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physicochemical相关的网络例句

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与 physicochemical 相关的网络例句 [注:此内容来源于网络,仅供参考]

Changes occuring in physicochemical sensory parameters of crisped grass carp fillets during different frozen storage conditions(-18℃、-25℃、-30℃) were investigated.

对脆肉鲩鱼片在不同冻藏温度条件(-18℃、-25℃、-30℃)下,理化感官指标的变化进行了研究。

Curcas seeds and physicochemical characteristics and fatty acid composition of the seed oils, among the 6 sources.

而后采用脱脂后水浴醇提的方式大量提取,结合大孔吸附树脂和硅胶柱层析

The ethanol extract was dissolved with HCl, the acidic extract was basified to pH9-10 with NH_3-water and extracted with CHCl_3 to give total alkaloids. five alkaloids were isolated with column chromatography and preparative thin-layer chromatography, and three of them were identified as dehydrocorydaline、 corynoline and dihydrosanguinarine on the basis of spectral analysis MS,~1H-NMR,~(13C-NMR and physicochemical properties. All of them were found for the first time from this plant.

为研究灰绿黄堇的化学成分,本文将灰绿黄堇乙醇提取物采取酸提取、碱游离后萃取的方法得到总生物碱,然后利用柱色谱、制备薄层色谱等方法分离、纯化了灰绿黄堇中5种生物碱,并利用IR、MS、~1H-NMR、~(13)C-NMR等方法鉴定了其中的3种,分别为去氢紫堇碱、紫堇灵、二氢血根碱,均为首次在此植物中发现。

Objective: To evaluate the physicochemical characteristics of hair fibers among 41 youth of Chinese Han, and to provide a theoretical basis both for further cosmetic product and dermatological medication.

目的:分析41例汉族青年头发的物理化学特性,为毛发疾病的发病机制和治疗研究提供基础。

The method for the physicochemical phase analysis of a directionally solidified Ni-based cast superalloy was studied.

系统研究了一种定向凝固镍基铸造高温合金的物理化学相分析方法。

The results of physicochemical tests showed that the pigment was a kind of water dissolvable pigment with heat stability.

榛子壳棕色素为水溶性色素,具有良好的耐热性;强光长时间照射会影响色素的稳定性;在pH值4~12范围内,色素稳定性良好;Na,K,Ca(上标 2+),Al(上标 3+),Mg(上标 2+)对色素无影响,但Fe(上标 3+),Cu(上标 2+),Zn(上标 2+)对其影响较大;色素对常见的食品添加剂稳定,但柠檬酸使其发生轻微褪色。

Additionally,relative enrichment factors had no significant correlation with 1g K_ in both soil profiles,indicating that PAHs behaviors in soil profile were not influenced by their physicochemical characteristics but other factors(such as eluviate and organism disturbing).

另外,水稻种植前后土壤剖面PAHs相对富集系数与1g k_相关性均不明显,表明PAHs自身理化性质对其迁移特征影响较弱,其他作用机制影响较强。

In our studies,sludges composting was used as object, fluoranthene was on behalf of PAHs,and methods included dynamic sampling,room analysis,sludges' composting,leaching of soil column,and room culture were employed. The main contents include:the concentration and the distribution of PAHs in municipal sludges in Jiangsu Province,effects of composting on the concentration of PAHs in municipal sludges,the physicochemical properties of water dissolved organic matters in sludges before and after composting,effects of sludges composting and DOM on the desorption-leaching and eco-toxicity of FLT in polluted soil,and primary investigation of mechanism on same phenomena.

本论文以污泥堆肥为原料,以荧蒽(fluoranthene,FLT)为PAH的代表,采用动态取样、室内分析、污泥堆肥、土柱淋滤和室内培养等方法,系统研究了江苏城市污泥中PAHs的含量以及分布模式;堆肥对污泥中PAHs含量的影响;污泥堆肥前后水溶性有机物的理化性质特征变化;污泥堆肥对污染土壤中FLT解吸-淋滤、以及生态毒性的影响,并对有关现象进行了机理探讨。

Through comparing the ultrasonic refining effect with the traditional method for refining the waste silk frison material and studying on the feasibility of ultrasonic and the effect on the physicochemical property of the fiber,the reliable foundation was established that existing technique can be replaced by the ultrasonic method in the refining processes.

通过对超声波在绢纺长吐类原料中精练效果与传统工艺的比较,以及对超声波精练方法的可行性及超声波精练方法加工对纤维机械物理性能影响的研究,得到利用超声波精练代替现有加工工艺的可靠依据。

Rice flour ; physicochemical index ; gelatification characteristics ; analysis of correlations

大米粉;理化指标;胶凝特性;相关性分析

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