1. Methods: The sample that pass through handled to be abstracted twice by acetonitrile, evaporate the organic phase to dryness following defecated through the Na2SO4, cleaned-up by norm alhexalle, then analysed by HPLC (C18 column) with a gradient system of methanol-water as a mobile phase.
经处理过的样品用乙腈提取两次，将乙腈过无水硫酸钠层后挥千乙腈，正己烷洗涤净化，经过净化后进行高效液相色谱仪测定（C18柱），本方法以甲醇、水为流动相梯度洗脱，柱温35℃，在波长275 nm处测定。
2. Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.
云南红豆杉中抗癌活性物制备工艺研究方法：利用正交设计试验L9(3~4)确定原料药提取工艺为：10倍量90％乙醇提取两次，第一次40分钟，第二次30分钟；醇提液用10倍量水沉；沉淀加6倍量石油醚40℃脱脂；用1mol／L的NaOH溶液碱洗，除去酸性杂质；以碱性氧化铝柱，以环己烷／丙酮为洗脱溶剂，在环己烷-丙酮(6：4)段富集到所需活性部位，洗脱剂用量为3VB。
3. The axial dispersion model of the reactor was developed and the non-idea behavior of the slurry phase was taken into account. The comparison between the computational values and the real ones presents a good agreement. The results showed that the temperature was lower at the bottom of the column and higher at the top. It caused by the rigid evaporation of the acetic acid and water near the bottom where the
结果表明，干空气在塔底进入后，溶剂醋酸和水急剧蒸发，导致反应器底部温度比顶部低，除了PX浓度在加料位置处有个峰值外，液相中其他组分的分布相当均匀，气相中的氧浓度沿塔高呈递减的分布，气相中其他组分在鼓泡塔的大部分区域都比较均匀。
4. Different pressure and water content in the fluid were investigated to see their effects on extraction results; Second, the optimum operating conditions were experimentally determined in the analytical and preparative recycle chromatography for the extraction and preparation of acanthoside-D from Acanthopanax Senticosus. Apart from the above study, high-performance frontal analysis was used for protein binding study of perillyl alcohol enantiomers to human serum albumin, a RP-HPLC method was developed for the separation and purification of recombinant human interleukin-18(IL-18) on C8 column, and a CE method for the separation and determination of the active anthraquinone components, physcion, chrysophanol, aloe-emodin, emodin, and rhein in Chinese herb Polygnum multiflorum Thunb. were developed.
考察了不同的萃取压力、流体中水含量对萃取效果的影响；建立了分析和循环制备色谱从西伯利亚高丽参中制备五加甙-D的优化方法；利用高效前流分析法测定了紫苏子醇与人血清白蛋白的结合常数；采用C8反相液相色谱法分离和纯化人重组白细胞介素-18，考察了不同因素对IL-18色谱特性的影响，纯化的IL-18回收率为87％；利用毛细管电泳法，分离和测定了中药首乌中的蒽醌类有效成分-大黄素甲醚，大黄酚、芦荟大黄素、大黄素、大黄酸，并考察了缓冲溶液pH以及有机改性剂对分离的影响。
5. Different pressure and water content in the fluid were investigated to see their effects on extraction results; Second, the optimum operating conditions were experimentally determined in the analytical and preparative recycle chromatography for the extraction and preparation ofacanthoside-D from Acanthopanax Senticosus. Apart from the above study, high-performance frontal analysis was used for protein binding study of perillyl alcohol enantiomers to human serum albumin, a RP-HPLC method was developed for the separation and purification of recombinant human interleukin-18(IL-18) on C8 column, and a CE method for the separation and determination of the active anthraquinone components, physcion, chrysophanol, aloe-emodin, emodin, and rhein in Chinese herb Polygnum multiflorum Thunb. were developed.
考察了不同的萃取压力、流体中水含量对萃取效果的影响；建立了分析和循环制备色谱从西伯利亚高丽参中制备五加甙-D的优化方法；利用高效前流分析法测定了紫苏子醇与人血清白蛋白的结合常数；采用C8反相液相色谱法分离和纯化人重组白细胞介素-18，考察了不同因素对IL-18色谱特性的影响，纯化的IL-18回收率为87％；利用毛细管电泳法，分离和测定了中药首乌中的蒽醌类有效成分—大黄素甲醚，大黄酚、芦荟大黄素、大黄素、大黄酸，并考察了缓冲溶液pH以及有机改性剂对分离的影响。
6. Then not only a series of curve equation to the virtual image link are obtained when the observer changes the position of observation to see along X Line from the direction of point O, but also the area of the image in the water are obtained when the observer observes from different divections near the above of. the column container.
