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By changing the ratio of ZnO and Ca2 and by different abstersion methods,three kinds of Ca[Zn-3]2·2 H2O powers with diffrent phase purities were prepared with chemo-synthesized method.

采用化学合成的方法，通过调整ZnO和Ca2的配比，以及用或不用KOH溶液洗涤产物，分别制备了相纯度不同的3种Ca[Zn3]2·2H2O粉体。

Calculation results show:(1) Initial concentration of SO〓 has great effect on utilization efficiency of limestone;(2) An optimal value of Ca/s is between 2～3;(3) the calculation results are good agrement with experimental results, they can explain the reaction nature of CaO and SO〓 under furnace injection.

计算结果显示：(1)初始SO〓浓度对石灰石利用率存在很大的影响；(2)当Ca／S在2～3之间存在一个最佳值；(3)计算结果与实验结果符合较好，可以反映炉内喷射条件下CaO与SO〓的反应。

The catalysts used in the preparation of di acetone alcohol by the Aldol condensation were studied in detail, and a new kind of catalyst Ca 2/Al 2O 3 is developed.

对丙酮经Aldol缩合制二丙酮醇的催化剂进行了研究，研制出新型催化剂Ca 2 /Al2 O3，这种催化剂对丙酮的缩合反应具有较理想的活性及选择性。

Phytates,the salt form of PA chelating with cations such as K~+, Ca~(2+),Mg~(2+),Zn~(2+) and so on,are mostly accumulated in the aleurone and embryo part of cereal seeds.

植酸是作物种子中含磷最丰富的化合物，占种子干重的1%以上，种子全磷含量的65%-85%和酸溶性肌醇磷酸盐的90%以上，易与K~+、Ca~(2+)、Mg~(2+)和Zn~(2+)等金属离子螯合形成植酸盐，主要沉积在作物的糊粉层和胚中。

On the presentation of Mn-P fixation, this paper reviews the latest advances in recent 10 years and concentrates on the mechanism of phosphorus fixation in acid soils. In addition, it brakes through the classical inorganic P fractionation in to Fe-P, Al-P, O-P and Ca-Pin the traditional P classification and considers Mn-P as one of the main phosphorus fixation modes in latosols, cultivated from the parent basalt material. Furthermore, fixation of P by Fe, Al, Mn is compared, and differentiation from chemical availability and bioavailability of P discussed. Based on the above, this paper presents some alienable measures for enhancing P utilization efficiency and postulates pivotal future research directions in the field of P fixation.

本文以Mn-P的提出为出发点，论述了近10年来对酸性土壤固磷机理研究的新进展，突破了常规P素形态分级研究中分为Fe-P，Al-P，O-P和Ca-P等无机磷测定的经典分级，认为玄武岩母质砖红壤中的Mn-P是P素固定的主要形式之一，进而比较了Fe、Al、Mn对P固定作用，并从P的化学有效性与生物有效性差异等方面进行了比较全面的论述，提出了减少P素固定提高磷肥利用率的措施及今后的重点研究方向。

Alist of the public holidays observed by this office can be viewed on our webiste: www.hongkong.gc.ca.

在我们的网址： www.hongkong.gc.ca 上可以查阅本馆所遵循的公众假期表。

The action mechanism that (NaPO3)6 depresses almandine is two sides: one is that (NaPO3)6 is chemical adsorbed firmly on the surface of almandine and lead to almandine strong hydrophilic. The other is that (NaPO3)6 selectively dissolves Ca(superscript 2+) on almandine surface and makes the surface cations act with the collector lessening.

NaPO36对石榴石的抑制作用存在两种机理：其一，(NaPO3)6与石榴石表面Fe(上标 2+)发生化学键合导致其牢固吸附而使石榴石表面强烈亲水：其二，(NaPO3)6选择性溶解石榴石表面Ca(上标 2+)导致石榴石与捕收剂作用的表面活性质点减少。

In addition, the role of the RER in protein body forming, the role of amyloplast envelope in amyloplast proliferating, the relations between nucleus and cytoplasm of starchy endosperm cells in rice, and the variation of nucleus in plant PCD, the roles of plasmalemma invagination, ER, Ca��� and phosphatases during endosperm development were discussed.

本文对粗面内质网在蛋白体形成中的作用，淀粉质体被膜在淀粉质体增殖中的作用，淀粉胚乳细胞的核质关系，植物PCD中细胞核的变化，以及质膜内陷、内质网、Ca〓和磷酸水解酶在胚乳发育中的作用等进行了讨论。

In conclusion, we detailedly investigated the variation of membrane system (mainly plasmalemma, amyloplast envelope, ER) with the potassium permanganate fixative method, nucleus and organelles with routinely fixative method, and their functions with cytochemical method (localization of phosphatases and Ca���).

综上所述，本文运用高锰酸钾固定法研究了膜系统（主要指质膜、淀粉质体被膜、内质网）的变化，运用常规固定制样研究了细胞核和细胞器的变化，采用细胞化学方法（Ca〓和磷酸水解酶的定位）探索了细胞器和细胞核的功能。

These results suggested that many organella could all develop into amyloplast, variation of amyloplast envelope resulted in amylopast proliferation, RER played an important role in synthesis and deposition of protein, ER showed many functions during endosperm development, intercellular space and plasmalemma invagination played an important role in transportation of nutrients, degeneration of starchy endosperm nucleus was a special PCD, Ca��� and phosphatases played an important role during endosperm development.

上述结果表明：多种细胞器可以趋同发育成淀粉质体，淀粉质体增殖来源于其被膜的活动，粗面内质网在蛋白质的合成与积累中具有重要作用，内质网在胚乳发育中具有多种功能，胞间隙和质膜内陷在营养物质的运输中具有重要作用，淀粉胚乳细胞核的衰退是一种特殊形式的编程性死亡，Ca〓和磷酸水解酶在胚乳发育中起重要作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。