1) continuous coring
连续取心
1.
Subsequently, the hollow-through type DTH hammer drilling technique and continuous coring te chnology with reverse circulation are adopted to experiment in this mine.
新疆白干湖钨锡矿区自然环境恶劣,地质条件复杂,普通小口径金刚石岩心钻探方法效率低、成本高、施工周期长,后采用贯通式潜孔锤反循环连续取心(样)钻进技术在本矿区进行生产试验。
2) reverse circulation coring
反循环连续取心(样)
3) sequential extraction
连续提取
1.
The rice roots were separated into nodal roots and lateral roots,which were extracted individually using a three-step sequential extraction procedure to measure the sorbed,strongly sorbed and interior adsorbed fractions.
将水稻根分为节根和侧根2部分,并采用连续提取方法将根系中的多环芳烃分为3种形态:根表弱吸着态、根表强吸着态和根内吸收态。
2.
005(mol·L~(-1)) DTPA) were evaluated by using a short three-step sequential extraction procedure.
L-1DTPA作为提取剂,用简化的3步连续提取法对贵州省赫章县土法炼锌污染土壤中Zn、Cd的形态进行了分析。
3.
The fractionations of Cu,Cr,Ni,Pb and Mn in soil collected from contaminated paddy soils and non-contaminated paddy soils near an electroplating plant were investigated using the five-stage sequential extraction procedure.
通过连续提取法对电镀废水污染区和对照区水稻田土壤中重金属元素Cu、Cr、Ni、Pb和Mn的形态进行了分析研究。
4) continuous extract
连续浸取
1.
The distribution and speciation of boron in boron sludge are then analyzed by continuous extraction with different solvent.
在此基础上,选用不同的溶剂,通过连续浸取方法对硼泥中硼的分布及形态进行分析。
5) sequential extraction
连续萃取
1.
An improved analytical procedure involving five steps sequential extraction is used for particulate heavy metals(Cu,Co,Cd,Pb,Ni).
采用五步连续萃取法对我国最大的淡水湖———鄱阳湖主要支流底泥中的重金属(Cu,Co,Cd,Pb,N i)形态进行了研究。
2.
Acid digestion and a sequential extraction procedure were employed to evaluate the total contents and fractions of REEs in soil,respectively,then the contents of REEs in soil samples and fractions extracted were determined by inductively couple plasma mass spectroscopy.
2%~110%,表明采用的连续萃取法适合土壤样品中稀土元素的分析。
3.
To separate and evaluate heavy metal fractions properly,the proposed sequential extraction method was optimized by single extraction procedure.
采用单一萃取程序对建立的重金属形态连续萃取方法的萃取条件进行优化。
6) continuous extraction
连续萃取
1.
The paper introduces the principle and production proces s of continuous extraction of rutin.
讨论了连续萃取法提取芦丁的原理、工艺过程,考察了槐米颗粒大小、预处理方法、萃取剂的性质和用量、沉淀时的pH值等因素对提取率的影响。
补充资料：连续逆流沥取
分子式：
CAS号：
性质：将各单元沥取设备串联如下图所示（图暂缺）。物料由串联设备的一端进入第1级，溶剂由串联设备的另一端进入第N级。物料与溶剂以相反方向流经各级。在第1级中溶剂与浓度最高的料液相接触，故由第1级所得沥取液浓度为最高。被沥取物料在各级沥取后，在第N级与新溶剂接触，如是可以使残渣中的溶质含量进一步降低。
CAS号：
性质：将各单元沥取设备串联如下图所示（图暂缺）。物料由串联设备的一端进入第1级，溶剂由串联设备的另一端进入第N级。物料与溶剂以相反方向流经各级。在第1级中溶剂与浓度最高的料液相接触，故由第1级所得沥取液浓度为最高。被沥取物料在各级沥取后，在第N级与新溶剂接触，如是可以使残渣中的溶质含量进一步降低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条