得到了观察者自坐标原点o出发沿x轴正向改变观察方位观察时所看到虚像连成的曲线方程和观察者在圆柱体形装水容器上空附近不同方位观察时水中物点A成像的区域，并且利用计算机描绘出了其曲线与成像的区域。
7. danci.edu.pub
7. The mass transfer process in the reciprocating sieve plate extraction column was studied. Based on the single droplet mass transfer model, the scale-up model of RPEC was established with mathematical statistics. In this model, flux, tray spacing, amplitude and frequency should be kept invariable when H (apparent height of a transfer unit) was calculated. In a RPEC of diameter 100 mm, the experiment was carried out with lincomycin-n-butanol-acid water.
对往复振动筛板萃取塔塔内的传质过程进行了理论分析，并在此基础上，从单液滴传质模型出发，应用数学统计方法建立了RPEC放大设计模型，即进行放大设计时应遵循通量、塔板间距、振幅和频率不变的原则计算表观传质单元高度H。
8. Different chromatographic parameters including elution profiles, column temperature were investigated in order to optimize separation conditions of different fatty acid phenacyl ester derivatives. A gradient elution using methanol/acetonitrile (90:10, V/V)-water as mobile phase at 0.35 mL/min, detection wavelength at 246 nm, and column temperature of 35℃ were chosen.
经优化确定以(90：10)-水为流动相梯度洗脱，在检测波长246 nm，柱温35℃，流速0.35 mL/min的色谱条件下，18 min内能完成对13种脂肪酸衍生物的分离检测。
9. The concentrations of CODcr and NH4+ vary from low to high, then from high to low in the process of refuse leaching, that is to say that there are three phases which are aerobian decomposition, facultative aerobian and anaerobian decomposition; (3)The time of landfill reaching to stabilize under the condition of filtration, for landfill of Jinqianpu, is at least 86 years if CODcr is regarded as a index; but is about 98 years when NH4+ as an index; (4)The column leaching experiment simulated is carried on interactivity between leachate and different lithologic characters, water-bearing media of different thickness. Some parameters can be determined by calculation, such as, the retained factor and hydro-chemical transportation rate of pollutants in suspended media, which quantitatively analyse the suspended soil capability of components purification and the pollution scope of water bearing media.
垃圾淋滤过程中和经历了一个由低到高、再由高到低的过程，即垃圾填埋过程中经历了好氧分解、兼性好氧分解及完全厌氧分解等三个阶段；（3）垃圾组分在淋滤条件下分解达到稳定的时间，对于金钱堡垃圾填埋场，若以作为考核指标，填埋场达到稳定化时间至少需要86年；若以作为考核指标，则填埋场达到稳定化至少需98年的时间；（4）对垃圾浸泡液与不同岩性、不同厚度含水层介质之间的作用进行了土柱淋滤模拟试验，通过计算污染质在包气带介质中运移的阻滞因子和水化学迁移率等参数，定量地描述了包气带土层对污染质的净化能力和污染范围。
10. The watermelons, the citrullus lamtus or the stems and leaves thereof are taken as raw materials, and the extracting process comprises the following steps: firstly, the raw materials are washed clean and broken to separate the watermelon peel from the watermelon pulp for respectively extracting juice; the two juices are mixed, and micro-filtration and ultra-filtration are carried out to remove insoluble substances and macromolecular substances; and then reverse osmosis and nano-filtration are carried out to obtain the filtrate; the pH value of the filtrate is regulated and then a macroporous strong acid cation exchange resin column is added; and then ammonia water is taken as an eluant for isocratic elution; the eluent obtained is decompressed, distilled, deaminized, discolored, condensed and crystallized to obtain a white crystalline product of the natural L-citrulline extracted from the watermelons.
本发明方法以西瓜、打瓜或者其茎叶为原料，其过程为：首先将原料清洗干净，破碎后将西瓜皮西瓜瓤分开，分别进行榨汁；所得汁液合并，经过微滤和超滤除去不容物和大分子物质；然后再经反渗透和纳滤过滤；透过液调节pH值后通入大孔型强酸性阳离子交换树脂柱；然后以氨水做洗脱剂进行等度洗脱；将洗脱液减压蒸馏脱氨，脱色，浓缩结晶，得到西瓜提取天然L-瓜氨酸白色结晶产品。
11. --- A system for condensing water from air includes a column having a substantially non-reflective surface effective for absorbing heat energy from the sun and transferring the heat to air in the interior of the column.
