的主控制方程找出了两套比较完整的可用的代数显式解析解。

A device for separating gaseous pollutants from a gas comprising an apertured plate ( 8 ) which permits the passage from below the apertured plate of the gas containing the a gaseous pollutant and wherein on the upper surface ( 12 ) of the apertured plate a layer ( 14 ) of absorption liquid is made to flow.

用于从气体中分离气态污染物的设备，包括：孔板(8)，该板允许含有气态污染物的气体从其下流过，以及在该板的上表面(12)上携带一层吸收液体的流动层(14)。

After cultivating in liquid medium for 5 days, an extra cellularβ-mannanase from Athelia rolfsii strain CBS191.62 was purified 15.1-fold toelectrophoretic homogeneity by ammonium sulfate precipitation, DEAESepharose Fast Flow chromatography, Hydroxylapatite chromatography andrefrigeration crystal.

产β-甘露聚糖酶的Athelia rolfsii菌株CBS 191.62，发酵培养5d，发酵液离心去菌体，上清经硫酸铵沉淀，琼脂糖凝胶层析、羟基磷灰石层析和冷冻干燥结晶等步骤，β-甘露聚糖酶的比活提高了15.1倍，获得凝胶电泳均一的蛋白样品。

The applications of SKALAR brand interval flow analyser in the analysis of fermentation liquid and content of product biacetyl were introduced.

摘 要：介绍利用SKALAR间隔流动分析仪对发酵液、成品双乙酰含量的分析，并对SKALAR与GB法的分析结果进行比较、分析。

The separation of optical isomers of 2, 2'-dihydroxy-1, 1'-binaphthyl and 2, 2'-diamino-1, 1'-binaphthyl was studied by reversed-phase high performance liquid chromatography on a chiral stationary phase consisting of-hydroxypropyl-β-cyclodextrin (Cyclobond Ⅰ 2000 SP)using methanol/water as the mobile phase. The effects of mobile phase ratio, flow rate and column temperature on separation of optical isomers of DHBN and DABN were investigated.

在S-羟丙基－β-环糊精手性柱(CyclobondⅠ2000 SP)上用反相高效液相色谱法研究了2，2'-二氨基－1，1'-联萘和2，2'-二羟基－1，1'-联萘光学异构体的分离，考察了流动相组成、流速以及柱温等对联二萘胺和联二萘酚光学异构体分离的影响。

A determination method of ursolic acid in Callicarpa macrophylla Vahl leaves by reversed- phase high performance liquid chromtograph was established. The chromatographic column (Symmetry Shield RP18), methanol-water mobile phase(88:12, V/V) with 1.0 ml/min flow rate, the detection wavelength (210nm) and the column temperature (25℃) were adopted.

建立反相高效液相色谱测定其含量的方法，色谱柱为Symmetry Shield RP18柱，流动相为甲醇-水（体积比88∶12），流速1.0 ml/min，检测波长210 nm，柱温25℃。

A determination method of ursolic acid in Callicarpa macrophylla Vahl leaves by reversed- phase high performance liquid chromtograph was established. The chromatographic column (Symmetry Shield RP18), methanol-water mobile phase(88:12, V/V) with 1.0 ml/min flow rate, the detection wavelength (210nm) and the column temperature (25℃) were adopted.

建立反相高效液相色谱测定其含量的方法，色谱柱 Symmetry Shield RP18柱，流动相为甲醇-水（体积比88∶12），流速1.0 ml/min，检测波长210 nm，柱温25℃。

In other types of rotary pumps, the liquid is forced to travel circumferentially, however the screw pump has an axial flow pattern and low internal velocities.

在其他类型的旋转泵，液体被迫旅游圆周，但螺杆泵有轴向流型和低内部速度。

According to analysis of flow field and velocity distribution in the mix tank,the results indicate that:using draft-tube in the mix tank,the axial flowing of liquid can be increased,the circumgyration around the impeller will be improved,and the strong mixed effect can be gained.

通过对有、无导流筒的搅拌槽内流场和速度的对比分析表明：导流筒强化了搅拌槽内上下液体的整体轴向流动，在近浆区域改善了液体的跟转，有强烈的混合效果，并且，在较为理想的流场分布下，有导流筒的搅拌槽功率消耗比无导流筒搅拌槽节省12%，其结果将为搅拌槽的整体结构优化提供有效途径。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