The isolation and analysis of the polysaccharides from Panax ginseng C.
对于人参多糖的提取和精细结构分析一直是研究中的重点。
Objective To introduce the extraction, isolation and analysis of diosgenin.
目的介绍薯蓣皂苷元主要的提取和分离分析方法。
Chromatography is a mature science for isolation and analysis, which can be used in theoretical and technical studies.
色谱是一门理论与技术研究很成熟的分离分析科学。
The researchers were especially careful in their analysis to try to rule out the possibility that cognitive decline precedes, or causes, social isolation, and not the reverse.
研究者在分析中特别仔细,他们尝试排除认知力下降发生在社会孤立之前或者导致社会孤立的可能性,而不是相反的情况。
In this paper, through the experimental study and theoretical analysis, sound isolation behavior of concrete hollow brick wall is studied.
本文通过试验研究和理论分析研究了混凝土(空心)砖墙体的隔声性能。
TPOFF results were similar to both flow-cytometric analysis of tumor cells after isolation and suspension, and fluorescence determined by microscope images of cryo sectioned tumors.
TPOFF检查结果不但与分离并悬浮后的肿瘤细胞流式细胞检测分析的结果类似,也与肿瘤冰冻切片的荧光显微成像一致。
Often the pooled estimate and its confidence interval are quoted in isolation as an alternative estimate of the quantity evaluated in a fixed effect meta-analysis, which is inappropriate.
常常这种合并的估计和可信区间被孤立的引用,就象在固定模型中一样,这实际上是不合适的。
The review discusses many ways of extraction, isolation, quantitative analysis of proanthocyanidins from grape, bark and other plants.
讨论了从葡萄、树皮和其他植物中提取、分离和定量分析前花色素的多种方法。
In order to optimizing the vibration isolation of some diesel generator set, an analysis of the vibration character and excitation forces of it is presented through theory study and vibration testing.
通过对频响函数的测试,获得了某型柴油发电机组隔振系统各阶刚体模态频率和弹性模态频率,分析了该机组振源和振动特点。
The method of the paper can be used to random response analysis and optimization design of the structure with base isolation.
本文方法也可用于基础隔震结构和无损伤“加层减震”加固结构的随机地震响应分析与优化设计。
The active vibration control of the beam structure, which is used in the isolation of the ships auxiliary machines, is studied by using modal analysis method and adaptive algorithm in this paper.
以船舶辅机的梁式隔振结构为对象,运用模态分析方法和自适应算法,推导并分析了梁式结构振动主动控制的基本原理和方法。
Yeast Artificial Chromosome (YAC) techniques play an important role in the analysis of human genome and the isolation and cloning of disease related genes.
人工酵母染色体(YAC)技术是人类基因组分析及疾病相关基因的分离、克隆中的关键技术。
The sequence analysis determined that the CP gene of Kuerle pear isolation comprised 582 nucleotides and encoded 193 amino acids containing consensus of nucleotide binding motif.
序列分析结果表明,库尔勒香梨分离物外壳蛋白基因由582个核苷酸组成,编码一个由193个氨基酸组成的蛋白质。
Some typical testing analysis and researches, including the mechanical tests for rubber bearings and the shaking table tests for structural models with isolation system were provided herein.
阐述了一些典型的试验分析与研究成果,包括橡胶隔震支座力学性能试验与隔震房屋振动台模型试验的成果;
Isolation data was obtained by this method and the results show that this method is feasible for the EMC analysis and design of complex objects.
所用方法及所得结果可作为飞机电磁兼容分析与设计的手段和依据。
A series of new techniques are adopted to set up the automatic grading system for the isolation and reconstruction of grain boundaries in quantitative metallograph analysis.
本文介绍利用一系列新颖的图像处理技术,实现了定量金相分析中的晶界重建和晶粒度自动评级。
Through feedback control analysis and simulation, it is proved that the mechanical model is appropriate and the scheme of active vibration isolation system is feasible and effective.
通过反馈控制分析和实验,表明:采用主动隔振可以明显提高机床减振性能,尤其对低频隔振效果较好。
Based on the analysis of the structure and vibration of HCM-I Submicro CNC Ultra-precision Turning Machine, the mechanical model of active vibration isolation system is set up in the paper.
本文以HCM_I型亚微米超精密车床为研究背景,在分析了机床结构与振动的基础上,建立了机床主动隔振系统的力学模型。
Through these and computer analysis, a simple method of computing the match relation and design of base isolation system are given.
通过试验研究及计算机分析,就隔震体系的匹配关系及设计提出了简化计算方法。
This paper deals with the vibration isolation principle of a system with a negative stiffness spring and the energy analysis for this system.
本文讨论含负刚度弹簧系统的隔振原理,并对这样的系统进行了能量分析。
The finite element analysis was carried out with ANSYS software and the performance of vibration isolation was surveyed through the experiment.
将船体与浮筏装置作为一个系统,建立其三维有限元振动分析模型;
Methods:The isolation and purification were carried out by repeated silica gel column chromatography, and the chemical structures were determined by physicochemical properties and spectral analysis.
方法:采用反复硅胶柱色谱、葡聚糖凝胶色谱等分离纯化,通过理化常数和波谱分析鉴定其化学结构。
The paper is mainly about the analysis of stabilization and earthquake isolation of Double Layer Cylindrical Lattice Shells.
本文的研究内容,主要为双层柱面网壳的稳定分析和隔震研究。
The analysis and computation of the earthquake response of sliding base-isolation system could be simplified by inelastic response spectrum.
滑移隔震结构地震反应的分析和计算可通过滑移隔震结构非线性反应谱进行简化。
Through the dynamic test and the numeric analysis of the isolator, it is proved that the PGG isolator has excellent isolation performance for blast shock and vibration.
经冲击台试验的检验和数值计算分析比较,证明PG G隔震器具有优良的爆炸冲击震动隔震性能。
Through dynamic test and theoretical analysis of the isolator, it is proved that the PGG isolator has excellent isolation performance in the case of blast shock and vibration.
经冲击台动力试验和理论计算分析,表明PG G隔震器具有优良的爆炸冲击震动隔震性能。
According the theory analysis, the effective method is applied in actual site and noise reduction effect is obvious after vibration isolation.
依据理论分析结果,对实际现场采取了有效的隔振降噪方法,隔振后降噪效果明显。
The methods and techniques for the isolation, purification and structure analysis of polysaccharides from edible-medicinal fungi were reviewed in this paper.
本文综述了食药用菌多糖提取、分离纯化与结构分析方面的技术与方法。
In this paper, damping isolation system and its vibration suppressed effectiveness analysis for offshore platform structures are studied.
本文研究导管架式海洋平台结构阻尼隔振体系及其减振效果。
In this paper, damping isolation system and its vibration suppressed effectiveness analysis for offshore platform structures are studied.
本文研究导管架式海洋平台结构阻尼隔振体系及其减振效果。
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