1. Hardness is caused by divalent metallic cations.
硬度是由一些两价金属阳离子引起的。
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2. Heats of hydration of divalent transition metal cations.
元素离子水化热等。
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3. The dose of anti-acid-alkali divalent ions in any water does not precipitate.
本剂抗酸抗碱抗二价离子，在任何水质中不沉淀。
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4. The possibilities of formation of complex compound between divalent iodates have been studied.
对二价碘酸盐之间形成复盐的可能性也进行了探讨。
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5. Two novel divalent transition metal disulfonates were synthesized and characterized by X ray single crystal diffraction.
合成了两个二价的过渡金属磺酸化合物，并通过X-射线衍射单晶结构分析进行结构表征。
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6. The stability of hydrated divalent iodates is expected to be related to the electronegativity of the corresponding cations.
并讨论了二价碘酸盐水化物的稳定性与阳离子电负性的关系。
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7. So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's only divalent.
显然这看起来是一个问题，因为我们知道实际上，甲烷是四价的，而这告诉我们它仅仅是二价的。
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8. Calcium alginate gel beads were widely used as drug carriers, which were obtained by the gelation of sodium alginate with divalent cation as Ca2 +.
目前，海藻酸钠与二价钙离子交联反应形成的海藻酸钙凝胶小球作为药物的载体日益受到广泛的应用。
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9. The systems include pectin beads crosslinked with zinc or any divalent cation of interest, which beads are then coated with Eudragit TM -type polymers.
所述系统包括与锌或任何目的二价阳离子交联的果胶珠粒，所述珠粒然后用型聚合物包被。
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10. Conclusion the divalent vaccine containing the antigens MPT83 and MPT64 effectively heightens the protective efficiency of vaccine against tuberculosis.
11. This divalent cation is released from presynaptic vesicles into the synaptic cleft upon neuronal activity and acts as a modulator of many ligand-gated ion channels.
锌离子随着神经元的活动从突触前膜的囊泡中释放到突触间隙，对突触内受体进行调控。
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12. Oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.
氧化剂的制造是将二价无水醋酸锰溶于冰醋酸中，用高锰酸钾将其氧化成三价醋酸锰。
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13. Objective To investigate the effects of iron on the expression and regulation of divalent metal transporter 1 (DMT1) that may play an important role in the physiological brain iron metabolism.
目的探讨在脑铁代谢中发挥重要生理作用的二价金属转运蛋白1 (DMT1)的表达及其调控机制。
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14. Objective To investigate the effects of iron on the expression and regulation of divalent metal transporter 1 (DMT1) that may play an important role in the physiological brain iron metabolism.
