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It is well known that metal ions play important roles in the catalysis of a large number of different enzymes.

金属离子是许多不同酶分子中不可缺少的重要组成部分,并在酶的结构和功能中发挥着重要的作用,特别是含锌离子的酶,由于遍布于六大类酶中的每一类而更加引人注目。

The electrochemical impedance spectroscopy features and the resistance to corrosion of an epoxy coating containing the pigment of zinc chrome yellow have been studied with the aid of EIS and Fourier transform infrared spectroscopy analysis.

运用电化学阻抗谱和Fourier变换红外光谱研究了经过不同老化温度和老化时间处理的含锌铬黄防锈颜料的环氧酯漆在3.5%NaCl溶液中的阻抗谱特征,根据Fourier变换红外光谱和电化学阻抗谱中第二个时间常数出现的快慢及高频收缩情况来判断涂层的耐蚀性能,进而筛选老化工艺。

Apparently, the results is determined extremely by theoretical algorithm. In 147 zinc-finger-containing genes, 50nt identity sequences were extracted. The results hint that 15 genes may related to block evolution. we analyzed the phylogenetic map of these 15 genes by uncorrected distance, Jukes Cantor distance, Tamura distance, Tajima-Nei distance, Jin-Nei distance or Kimura distance correction, but we found no satisfied result according to the block exchange pattern mentioned before. Introducing Bootstrap test to assistant correction, an comparatively perfect map was drown by Neighbor Joining method.

以147个含锌指基因为模板,我们搜索了其中的50nt一致序列作为板块式进化的核心,获得15个相关基因,应用无校正距离、Jukes Cantor校正距离、Tamura校正距离、Tajima-Nei校正距离、Jin-Nei校正距离和Kimura校正距离等分析了他们之间的进化关系,结果与已知的板块交换模式吻合度较差,引入靴带检验对Jukes Cantor校正距离结果进行统计学校正,并重新用Neighbor Joining方法绘制进化图,结果可靠性大大提高。

In the diet, it is necessary to give children pica eating fish, shrimp, lean meat, such as high-protein food and the hard shell of zinc, iron-rich food.

在饮食上,要多给异食癖的孩子吃鱼、虾、瘦肉等高蛋白的食物及有硬壳的含锌、铁丰富的食物。

Silver has two forms in its occurrence:mainly in the form of silver-bear iug sulfosalts(pyrargyrite,freibergite and Ag,Zn-bearing tetrahedrite and others) discovered for the first time;secondary,in the form of impurities scattered in the memllic sulfides.

银主要以首次发现的含银硫盐矿物(深红银矿、银黝铜矿和含银锌黝铜矿等)产出,其次是杂质元素分散在金属硫化物中,银的含量按方铅矿、黄铜矿、闪锌矿、黄铁矿的顺序依次降低。

It has been found that a lot of gypsum and zinc bearing siderite occur on the surface of Xitieshan deposit and near ore country rocks of the upper part of the ore body.

锡铁山矿床地表及上部中段的近矿围岩中发育大量的石膏和含锌菱铁矿,长期以来主要作为喷流沉积或后期改造的产物。

The identified proteins are involved in a variety of cellular process including several zinc finger proteins relevant to transcription regulation, such as zinc finger 198, 263, 14, 224, zf6, novel protein similar to transcriptional represser CTCF, and kruppel-like zinc finger protein; two members of the ADAMs (a disintegrin and metalloprotease domain) family; two members of integrin family; several proteins involved in the signal transduction, cell-cycle control, chromatin remodeling and transcription repression; and also some proteins of cell skeleton and some with unknown functions.

鉴定出 的蛋白包括多个与转录调控相关的锌指蛋白,如锌指蛋白198、263、14、224、zf6、转录抑制因子cTcF样蛋白、幻肚pple样锌指蛋白等:两个含金属蛋白酶结构域和整合素结合结构域的家族成员ADAM28和ADAM17;两个整合素家族成员pZ整合素和含十个EGF样结构域的整合素;与细胞信号转导通路有关的蛋白;与细胞周期调控有关的蛋白;与染色体重塑和基因转录抑制有关的蛋白;细胞骨架蛋白以及其他功能未明的蛋白等。

In this thesis, the phase diagram of Zn-Al binary system on 10~69.5 w% was reinvestigated by using differential scanning calorimeter, X-ray diffraction and pushrod dilatometer. The process of isothermal transformation during the aging of high-Aluminum-Zinc-based alloy was studied by using differential scanning calorimetry, and the aging behavior of the alloy was analyzed at the aspect of thermal analysis kinetics. The change of microstructure which the alloy was being heated was observed on high-temperature metallurgical microscope. The microstructure and wear-friction properties were compared among the alloys treated with several different heat treatment processes, and a model for heat treatment processes was proposed based on artificial neural network,so as to predict the relationship between friction coefficient and parameters of aging treatment such as aging temperature and time.

本文采用高温X射线衍射、示差扫描量热分析、热膨胀等方法重新测定含锌量范围为10%~69.5%的Zn-Al系二元相图,利用示差扫描量热分析法,研究高铝锌基合金时效等温转变过程,并从热分析动力学的角度分析高铝锌基合金合金时效行为;使用高温金相显微镜观察合金加热时的组织变化;比较几种不同热处理工艺对高铝锌基合金显微组织与耐磨性能的影响并利用人工神经网络建立高铝锌基合金热处理工艺模型,预测合金摩擦系数随时效温度及时间变化规律。

This product not only contains the various nutrients in the carrot such as vitamins,β-carotene (converting to vitamin A in vivo), protein, active enzymes, minerals (potassium, sodium, calcium, magnesium, iron and zinc) but also is replenished with concentrated carrot essence and red tomato (containing abundant vitamin A, B, C, potassium, sodium and magnesium), which makes it more nutritious and easier to be absorbed by the body. It is the indispensable natural healthy food for the modern.

胡萝卜素不仅保留了胡萝卜所含有的多种维生素、β-胡萝卜素(在体内可转化为维生素A)、蛋白质、活性酶和矿物质(钾、钠、钙、镁、铁、锌)等营养成分,而且因添加了适量的胡萝卜浓缩素、红番茄(含丰富的维生素A、B、C及矿物质磷、钾、钠、镁等营养成分),使其营养成分更加丰富并且更容易被人体均衡吸收,是现代人不可缺少的健康食品。

More particularly, this invention relates to amino acid chelated mineral compositions containing chromium and, optionally, one or more minerals selected from the group consisting of copper, zinc, manganese, iron and selenium and to methods of administering these compositions to influence mineral uptake and absorption in humans and other warm-blooded animals subjected to conditions of stress or exhibiting symptoms of stress.

更特别地,本发明涉及到含铬的氨基酸螯合矿物质成分,可从一群铜,锌,锰,铁,硒中选择一个或多个矿物质,调节这些成分的方法来影响矿物质摄取和吸收,在人类和其它恒温动物遭受到压力的情形或表现出来压力的症状。

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