查询词典 chelate

Therefore can pass to use the cupric sulfate sulfuric acid potassium for the catalyst take sulfuric acid as to carry the body to digest it, make the amino acids chelate match the conversion for dissolve sex easily of ammonium sulfate and white vitriol, then absorb a fixed amount to try the kind to join 40% sodium hydroside combine under the steam heat function make ammonia the spirit swims to leave out, through cool off to respond the born boric acid with boric acid, be got the total nitrogen content by the standard aqua titration of hydrochloric acid immediately after;But the white vitriol can immediately join the hydrochloric acid hydroxylate , fluoride to turn the in order to cover up, carry on the titration but get the content of its zinc with the EDTA mark liquid..

因此可以通过用硫酸铜硫酸钾为催化剂以硫酸为载体将其消化，使氨基酸螯合锌转化为易溶性的硫酸铵和硫酸锌，然后吸取一定量的试样加入40 %的氢氧化钠并在水蒸气高温作用下使氨气游离出来，经冷却与硼酸反应生成硼酸铵，接着由盐酸标准溶液滴定得到总氮含量；而硫酸锌即可加入盐酸羟铵、氟化氢铵为掩蔽剂，用EDTA标液进行滴定而得到其锌的含量。

For thecrystal in MeOH, X-ray single-crystal analysis reveals that each Schiff base provideone iminic N, one phenolic O and one hydroxylic O to chelate the four Cu andthus resulted in a pseudo-cubane structure. Different from the crystal obtained inMeOH, each Cu are tetra-coordinated not penta-coordinated.

充分证明了所设计的Schiff碱配体是一种桥联配体，不仅在配位形式上有多样性，而且在晶体排列方面也应具有多样性，是构建具有新颖物化性质及结构的超分子聚集体的良好前体。

Two qina ligands chelate a cobalt ion by 0 and N atoms and two DMSO ligands coordinate a cobalt ion by two O atoms at an axis. The complex formed inerratic octahedron configuration, and π-π stacking weak interaction was observed between the molecules.

配合物为单斜晶系，P2(1)/C空间群，2个qina配体以氮原子和氧原子与Co离子螯合配位，2个DMSO以氧原子与Co离子轴向配位，形成规则的八面体构型配合物，分子之间存在π-π堆积弱相互作用。

This result is different from the usual reactions catalyzed by metallophthalocyanine and other macromolecule such as Schiff base metal chelate, where the ketonic component is acetone.

此一结果同通常酞菁或其它如西弗碱大分子金属络合物催化下生成丙酮和酚不同。

The obtained peptide can eliminate free radicals, inhibit linolic acid peroxidation activity and chelate metallic ions, thereby having the advantages in terms of nutrition and healthcare.

该产品所用原料来源广泛，成本低廉，方法简便，无毒安全，所得产品能够清除自由基，抑制亚油酸过氧化活性，螯合金属离子，具有营养和保健两方面的优越性。

Syntheses,Crystal Structures and Properties of Multinuclear Ferric Complexes with Organic Carboxylates and N, N-chelate ligand

论文标题：含铁有机酸根和N，N-双齿配体形成的多中心配合物的合成、晶体结构及性质研究

In the medium of HAc-NaAc, Th~(4+) canbe combined with HTTA to form a comparatively steady ternary chelate whichwill be adsorbed and preconcentrated on the mercury electrode and determined bycathodic stripping voltammetry.

在HAc-NaAc介质中钍离子Th~(4+和噻吩甲酰三氟丙酮形成较稳定的三元络合物，先吸附富集在悬汞电极上，后采用阴极溶出伏安法检测痕量钍。

Other types of titanate are chelate (for greater stability in wet environments), quat (water-soluble systems), coordinate and cycloheteroatom.

其它类型的钛酸酯是螯合型、水溶型、配位型和杂环原子型。

Salicylaldehyde and its derivatives often produce a formation of Schiff base metal chelate. They are special anti-cancer, anti-inflammatory, sterilization matters. At the same time because of therir structure similar to porphyrin ring, they can set of oxygen and simulated biological effect, So many scientist take interest in this field.

水杨醛及其衍生物与某些伯胺类化合物缩合形成的 Schiff 碱及其金属螯合物，具有特殊的抗癌、抗炎、杀菌、抑霉等活性，同时由于其结构类似于卟啉环，有较好的载氧和模拟生物酶的催化作用，已经引起了各国化学家的广泛兴趣。

CH3OH has been designed, synthesized and characterized by X-ray diffraction analysis. In this dinuclear complex, it is worthy of notice that the source of tridentate chelate atoms (1N2O) of IDA is different from that of the reported complex.

合成过程中，我们还首次得到了与1，10-邻菲咯啉及亚氨基二乙酸络合的铜的不对称双核配合物晶体。

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。