查询词典 water column
- 与 water column 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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。
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Air permeability of field soil was obtained k1=4.8446×10^(-12)m^2 by soil column method. Meanwhile, relative permeability curve of air-water was gained by biphase flowing experiment. During experiment period, average of soil water content was 0.2689g and pH value was 7.0-8.5. The quantity of aboriginal animalcule went down sharply after pouring contamination into the ground and then rose gradually to its original level which was 10^7 (unit g1dry soil).
采用土柱法测得现场土壤的空气有效渗透率为k1=4.8446×10^(-12)平方公尺,通过气液两相流动试验得到气-液相对渗透率曲线;试验期间土壤平均含水量为0.2689g,pH值在7.0-8.5之间;微生物含量在注入污染物及营养盐后先下降后回升,驯化后期细菌密度达10^7(个g^(-1)干土)数量级。
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Stainless steel 35-42 °Be FeCl 3 35-55 Mild steel 35-42 °Be FeCl 3 35-55 Beryllium copper 30-42 °Be FeCl 3 or 40-55 ammoniacal copper or 33 °Be acidic CuCl 2 Copper and copper 30-42 °Be FeCl 3 or 40-55 alloys ammoniacal copper or 33 °Be acidic CuCl 2 Inconel and other 38-42 °Be FeCl 3 or 45-55 high nickel alloys conc nitric/conc hydrochloric acid/water 1:1:3 Aluminium 20% NaOH 60-90 or conc hydrochloric 20-65 acid/water 1:4 55 or alkaline potassium ferricyanide Brass 30-42 °Be FeCl 3 or 40-55 ammoniacal copper or 33 °Be acidic CuCl 2 Molybdenum Alkaline potassium 55 ferricyanide 40-55 or 40 °Be Fe(NO 3 ) 3 Titanium 10-50% HF 30-50 (optionally with HNO 3 )*The concentration of etchant (column 2) is measured in Degrees Baume where:°Be = 145 (SG - 1/SG); and SG is the specific gravity of the solution.
表美- 00002表2金属共同腐蚀剂*温度° C的不锈钢35-42 °成为氯化铁三 35-55低碳钢35-42 °成为氯化铁三 35-55铍铜30-42 °成为氯化铁3或40-55氨铜或33 °是酸性CuCl的2铜及铜30-42 °成为氯化铁三或40-55合金氨铜或33 °是酸性CuCl的2镍铬铁合金和其他38-42 °成为三氯化铁3或45-55高镍合金浓硝酸/浓盐酸/水1时01分03秒铝20%的NaOH浓盐酸60-90或20-65酸/水1:4 55或氰化钾铜30-42 °碱性钾成为三氯化铁3或40-55氨铜或33 °是酸性CuCl的二钾55钼碱性铁氰化钾40-55或40 °成为铁Fe(NO 3)3钛10-50%的HF 30-50*的浓度对侵蚀剂(栏2)测量波美度其中:°成为= 145(法兴- 1/SG);和SG是比重。
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Attention to high titer cold agglutinin in infants with blood grouping and cross-matching the impact of high titer cold agglutinin with blood of the same type of sub-Suozhi mostly weak agglutination, agglutination disappeared after by the water bath to prove consistency of cross-matching of blood, it should be added do direct antiglobulin test or polybrene with micro-column method with blood or blood serum can be excluded may contain other irregular antibodies; subtypes with the same type of blood (including the weak antigens and antibodies with a weak blood) when irregularities for weak agglutination, but the 37℃ water bath does not disappear after the condensation to prove that cross-matching of blood mismatched for the blood transfusion taboo.
重视高效价冷凝集素对婴幼儿血型鉴定和交叉配血的影响,高效价冷凝集素所至同型配血不合多为弱凝集,经水浴后凝集消失,证明交叉配血相合,但应加做直接抗人球蛋白试验或凝聚胺配血或微柱法配血,可以排除血清中可能含有其他不规则抗体;亚型同型配血(包括弱抗原与弱抗体配血)不合时也为弱凝集,但37℃水浴后凝集不消失,证明交叉配血不相合,为输血禁忌。
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To research the water retention performance of lowland heightening farmland protection project in Tingzikou Water Control Pivot, large-scale soil column experiments and one-dimensional saturated-unsaturated flow simulations have been performed.
针对亭子口水利枢纽农田防护工程低地垫高方案的保水性能,在室内大型土柱试验的基础上,建立基于Richards方程的一维饱和-非饱和水流运动数学模型,模拟分析不同防护方案条件下土壤水分的运动过程和保水性能。
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The whole analysis was completed on a C〓 column in 18min at a flow rate of 0.5 ml/min, with the mobile phase of methanol-water (93: 7, v: v) containing 75 mmol/L TEOLA and 200 mmol/L HAc, or with the mobile phase of ethanol-water (90: 10, v: v) containing 25 mmol/L TEOLA and 200mmol/L HAc pumped at 0.25ml/min. Compared with the methanol system, the ethanol system was a better candidate for the separation of thulium porphyrin complexes in view of selectivity.
在C〓分析柱(5μm,2.5×150mm)上,流动相为:甲醇:水=93:7(v/v内含75mmol/L三乙醇胺和200mmol/LHAc),流速为0.5ml/min和流动相为:乙醇:水=90:10(v/v,内含25mmol/L三乙醇胺和200mmol/L HAc),流速为0.25ml/min,均能使六个铥卟啉配合物在18min内得到有效的分离,相比之下,乙醇体系对铥卟啉配合物更具有分离选择性。
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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。
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The trace organics in soaking water from water tanks, which were made or coated with 7 va rious kinds of materials respectively, were preconcentrated using XAD resins and analyzed by capillary column GC/MS.
采用高分子大网状吸附树脂富集技术和GC/MS方法,对国内七种材料的水箱浸出有机物进行了分析,共计检出有机物百余种。
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In general, whenair--saturated water has been passed through the deoxygenating resin column, the oxygen content of effluent water is found to be 5--40 ppb.
本文介绍了一种新型的除氧树脂——Y-12-06型氧化还原树脂。
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In general, whenair--saturated water has been passed through the deoxygenating resin column, the oxygen content of effluent water is found to be 5--40 ppb.
在除氧树脂柱后串联一个普通混合离子交换树脂柱,可制备无氧高纯水,出水电阻率一般为5—10 MΩ-cm,最高可达18 MΩ-cm。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。