In this case, the first column of any index, simple or compound, is a candidate to satisfy the star join.
在这种情况下，任何索引的第一行，不管简单或复杂，都是满足星型联接的一个候选者。
Method: Compound were isolated by solvent-extraction together with column chromatography and the structure were determined by spectroscopic analysis.
方法：采用溶剂提取和柱层析色谱分离，根据化合物理化性质和光谱数据鉴定其结构。
More than half of calcium remained in the column with strong polar compound, and was difficult to wash off.
在分离过程中，一半以上的钙随强极性化合物一起被吸附在色谱柱上，很难洗脱。
The migration of the compounds and contaminants through the column need to differ enough so that the pure desired compound can be collected or extracted without incurring any other undesired compound.
化合物和污染物通过柱子的流动速度需要有足够的差异，以便可以收集到纯的所需化合物而不存在任何其他无需要的化合物。
Bio-transforming the canrenone with the enzyme system of Aspergillus ochraceus SIPI-4411; By solvent extraction and silica gel column chromatography, the compound SIPI-CANR was obtained.
应用赭曲霉SIPI-4411的羟化酶系统对化合物坎利酮进行生物转化，通过溶剂萃取、硅胶柱层析，获得转化产物SIPI-CANR化合物的纯品。
OBJECTIVE: To establish the method for simultaneous determination of camphor and menthol in compound diphenhydramine liniment. METHODS: the DB-WAX capillary column was used.
目的建立以气相色谱法同时测定复方盐酸苯海拉明搽剂中樟脑和薄荷脑含量的方法。
In 2010 the company produced a new type of integrated installations, models for CKXD52130-6-300 CNC double column vertical car milling compound machining center.
公司于2010年研制生产出了新型一体多用机，型号为CKXD52130-6 - 300数控双柱立式车铣复合加工中心。
The column of reactive distillation was improved from compound tower to sieve tray tower which is famous for its lower cost of equipment and simpler operation and cleaning.
反应精馏塔由原来的复合型塔改为单纯筛板塔，操作清洗简单、设备费用低。
Comparing the characteristics of tray column with packed column, and combining the structured packing with dual flow plate, a new type compound tray was developed.
对比板式塔和填料塔的特点，将规整填料与穿流板有机组合，开发出新型的复合塔板。
The trays in the distillation column were designed with new multi overflow compound slant hole trays commonly used in the recent years.
在此基础上对原有工艺和新工艺精馏塔板进行设计，塔板选用近年来广泛应用的新型多溢流复合斜孔塔板。
This paper presents research on loading behavior of welded compound-ring-hoop concrete column and honeycombed steel beam composite joints.
为研究复合焊接环式箍筋混凝土柱-蜂窝钢梁组合节点的受力性能。
Naproxin was treated by thionyl chloride, then conjugated to Phaeophorbide under protection of N2. The compound was purified by silica gel column.
用二氯亚砜将萘普生酰氯化，在氮气保护下与脱镁叶绿酸交联，以硅胶柱层析分离产物。
The comparison of vertebral column and appendicular skeleton for bagrid catfishes from Jialing River reveals that in the family Bagridae the compound vertebra is formed by the anterior 6 vertebrae.
对嘉陵江科鱼类脊柱及附肢骨骼的比较表明，复台椎骨由前6权脊椎骨愈合而成。
Methods a new compound was isolated by the silica gel and Sephadex LH-20 column chromatograph, and identified by the physicochemical characters and spectroscopic analysis.
方法采用硅胶柱色谱、凝胶柱色谱进行分离，通过理化性质和波谱分析方法鉴定化合物结构。
Methods a new compound was isolated by the silica gel and Sephadex LH-20 column chromatograph, and identified by the physicochemical characters and spectroscopic analysis.
方法采用硅胶柱色谱、凝胶柱色谱进行分离，通过理化性质和波谱分析方法鉴定化合物结构。
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