摘要---制度，冷凝水从空气中包括一栏，有一个大大的非反射表面有效吸收热能是由太阳和转让的热空气在内部栏。
12. danci.edu.pub
12. A scheme for compactification of ammonia water absorption refrigerators, especially for the reduction of the height of the generating rectification column is proposed, which includes using spiral sheet heat exchangers as the generator and the partial condenser of the refrigerator instead of the tube shell ones.
提出了一种氨水吸收式制冷机紧凑化的方案，特别是采用螺旋板式换热器作为发生器和分凝器以降低发生精馏器高度的新设计，给出了采用上述改进方案所研制的乙醇蒸馏装置的实验结果。
13. Diamonsil RP-C18 Colmnn (250 mm×4.6 mm, 5μm) is used and a mixture of methanol-water (65:35) as the mobile phase, flow rate was 0.8 mL/min, column temperature was room temperature, UV detected at 254nm.
本文采用C18柱(250×4.6mm，5μm)对酚醛胶人造板中的游离苯酚进行了HPLC检测，比较了不同流动相配比和不同流速条件下的苯酚的出峰情况。
14. Four isomers of red pigments were separated by HPLC on a RP-C18 column with methanol-water (99.5∶0.5, v/v) as mobile phase.
以甲醇-水(体积比为99.5∶0.5)为流动相，用C18柱从红心蛋的红色素中分离出4个峰。
15. a column of water的近义词
15. A new method was advanced to experimentally measure and theoretically compute the soil infiltrability based on the water/mass balance and the assumption of Green-Ampt distribution of soil moisture content in the infiltrating horizontal soil column.
研究提出了一种新的方法，根据水量/物质平衡原理和水平土柱中土壤剖面含水率分布所遵循的Green-Ampt模型中的活塞假定，测量和计算土壤入渗性能。
16. Comparisons of the cumulative infiltrated water amount as computed with the estimated infiltrability with the total supplied water and that estimated from the actual changes in the moisture contents of the soil column indicate that the relative estimation errors are 11.5% and 15.89% respectively, and the relative error between the actual supplied water volume and water derived from the actual water contents measured in the experiment is only 1.02%, which demonstrates a relatively high accuracy of the method and also the possibility to improve the accuracy of this method.
利用测量得到的土壤入渗性能回归计算得到的入渗水量分别与实际供水量和由土壤含水率的实际分布计算得到的入渗水量进行对比，得到相对误差分别为11.5%、15.89%，而实际供水量与由土壤含水率实际分布计算得到的水量之间的相对误差只有1.02%，说明了该方法的测量精度以及方法精度有进一步提高的可能性。
17. a column of water是什么意思
17. The gravity of this water column continuously produces the vacuum and so a vacuum pump is not needed.
水柱的重力不断地引起真空，所以真空管是不需要的。
18. The invention relates to a grouting nib device for concrete crack of underwater column, comprising foaming rubber, vertical child-mother button, cloth bag, water bag, locating perforation belt, transverse elastic rubber fastening belt and grouting channel component.
本发明涉及一种水下柱体混凝土裂缝注浆嘴装置，由发泡橡胶、竖向子母扣、布袋、水囊、定位穿孔带、横向弹性橡胶紧固带及注浆通道组合件组成。
19. a column of water
19. The training program increased the salute, Libi, buckle column, dissolution and other content, the intensity of training are also some increase, seven to have a student doing squat movement, the face looks green, import spit white flavor, quickly sent to clinic treatment, so that training when the dissolution of movement has taken a break of 10 minutes way, everyone could not wait to go to water, to add physical fitness, in order to better training.
训练的内容增加了敬礼、礼毕、扣列、解散等内容，训练的强度也有些加大，七班有一个同学在进行蹲下的动作时，脸色发青，囗吐白味，很快被送去医务室处理，因此训练解散动作时，采取了中间休息10分钟的办法，大家都迫不及待地去喝水，补充体能，以便更好训练。
20. A quantitative method of alkaloidal monomers is established by HPLC/MS. The The sepatation was performed on a XTerraTM ODS column(5μm, 4.6mm id×150mm) with acetonitrile -water-acetic ammonium as mobile phase at the flow –rate of 1mL/min.
建立了苦豆子中主要的生物碱单体含量的测定方法：HPLC-MS法，色谱柱选用XTerraTMODS Column(5μm，4.6mmid×150mm)；流动相为乙腈-水-乙酸铵，采用梯度洗脱，流速为1mL/min，柱温30℃；质谱作为检测器，选择离子采集方式。
1. The tongue is then pulled upward at high speed, drawing a column of water behind it.