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A new surfactant-polymer binary compound system without alkali was proposed and used to attain ultra-low interfacial tension of oil.

为此提出利用不加碱可形成超低界面张力的聚合物/甜菜碱表面活性剂二元复合体系驱油。

For investigating the mechanisms of carbohydrase treatment and alkaline extraction during aqueous enzymatic extraction of rapeseed oil from wet milled rapeseed, the changes of rapeseed cell ultra-structure during enzyme hydrolysis were observed using SEM and the properties of emulsions in different pH conditions were studied.

为探讨湿磨油菜籽水酶法提油工艺中细胞壁多糖酶和碱提的作用机理,使用扫描电镜观察油菜籽细胞在酶解过程中超微结构的变化,并对不同 pH乳状液体系的部分理化性质进行了研究。

Moreover, the inner cone has the characteristic of Lewis basis with high electron density because of the lone-pair electrons of oxygen atoms stretching towards it and can form inclusive compounds with varied compounds. The special structure of CD is very important to separate and analyze enantiomers, which has become the most important mainbody of super-molecular chemistry and greatly improved the developments of bioscience and pharmaceutical chemistry.

环上具有多羟基,具有亲水性。O原子的孤对电子朝向内腔,使内腔具有高的电子密度,具有Lewis碱的特征,能和多种化合物形成包合物,这种结构因素在手性识别上起作用,目前它已经发展成为超分子化学最重要的主体,对促进生命科学和药物科学的发展具有重大意义。

The characters of geochemistry are rich alkali. And at the same time the content of calcium is high. They are rich in alkali, high in Potassium, enriched in LILE, LREE and Pb, depleted in HFSE and have a small Sr, Nd, Pb isotope range. Their source is probably a kind of even metasomatic mantle. This is consistent with the fact that there is kimberlite containing flogopite in the deep-source enclosure of Cenozoic super-K alkali lava in the southern part of this rock zone.

组成这些钾质碱性岩带的岩石:在岩相上,包括深成相、浅成相和喷溢相等不同岩相;在岩性上,从超基性、基性、中性到酸性岩石;造岩矿物,从超基性到酸性岩石中均有透辉石,在基性、超基性岩中有霞石;在岩石化学成分上,所有岩石均表现出富碱高钾富钙,微量元素富集Rb、Sr、Ba等大离子亲石元素和Th、U等放射性元素,贫Nb、Ta、Zr、Hf等高场强元素;稀土元素富集轻稀土,铕负异常不明显;Sr、Nd、Pb同位素组成,显示了物质来源于富集地幔源区。

The results of physiological indexes analysis under different salt stress condition showed that cell membrane permeability of all species increased along with the increasing of NaCl concentration, and concentrations of Na+, Cl-, proline, soluble sugar, saccharose and malondialdehyde showed the same tendency.

不同盐浓度胁迫下各项生理生化指标的测定结果表明:随着盐胁迫强度的增加,四种植物的膜透性增大,Na+、Cl-、脯氨酸、可溶性总糖、蔗糖和丙二醛含量都呈增大的趋势,高碱蓬和镰叶碱蓬的Pro含量增加迅速,明显比盐角草和盐爪爪高,盐角草Na+、Cl-含量明显高于其它三种植物,K+、Ca2+、Mg2+、叶绿素含量,过氧化物酶、超氧化物岐化酶和过氧化氢酶活性和K+/ Na+都呈下降的趋势。

Deep ultramafic xenolith is discovered in alkali-rich porphyry at Liuhe village, Heqing County, Yunnan Province.

云南省鹤庆县六合乡富碱斑岩体中的超镁铁深源岩石包体,对于研究富碱斑岩岩浆的起源和演化及其成岩成矿作用具有重要意义。

The paper alse proposes that" there occurs anorogenic alkali-granite conter-overstep distribution in Altay orogenic belt" with was resulted from conter-moving of tensional stress, and the bundary of conter-overstep distribution could be used as a sign to determin suture belt of ancient plates.

本文同时还提出了&阿尔泰造山带存在有非造山富碱花岗岩反向超伏分布&的新观点,产生非造山富碱花岗岩反向超伏分布的机制是地幔上穹引起的张性应力逆向推移,并认为非造山富碱花岗岩反向超伏的起始界线可做为确定古板块缝合线的重要依据之一。

The interfacial tension between ABEPS solution and crude oil had been investigated. It was shown that ABEPS not only displayed outstanding salt resistance, but also good hard-water endurability, furthermore ultra low interfacial tension could be achieved without alkaline but proper amount NaCl in the water-crude oil system, which proved its excellent interfacial performance and better application prospects.

本论文还通过对ABEPS水溶液与原油之间的界面张力测定,发现ABEPS不仅具有出众的耐盐性能,而且具有良好的抗钙镁性能,合适的盐浓度下,表面活性剂水溶液与胜利原油之间可以在没有外加碱的情况下形成超低界面张力,说明这类表面活性剂具有良好的界面活性和潜在的应用前景。

Objective:To investigate the influence of fibroblastic ultrastructure after applying the matrine on the hypertrohic scar.

目的:研究苦参碱(Matrine,Mat)对人增生性瘢痕成纤维细胞超微结构的影响。

Factors which can accelerate the early hydration of cement,the setting in particular,such as excessively high C3A content,too low SO3 content,high alkali content and the blending of pozzolana with large inner specific surface area,etc.,will result in poor compatibility of the superplasticizer with cement.

凡是加速水泥初期水化的因素,特别是使水泥凝结加速的因素如C3A含量过高、SO3掺量过少、碱含量高以及掺入内比表面积大的火山灰质混合材等均使水泥与超塑化剂的相适应性变差。

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