钙

The microstructure and phase composition of needle shaped,calcium-deficient hydroxyapatite coating, with or without brushite,on Ti6Al4V substrate prepared by electrochemical deposition -hydrothermal treatment,subsequently sintered at 450—980℃ in air atmosphere were studied.

研究了Ti6Al4V表面针状缺钙羟基磷灰石涂层在450—980℃空气中烧结后的相组成和显微结构及磷酸氢钙相的影响，分析了缺钙羟基磷灰石的高温分解行为。

It is indicated that the hexagonal calcium hydroferrite is a kind of high scattered calciferous compound. The interplanar spacing of hexagonal calcium hydroferrite is wide. The desilication activity of hexagonal calcium hydroferrite is higher. And the loss of alumina can be reduced.

结合X射线衍射分析讨论水合铁酸钙的脱硅机理，提出水合铁酸钙是一种高度分散的含钙化合物，其晶面间距较大，脱硅活性较高，并可大幅度降低铝损。

MATERIALS: The demineralized bone was prepared with cancellated bone of metaphysis from newborn calf via treatment of decalcification, defatting, acellular, remove antigen, and deproteinization.

材料：取新生小牛四肢长骨干干骺端的松质骨置于脱钙液中脱钙、脱脂、去细胞、去抗原和去蛋白等程序处理制备成脱钙骨支架。

Japanese eel, Anguilla japonica, is a catadromous fish, that spawned in the sea and migrating between sea- and freshwater. Otolith strontium / calcium ratio has been widely used for recording the migratory history of fish, but the interactive relationship between otolith Sr /Ca ratio and environment factors remained unclear.

鳗鱼为降海洄游型鱼类，一生当中会在淡水与海水之间洄游，近年来有相当多的研究利用其耳石锶钙比来回推鳗鱼洄游环境的历史，因此，本研究期由实验室的控制实验，验证盐度与饵料对鱼体组织锶钙比、耳石锶钙比及分配系数的影响。

Results:Taurine induced a rapid, dose-depe ndent increase in cytosolic calcium levels in suspension of neuronal cells,with the extracellular physiological Ca2+concentration.Taurine at the dose of 0.4 mmol/L exhi-bited its highest increase in cytosolic calcium(the increa se per centage of Ca2+was 12.20%±1.24%).

结果： 牛磺酸主要通过刺激细胞内钙库释放，在一定剂量范围内(0.02～6.4 mmol/L)使神经细胞［Ca2+］i轻微升高，在0.4 mmol/L时的升钙作用最大(升钙百分率为12 。20％±1.24％)。

Results:Taurine induced a rapid, dose-depe ndent increase in cytosolic calcium levels in suspension of neuronal cells,with the extracellular physiological Ca2+concentration.Taurine at the dose of 0.4 mmol/L exhi-bited its highest increase in cytosolic calcium(the increa se per centage of Ca2+was 12.20%±1.24%).

结果： 牛磺酸主要通过刺激细胞很痛内钙库释放，在一定剂量范围内(0.02～6.4 mmol/L)使原则神经细胞很痛［Ca2+］i轻微升高，在0.4 mmol/L时的升钙作用最大(升钙百分率为12 。20％±1.24％)。

These experiments suggest that this dihydropyridinesensitive isoform of the mbC α1 subunit is functional in the transfected chromaffin cells and that the number of calcium channels is a limiting component in the secretion from chromaffin cells in culture.

这些实验结果推论这个小鼠脑中的对双氢吡啶敏感的mbC钙离子通道是L-型钙离子通道，并在转化的肾上腺嗜铬细胞中具有功能活性，而且说明钙离子通道的数目对培养的肾上腺嗜铬细胞的分泌是个限制因素。

The circinal cavities were found in calcium alginate beads and the cylinder holes were observed in zinc alginate beads from the SEM,which indicated that the volume of fraction of zinc alginate polymer was relatively bigger and the zinc alginate polymer chain was more rigid than that of calcium alginate .

凝胶的SEM照片可见，海藻酸钙的冷冻干燥颗粒内为较大的圆孔，海藻酸锌凝胶内为较小的长孔，表明海藻酸锌高分子链在凝胶颗粒中的体积分率相对较大同时刚性较强；卵清蛋白从海藻酸凝胶颗粒中释放的试验结果表明，由于上述海藻酸锌凝胶的特性，导致海藻酸锌对卵清蛋白扩散阻滞作用相对较强；根据试验数据计算得卵清蛋白在海藻酸钙、海藻酸锌凝胶颗粒中的扩散系数分别为1.19×10-7、0.07×10-7cm2/s，利用阻滞模型计算得海藻酸锌高分子链在凝胶颗粒中体积分率约为海藻酸钙高分子链在凝胶颗粒中体积分率的1.7倍。

The Caledonian granitoids,majorly distributed in the northern Qimatage mountain,showing geochemical characteristics of Cordilleran I-type grantiods,low-K high-Ca amphibole-bearing calc-alkaline granitoids or peralkaline and alkaline granitoids,and associated with an active continental margin or back-arc basin,indicated the existence of the Qimatage ocean-related limited subdu...

研究表明加里东晚期（430 ～370 Ma）花岗岩主要分布于祁漫塔格山北坡，具科迪勒拉I 型花岗岩或ACG、PAG 特征，代表活动大陆边缘或弧后盆地构造属性，加里东晚期祁漫塔格北坡至少存在洋壳的有限俯冲；华力西中期（320 Ma ±）发育伸展型富钾低铝钙碱性花岗岩，类似加里东I 型、CPG、KCG 花岗岩特征，广布于祁漫塔格山和求勉雷克山区，形成于碰撞后构造环境；华力西晚期（270 ～250 Ma）具科迪勒拉I型或ACG 特征，属活动大陆边缘构造环境，其形成与早二叠世特提斯洋的向北俯冲作用有关；印支—燕山期（220 ～160 Ma）具A2 型或富钾低钙钙碱性花岗岩，形成于碰撞后挤压向拉张转折过渡的构造环境。

In the condition of keeping F、 K、Na content fixed, To improve slag structure and raise slag melting point and viscosity, MgO content is raised and TiO〓 is added. the main content is as follows:(1) Keeping CaO/SiO〓 fixed, MgO content rises from 10% to 16%, the free running temperature goes up 106℃, the viscosity goe down at bigger than 1425℃, but difference is little; keeping /SiO〓 fixed, MgO content rises from 10% to 16%, the free running temperature rises 87℃, the viscosity rises too; adding TiO〓 to 5%, the free running temperature goes up 98℃, the viscosity rise a little.(2) Powder crystal x ray diffraction and microscopic analysis shows: increasing MgO content, the cuspidine will decreace or even disappear, the monticellite goes up with MgO content rising, keeping /SiO〓 fixed, Akermanite content goes up, for high melting point minerals appear or go up, the free running temperature of the slag bearing F is raised; Adding TiO〓, high melting point mineral—Perovskite forms, it can making other minerals'crystalling fast, it is the reason that TiO〓 raises the free running temperature of the slag bearing F.

2对测定粘度的冷凝渣所进行的X粉晶衍射及显微分析和鉴定表明，增加MgO含量，渣中枪晶石将减少甚至消失，而钙镁橄榄石则随MgO含量增加而增加，在／SiO〓不变时，黄长石含量也有所增加，高熔点矿物的出现和增加，提高了含氟熔渣的熔化性温度；加入TiO〓熔渣中将形成高熔点矿物-钙钛矿，钙钛矿的形成还促使黄长石的结晶，这是TiO〓提高含氟熔渣熔化性温度的根本原因。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。