锰的

The invention discloses a method for measuring seawater chemical oxygen demand by photometry, wherein the seawater exemplar is first pre-processed, then using the basic potassium hypermanganate as reaction system, the potassium permanganate is deacidized quantitatively by organics to produce manganate, using pure water or margin solution as reference ratio, measuring the absorbance an of the manganate at its maximum absorbing wave length 430 nm, drafting the A-COD value operating curve, obtaining the concentration of the organics in the water, i.e.

本发明公开了一种对海水化学需氧量进行测定的光度测定法，该方法首先将海水样品进行预处理，再以碱性高锰酸钾为反应体系，这样海水中的有机物在强碱性介质中与过量的高锰酸钾迅速反应，高锰酸钾被有机物定量还原后生成锰酸盐，以纯水或空白溶液作参比，在锰酸盐的最大吸收波长430nm处测其吸光度A，该吸光度A与海水样品中的有机物的含量具有正相关关系。

The invention relates to a way to prepare nickel, manganum and cobalt hydroxide. The method includes making the mixed solution a coprecipitate with mixed solution B in base solution C. The mixed solution A contains nickel salt, manganese salt and cobalt salt, the mixed solution B is a strong base solution, the base solution C is aqueous ammonia solution. The solution A also contains ammonium salt while solution B also contains aqueous ammonia; besides, after being mixed, the molarity of ammonia in solution A and solution B is the same with that in solution C.

一种镍锰钴氢氧化物沉淀的制备方法，该方法包括将混合液A和混合液B在底液C中进行共沉淀反应，所述混合液A中含有镍盐、锰盐、钴盐，所述混合液B为强碱溶液，所述底液C为氨水溶液，其中，所述混合液A中还含有铵盐，混合液B中还含有氨水，并且参于等当量反应的混合液A中的铵盐与混合液B中的氨水在混合液A和混合液B混合后氨的摩尔浓度与底液C中氨的摩尔浓度相等。

In a word, with the manganiferous waste water produced from the manufacture of 1 ,4-dihydroxy benzene as raw material, preparation of high-purity manganese ~ carbonate is feasible in technicality, reasonable in process and considerable inAeconomic benefit.

总之，以对苯二酚生产中副产的含锰废水为原料，生产高纯度碳酸锰在技术上是可行的，工艺上是合理的，经济效益是可观的。

The higher the concentration of manganese sulphamate in the electroforming electrolyte, and the lower the tem- perature of the electrolyte, the more manganese content is in the layers.

在复杂形状零件进行Ni—Mn合金电铸时，选择较低的电解液锰盐浓度、较高的电解液温度和合适的脉冲电流脉宽等工艺条件，有利于改善电铸层锰含量分布的均匀性。

After analysis of present trade ways and problems faced, the countermea- sures for developing China Manganese base ferroalloy industry were pointed out too.

论述了目前我国进口锰矿加工贸易对锰系铁合金工业的重大支持作用，分析了目前进口锰矿加工贸易的方式和存在的问题，提出了发展我国锰系铁合金工业的一些对策。

Part 6 explores the reaction system containing O-phthalate, Mn〓 and α,α'-diimine, and yields six novel complexes 16～20 possessing binuclear and tetranuclear matello-crown aether as well as 1-D linear structures, indicating that O-phthalate is a potentially useful ligand to give manganese species in a discrete form.

研究了邻苯二甲酸/锰/双齿亚胺（2，2'-联吡啶和1，10-邻二氮杂菲）的反应体系，合成出6个新颖的双核、四金属冠醚和一维线性结构的化合物16至20，表明邻苯二甲酸是合成有限核数锰簇的有用配体。

In this paper, a total of 56 relatively nonpoint source pollution sediment samples were collected from the tidal flats of the Jiuduansha shoal and the Chongming island of the Yangtze river estuary. The main properties i. e., grain size distribution, contents of DCB (dithionite citrate bicarbonate extracted iron Fe(subscript d, AAO extracted iron Fe(subscript o, total Fe, DCB extracted Mn Mn(subscript d, total Mn, organic matter, magnetic susceptibility of the samples, as well as the concentrations of Cu, Zn, Pb, Cr, Cd and Ni in the samples, were determined. Basing on the data, the relation of the sediment properties to heavy metal concentrations was evaluated with pearson's rank and partial rank correlation analysis.

采集长江口无明显点源污染的崇明东滩和九段沙潮滩56个沉积物样品，测定沉积物原样和粘粒中Cu，Zn，Pb，Cr，Cd和Ni的含量以及沉积物的主要性状（粒径分布、游离铁、活性铁、总铁、游离锰、总锰、有机碳和磁化率等），以相关分析和偏相关分析研究沉积物中重金属含量与沉积物主要性质之间的关系。

The sensors had high sensitivity. Their sensitivity was about twice of that of other thin film manganin gauges and was very close to that of foil gauges.

传感器的灵敏度高，约为其他单位研制的薄膜锰铜计的1倍，而与现用的低GPa的箔式锰铜计的灵敏度相近。

In the early stage of experiment, an in-material thin film manganin gauge was studied. This in situ gauge was manufactured by single-step thin film processing, namely, manganin piezoresistance element was prepared on inorganic substrates such as ceramic, microcrystalline glass, etc by sputtering.

在实验的初期，本文还研究了&在位式&的锰铜薄膜传感器，即首先在陶瓷或微晶玻璃基板上沉积锰铜敏感元件，然后用粘贴PTFE薄膜的方法完成传感器的封装。

A portion of the electrolysed solution can be removed as a bleed stream from a cathode compartment of an electrolytic cell of the electrolysis process and processed to remove manganese as manganese dioxide precipitate by adding thereto limestone, and the halide species from an anode compartment of the electrolysis process.

部分电解溶液可以作为来自电解过程的电解槽的阴极室的排出液，并通过添加石灰石和来自电解过程的阳极室的卤化物处理，以二氧化锰沉淀物形式除去锰。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新