查询词典 fractionate

It may be possible to further fractionate total respiratory resistance into central and peripheral components by using the frequency dependence of forced oscillatory effective resistance.

利用强迫振荡有效阻力的频率依赖性可以进一步分离中心和外周呼吸阻力。

Objective To fractionate phosphoproteome of mouse liver by two-dimensional 2 liquid phase chromatography fractionation .

目的利用二维液相色谱法分离小鼠肝脏磷酸化蛋白质组。

They used liquid and gas chromatography to fractionate the sample into its molecular constituents; an electron beam then fragmented the separated molecules in a mass spectrometer to produce a spectrum indicating the basic chemical components.

他们运用液相与气相层析法，将样本的组成分子分开，然后导入质谱分析仪，以电子束使已分离的分子断裂，进而产生出可识别基本化学组成的图谱。

Macroporous adhesive resin column and Sephadex LH20 column were employed to separate and fractionate the crude extract and the structures of the main compounds were analyzed by HPLC-ESI-MS.

通过大孔树脂结合SephadexLH—20对芒果多酚粗提物进行分离纯化和分级制备，采用HPLC-ESI-MS对主要组分的结构做了初步分析。

Rhizosphere and bulk soils were extracted by low molecular-weight organic acids to fractionate Pb fraction of soil pools, which is considered as the phytoavailable Pb.

由于受到根际酸化作用和TOC结合的影响，根际土壤有效Pb含量高于非根际，并且随着Pb处理浓度的增加，有效铅含量增加。

A sequential extraction technique to fractionate P and the method proposed by Bremner to separate N in different fractions were used.

本试验利用Sui 和 Thompson (1999)序列萃取法，以不同强弱的萃取剂来划分土壤中的磷，将土壤磷划分为水萃取磷、碳酸氢钠萃取有机磷及无机磷、氢氧化钠萃取有机磷及无机磷、盐酸萃取磷及残余磷；利用 Bremner (1965)的土壤有机态氮划分法将土壤有机态氮划分为水解性全氮、水解性铵态氮、胺基醣态氮、胺基酸态氮及不可辨认的水解性氮。

They enrich in LILEs and LREEs at different degrees, and deplete relatively to HREEs, REEs fractionate evidently, compatible elements deplete significantly.

不同程度地富集大离子亲石元素和轻稀土元素，相对亏损重稀土元素，稀土元素分馏明显或比较明显，相容元素显著亏损。

This model indicates that the sulfur isotopes, whose values tend to be negative fractionate to a large scale because of the reductive process of dissimilating bacteria of sulfate.

根据内蒙古乌达矿区高硫煤9煤层（有机硫同位素值 d 34 S=－12.3‰~5.8‰，黄铁矿硫同位素值 d 34 S=－18.7‰~1.1‰）和低硫煤13煤层（有机硫同位素值 d 34 S 为8.9‰~ 11.5‰，黄铁矿硫同位素值 d 34 S 为8.3‰~ 9.7‰）剖面上有机硫和黄铁矿硫同位素的组成，结合煤岩学特征的综合分析以及黄铁矿化菌落和蓝藻胶壳的发现，提出了高硫煤中硫的演化模式，认为高硫煤中硫的同位素由于硫酸盐的异化细菌还原作用导致硫同位素大规模分馏，使之趋于负值。

The purposes of this study were to develop a sequential chemical extractions scheme suitable to fractionate the forms of heavy metals associated with phosphate in neutral and alkali soils contaminated with heavy metals.

许多学者提出重金属连续萃取法(sequential chemical extractions， SCE)研究重金属存在型态大多忽略和磷酸盐之相关性，本研究拟提出适当的连续萃取步骤，探讨中性及碱性污染土壤中重金属与磷存在型态的分布及其相关性，并探讨用盐酸清洗此等土壤时，其可能移除重金属之型态及部份植物养分成份被移除的程度。

Under prospective, random, controlled trial, We fractionate 40 case report to two group, one is pure west medicine, other is combined therapy of Chinese medicine include Chinese crude drug, electro-acupuncture therapy, intermediate. We evaluate the curative effect by KUB and B Supersound , use postoperative rehabilitation measuring scale to analysis patient, and adopt Ward s method summarize the syndrome after operation.

术后两组患者结石残留率经统计分析无明显差异，KUB复查提示两组疗效相当，差别无显著性意义，提示术后短期内(7天)结石残留率取决于手术情况，中医介入治疗不能改变短期结石残留率，但长期疗效有待进一步研究。

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。

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。