草酸盐

Precipitation oxalate method and its application in preparing powder materials.

草酸盐沉淀法在制备粉体材料中的应用。

Formation mechanism of particles; morphology and size control; nickel and cobalt oxalates; rhombohedron and fibre morphologies

工程科技I，化学，无机化学颗粒形成机理；形貌与粒度控制；镍钴草酸盐；菱柱状与纤维状形貌

In this experiment, high quality PTC powder was prepared by oxalate coprecipitation process.

本实验采用草酸盐共沉淀法制备含掺杂物的高性能PTC粉体。

The essence of higher heating temperature for oxalate precursor is pockety La(superscript 3+) and Zr(superscript 4+).

草酸盐前驱体中镧和锆两种成分局部的分布不均匀是造成其处理温度比氨水法要高的直接原因。

Oxalate stones have now become an increasingly common side effect of treatment for struvite crystals.

草酸盐结晶已成为治疗鸟粪石结晶时常发生的一个副作用。

Prolong bake time can improve weatherproofing of oxalate coating.

延长烘烤时间，草酸盐转化膜的耐候性提高。

The results showed that the best luminescence material NaYF4: Tm(superscript 3+), Yb(superscript 3+) can be obtained by selecting H2C2O4 as precipitator. The siring at 600℃ for 5h.

研究结果表明，采用H2C2O4为沉淀剂制成草酸盐前躯体，然后在600℃下煅烧5h，即可得到发光效果较好的NaYF4：Tm(上标 3+)，Yb(上标 3+)材料。

In particular, a process for the synthesis of nanopowders of various materials such as metals, alloys, ceramics and composites by induction plasma technology, using organometallic compounds, chlorides, bromides, fluorides, iodides, nitrites, nitrates, oxalates and carbonates as precursors is disclosed.

具体地，公开了一种通过感应等离子体技术合成各种材料，例如金属、合金、陶瓷和复合物的纳米粉末的工艺，使用有机金属化合物、氯化物、溴化物、氟化物、碘化物、亚硝酸盐、硝酸盐、草酸盐、碳酸盐作为前驱体。

A coarse annual herb introduced into North America from Siberia; dangerous to sheep and cattle on western rangelands because of its high oxalate content.

从西伯利亚引种到北美的一种粗糙的一年生草本植物；因为其具有高草酸盐，所以对美国西部牧场的牛羊有害。

Phytates, oxalates and phosphates present in plant foods can inhibit absorption, as can tannin in tea.

Phytates ，草酸盐和磷酸盐在植物性食品可以抑制吸收，可以在茶单宁。

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。