查询词典 ca

It is attempted to analyse essential mineral elements like K, Mg, Cu, Zn, Ca and P in the cell wall of aerenchyma cells in petioles of S.

结果发现，在叶柄发育的早期，通气组织细胞壁的K和Cl含量很高，分别高达36％和4.3％细胞壁干重。

These results confirmed that the element concentration of aerenchyma cell wall undergoes dynamic changes during different developmental stages, and a low Ca with high Zn and Cu concentration are needed for cell expansion.

Cu和Zn在细胞壁中的积累呈高度的直线关系，回归分析显示，二者呈现定量关系，推测它们可能有共同的或者类似的转运和吸收机制。

The 412th Test Wing manages flight operations for the Air Force Flight Test Center at Edwards AFB, CA.

第 412只测试翅膀处理在爱德华 AFB ，加州的到空军班机测试中心的操作班机。

Further more, animal erythrocytes specificity, carbohydrate-binding specificity, thermostability, and influence of pH and Ca2+ to the agglutinative activity were compared among the lectins of serums and muscles from 5 crustaceans. The results showed that there were evident difference in these aspects between serum and muscle from the same crustacean, and it indicated that the lectins of serum and muscle from the crustacean were different in nature.

进一步比较5种甲壳动物的肌肉和血清中凝集素的动物细胞专一性、糖结合专一性、热稳定性、pH及Ca~(2+)的影响试验，结果上述几方面在同一种甲壳动物的肌肉和血清间都存在明显差异，证明同一种甲壳动物的肌肉和血清所含的凝集素的类型不同。

It detailed deal with the oxidation process of manganese ore deposit, it behave the Ca、 Mg、Si、Na、K and other element made lot shift in desediment mechanism, and the high concentration of Mn in aggradation mechanism.

5详细论述了孤峰组含锰岩系的地球化学、指相地球化学及稳定同位素特征，首次明确提出泾县昌桥地区的含锰岩系为热水沉积作用形成的认识。

CA has been seen in the Australian Kelpie, Gordon Setter, Border Collie, Labrador Retriever, Airedale, English Pointer, Scottish Terrier, Kerry Blue Terrier, Miniature Schnauzer, and other dog breeds.

已有报道的患小脑活力缺失疾病的犬种有澳大利亚卡尔比犬、戈登雪达犬、边境牧羊犬、拉布拉多犬、万能梗、英国指示猎犬、苏格兰梗、凯利蓝梗、迷你雪纳瑞和一些其他品种的犬。

"It may be that these very young drinkers just haven't lived long enough — or had time to experience the cycle of failure and success — to allow abstinence to work," said Kaskutas, director of training at the Alcohol Research Group in Berkeley, CA.

"可以说，这些非常年轻饮酒者只是还没有住够长-或者没有足够时间进行体验周期的失败和成功-让禁欲的工作，说：" k a skutas主任，训练时，酒精研究小组在伯克利分校钙。

Because the olefinic hydroxyl groups are linked with olefinic carbon, so it can ionize H〓 ion and present the properties of weak acid, and so the olefinic hydroxyl groups change into the structure of alcoholate in the presence of alkali , but the structure of alcoholate may change into the structure of olefine alcohol again, after the Na〓 ions is removed, or when the pH value of its solution turn into pH. Because the structure of the olefine alcohol is not stable and is easy to isomerizate to become the structure of olefine ketone, so there appear the ca. 1730cm〓 C=O absorption peak in the IR spectra of the products.

明确指出了在C〓、C〓富勒醇中存在烯碳羟基与叔碳羟基等二类羟基，烯碳羟基由于与一个共轭体系相连，从而其羟基可以离解而呈现出弱酸的性质，因而在碱性条件下易形成烯醇钠盐的结构，当除去钠离子后或在酸性溶液中，烯醇钠盐结构转变为烯醇结构，但由于烯醇结构不如烯酮结构稳定，从而形成烯醇结构后，烯醇结构异构化为烯酮结构，因此在其产物的IR谱图上出现1730cm〓附近的C=0吸收信号。

These chemical compounds were found for the first time from this alga and compound 9 had never been reported in previous literatures.

这些化合物均是首次在该种海藻中得到的，经CA检索化合物9未见文献报道。

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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。