查询词典 flying column

The determination of quercitin was performed on Century SIL C18 BDS (250 mm×4.6 mm, 5μm) column, using methanol-water-phosphoric acid (V:V:V=60.00:40.00:0.02) as mobile phase at a flow rate of 0.8mLmin^(-1) and UV detection at 360 nm. The determination of gallic acid was performed on Century SIL C18 BDS (250 mm×4.6 mm, 5μm) column, using acetonitrile-water-phosphoric acid (V:V:V=5.00:95.00:0.02) as mobile phase at a flow rate of 0.8mLmin^(-1) and UV detection at 272 nm.

槲皮素的测定条件为：Century SIL C18， BDS(250.0mm×4.6mm， 5μm)色谱柱，流动相为甲醇－水－磷酸（体积比为60.00：40.00：0.02），流速为0.8mLmin^(-1)，检测波长为360nm；没食子酸的测定条件为：Century SIL C18 BDS (250.0mm×4.6mm， 5μm)色谱柱，流动相为乙腈－水－磷酸（体积比为5.00：95.00：0.02），流速为0.80mLmin^(-1)，检测波长为272nm。

Energy savings can be achieved in this distillation system by running one of the columns at a higher pressure and integrating the condenser of the high-pressure column with the reboiler of the low-pressure column.

它的基本原理是由一个高压塔和一个低压塔来构成一个精馏系统，高压塔的塔顶蒸汽作为低压塔的塔釜供热，以节省能耗。

Remember, when crossover, the minimum number in the rightmost columns after the crossover column follows the crossover column.

记住，当交叉，在最右边的列列交叉后的最低数字如下交叉列。

Methods:(1) Silica column chromatography and LH-20 were used in phytochemistry study.(2) Based on the extraction ratio of arctiin, the best extraction procedure was acheived under the direction of L9(34) orthogonal experimental design. From 10 types of resins, the one with the maximal binding ability for Arctii was selected and silica-column choramatograpy was used in its seperation and purification procedure.(3) The animal diabetic experimental model in Wistar rats was established with streptozotocin and many biochemical factors were used to indicate the pharmacological effects of arctiin, including glycosylated hemoglobin, serum creatinine, seralbumin, monoxide nitrogen, glycerin trilaurate, cholesterol, HDL-ch, LDL-ch, Blood urea nitrogen, creatinine, SOD, ET, MDA, total Urine protein and albuminuria.

(1)采用硅胶柱层析、聚酰胺层析、LH-20等方法对牛蒡子的化学成分进行研究；(2)采用正交实验设计方法，以牛蒡子苷为指标，确定了牛蒡子乙醇回流提取的最佳工艺；对10种类型大孔吸附树脂进行筛选，筛选出对牛蒡子苷吸附效果最佳的树脂；采用硅胶柱层析法，对牛蒡子苷进一步分离纯化；(3)建立实验性糖尿病大鼠模型，以GLU、TC、TG、HDL-ch、LDL-ch、TB、ALB、BUN、CREA、GHbAlc、NO、SOD、ET、MDA和尿液中TB、ALB为指标，研究牛蒡子苷药理活性；(4)以差速消化法纯化Wistar大鼠的主动脉内皮细胞并进行传代培养，测定牛蒡子苷对高糖条件下RAECs活性、RAECs释放LDH、MDA和NO的变化以及RAECs表达内皮型一氧化氮合酶表达的影响。

The beam end displacement of beam-column subassemblage may be looked as the superposition of three parts deformation that column deformation, beam deformation, and joint deformation.

组合体梁外端挠度可看作是柱段变形引起的梁外端挠度、梁段变形引起的梁外端挠度以及节点区变形引起的梁外端挠度三部分的叠加。

With a list like Hotmail you have checkbox in column header, and checkboxes in each subitem in that column.

与像Hotmail的清单中你有在列标题复选框，并在该列中的每个子项的复选框。

Water samples were extracted and purified and collected by solid-phase extraction LC-18 column. Soil samples were extracted by ethyl acetate/petroleum ether (2:1, by vol) and purified by sulphonation. Wheat sample was extracted by acetonitrile/water (4:1, by vol) and purified and collected by SPE- Florisil column.

水样直接用LC-18固相萃取小柱分离、净化和富集；采用乙酸乙酯／石油醚（体积比2：1）振荡提取，磺化法净化，测定土壤中氯氟吡氧乙酸残留量；以乙腈／水（体积比4：1）为提取剂，氟罗里硅土固相萃取小柱分离、净化，测定小麦样品中氯氟吡氧乙酸的残留量。

Methods Pb and Cd in the samples were enriched in the sulphydryl cotton column under the conditions that the pH of the samples was adjusted to 7 and collected by washing the column with 4 ml of 0.2 mol/L HCl solution.

调节水样pH=7，使水样中痕量铅、镉同时富集在巯基棉柱上，再以4ml 0.2mol/L HCl溶液通过巯基棉柱进行洗脱、收集，以火焰原子吸收光谱法进行测定。

The timepiece with a fan-shaped hand-motion display mechanism according to the invention includes a column wheel having a cam outer circumference, a swingable hammer in contact with the cam outer circumference of the column wheel, and a small day indicator that rotates in response to the swing movement of the hammer.

根据本发明的具有扇形指针运动显示机构的时计包括，具有凸轮外周的圆柱轮，与该圆柱轮的凸轮外周相接触的可摆动锤，和响应该锤的摆动而旋转的小星期指示器。

Joint behavior of beam and column is the key of entire structure.This paper uses finite elemnt analyzing software ANSYS to analyze the bearing mechanics of joint under monotonic load and periodic load,and gets load-displacement curves,viscosity curves and frame curves.The paper mainly analyzes how axis-push ratio,gradation of concrete,plate layout and steel type to affect tensibility performance and viscosity feature of joint.The results indicate that concrete-filled squar tube column has good tensibility performance and dissipative ability.

梁柱节点的性能是影响结构整体性能的关键，而目前对方钢管混凝土柱—钢梁节点抗震性能的研究工作尚不完善，本文通过有限元软件ANSYS来分析方钢管混凝土柱—钢梁节点，研究节点区在单调荷载和低周反复荷载作用下的受力机理，得节点区的荷载位移曲线、滞回曲线及骨架线；着重分析方钢管混凝土柱的轴压比、混凝土等级，隔板形式和钢材型号在低周反复荷载作用下对节点延性和耗能等抗震性能指标的影响。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。