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The results of IR and XRD for ground cement components show that grinding aids accelerate breakage of chemical bonds especially of Si—O bond in C〓S mineral, enhance crystal lattice distortion, crystal defect and amorphism, thereby enhancing activity of ground materials.

助磨剂作用下磨细物料的XRD、IR分析结果表明:助磨剂加剧了物料的晶格畸变、晶格缺陷及无定形化,加速了物料结构中化学键的破坏,尤其是C〓S矿物中Si—O键的断裂,从而增加物料的反应活性。

Ti-Si composite materials are mixed at atomic scale, and Ti-O-Si bond appears in all of the samples with different TiO2 content; the mixed oxides are mainly existed in the form of amorphous pattern, anatase appears when the TiO2 content is more than 80%, but compared with the intension of pure TiO2, it has not integrate structure. The acetic content has great influence in the specific area and crystal structure of the mixed oxides. 20TiSi has good heat stability, still possesses 11m2/g after calcined at 1100℃; calcinations on the large scale of temperature does not cause the break of Ti-O-Si bond, TiO2 is well dispersed in 20TiSi calcined at 1100℃, and it still existed in the form of amorphous.

结果表明:制得的Ti-Si复合氧化物具有很高的比表面积,在TiO_2含量为10%时达到681.5m~2/g,Ti原子进入Si-O四面体结构中,形成Si-O-Ti键,复合氧化物的稳定性好,当TiO_2含量低于60 wt%时,以无定型形式存在;当含量为80%时,出现锐钛矿型TiO_2,但与纯TiO_2相比晶型不完整:醋酸对Ti-Si复合氧化物的比表面积、晶型都有很大的影响;TiO_2含量为20%的20TiSi经1100℃高温焙烧后,仍有较高的比表面积(11m~2/g),稳定性好,在较宽的温度范围内焙烧,没有引起Ti-O-Si键的断裂,分散度高,没有出现晶型TiO_2。

The monosaccharides in LBP-4 identified by GC were xylose , galactose , mannose , Rhamnose , glucose and arabinose with the molar ratio of 4. 45: 1. 20: 1. 0: 0.98: 0.90: 0.85. The content of calcium, magnesium, zinc and iron in LBP-4a were 127. 9070mg·g〓, 32. 3953mg·g〓, 0.3845mg·g〓 and 0.2930mg·g〓, respectively. The content of galacturnic acid in LBP-4a was 55. 45% while the content of protein is 3. 80%. According to IR spectra, it contains -COOH group,-NH- roup,-OH group,-NH〓 group and β-D-glucose. The backbone of sugar residues chain in LBP-4a were contained 1→6 indican bond according to periodate oxidation and the results of β-elimination reaction indicated that the chain of polysaccharides and protein were connected by O-linked chemical bond. The photograph of LBP-4a got by laser scanning confocal microscope and scanning electron microscope showed that the LBP-4a combined both with each other and with itself in its crystalloid. The crystalloid was flake and anisotropic.

由LBP-4a的红外光谱图知:LBP-4a中含有-COOH、-OH和-NH〓或-NH-基团,糖链中含有β-D-吡喃葡萄糖;高碘酸氧化实验知LBP-4a糖链中不具有连二羟基和连三羟基结构的单糖残基:具有连二羟基结构的单糖残基:具有连三羟基结构的单糖残基=57.0:16.2:1,六碳糖残基的连接中含有1→6连接的糖苷键;通过β消去反应证明LBP-4a中多糖链和氨基酸间为-O-型连接;由激光扫描共聚焦显微镜和扫描电镜对LBP-4a结晶观察结果推测:LBP-4a结晶中同时存在分子间和分子内结合的现象,LBP-4a分子相互结合时,并不是无规则的相互缠绕形成无规线团结构,而是形成片层结构,并且LBP-4a结晶可能具有各向异性的性质。

And adsorption of jack bean proteins onto the amphoteric resin was studied in this paper. The amphoteric resin was in innersalt form. The results of adsorption experiments show that when the proteins are adsorpted into the amphoteric resin in the neutral phosphate buffer solution, the diffusion coefficient of protein is near twofold in 0.4 mol/L NaCl phosphate buffer solution than that in solution without salt, and the adsorption capacity of protein also rises at the same ti...

通过盐浓度对吸附的动力学和热力学影响的研究,结果表明,在中性磷酸盐缓冲液中,两性树脂吸附刀豆蛋白,有盐( 0 。4mol/L Na Cl)的比无盐的扩散系数提高将近一半,且吸附量增加,其吸附等温线的效率在最初始部分高于无 Na Cl时的;随着盐浓度( 0~ 1 mol/L Na Cl)的提高,树脂对蛋白的吸附量也变大,盐浓度提高时树脂膨胀体积的增大与蛋白吸附量的增加呈线性关系,内盐型两性树脂对大分子蛋白质的吸附作用与小分子高价离子的相似,同样是通过内盐键破裂吸附。

This article introduces a calculating formula of the passing reliability coefficient of the high-speed rotating moment arm of the combined gear shaft without keys, analyses the factors which impair the reliability, and presents methods which can be used to improve it.

本文介绍了高速无键齿轮联轴节转矩传递可靠性系数的计算式、影响可靠性因素分析,以及提高可靠性的途径。

The metal ions form ionic bonds, which are nondirectional, with oxygen atoms that previously had been bonded rigidly to specific Si atoms.

金属离子与氧原子形成无方向性的离子键,而氧原子之前一直牢固结合在特殊的硅原子上。

The traceless Staudinger ligation of azides and phosphines is an effective method to produce an amide bond.

叠氮化合物和膦硫酯的无痕施陶丁格连接反应是一种有效生成酰胺键的方法。

In the structural design Unique scroll crushing chamber and P, S, T three broken, rotor system adopts the key sets of cone connection, efficient hammer wear-resistant plate, insert the installation form, tilt housings, the unique profile counterattack liner, multi-rack Position open the door, screw or hydraulic device to open the replacement of wearing parts, maintenance more convenient.

在结构上设计有独特涡旋破碎腔和P、S、T三段破碎区,转子体系采用无键锥套联接,高效耐磨板锤,插入安装形式,倾斜轴承座,独特的齿形反击衬板,机架多方位开门,丝杠或液压开启装置使更换易损件、检修更加方便。

The '08 Corvettes also come with a new Keyless Access fob, which features the key and remote-function controls integrated in a single unit.

08款克尔维特还提出一个新的无键访问离岸价格,其特点主要和远程控制功能,在一个单元中。

Now many propellers are kevless, so we install or remove a propeller by hydraulic pressure.

现在许多螺旋桨都是无键的,用液压来拆装。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。