盐的

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 result shows that the changing law of saliferous reservoir parameters is a nonlinear relationship with several variables, and it is a very complicated process.

研究结果表明，高含盐油藏储层参数变化呈多元非线性函数关系，变化规律复杂；渗透率变化存在临界值，大于临界值时，渗透率随着驱替速度、驱替量和含盐量的增加而增大，小于临界值时，渗透率随着驱替速度、驱替量和含盐量的增加而减小；注入水性质会对参数变化过程有影响，而对最终变化结果无影响；盐的溶解是储层参数变化的根本原因，岩石颗粒的脱落和运移是储层参数变化的直接原因。

Both three-dimensional chiral compounds have intriguing chiral channels, which are built up of homochiral intertwined double helices. The circular dichroism spectra of 1 and 2 in water have shown they are stable in solution, which document they will be significantly useful in asymmetric catalysis and chiral medicine.

以Keggin结构多金属氧酸盐为建筑单元，通过手性的铜-脯氨酸配合物作为模板剂构筑了2个基于Keggin结构多金属氧酸盐的3D纯手性化合物，化合物1和2是一对对映体，代表了世界上第一例3D手性多酸化合物，具有由同手性螺旋缠绕形成的手性孔道，水溶液中的圆二色谱表征这个3D手性化合物可稳定存在，显示这个物种可以在不对称催化及手性药物方面有潜在的巨大的应用价值。

To reduce the salt in the food means less sodium chloride, which will lead to the flavor loss, therefore, more and more food enterprises add YE to enable the low-salt food to maintain mellower taste.

降低食品中的盐就是降低了氯化钠的用量，因而会导致鲜味下降，越来越多的食品企业采取添加YE的方法使得低盐的食品保持更醇厚的美味。

In a product free of citric acid or citrates, for oral ingestion, the taste of arginine is counteracted by lactic, malic or adipic acid; in a formulation for tube-feeding, citric acid and citrates in a specified ratio controls the product's stability.

在不含柠檬酸或柠檬酸盐的用于口服的产品中，通过乳酸、苹果酸或已二酸来抵消精氨酸的味道；在用于管饲的制剂中，以特定比例的柠檬酸和柠檬酸盐控制产品的稳定性。

In crystals the heteropolyanionremains its Keggin structure, the Ⅱ-type organic molecules pack in one-dimension stack developing along the [100] direction with a tetrad as repeat unit,the longer distance between tetrads and uneclised stack cause their poorconductivity.

根据已知结构的荷移盐和未测单晶结构的荷移盐的X射线粉末衍射图的比较，推断它们具有相似的晶体结构，并给出相应的化学式：〓。

In addition, compared with starting POMs, BET surface areas of the POM-containing porous composites have been improved in the different extents.

与母体多金属氧酸盐相比，复合材料的BET比表面积有了不同程度的提高，其中，微孔多金属氧酸盐的比表面积提高的幅度最大，为350～1000m〓／g。

A great amount of simple salt could weaken the effect of HPAM. When the hydrolysis degree of HPAM became higher, more simple salt was needed to screen the effect of HPAM thoroughly.

大量简单盐的加入会屏蔽HPAM的作用，而且当HPAM的水解度越大，为了完全屏蔽高分子作用，需要加入简单盐的量也越多。

There was a great deal of chlorine salt ions in blast furnace gas dusted with cloth bag,which directly affected safety running of blast furnace gas network and normal usage of users.

布袋除尘高炉煤气中存在大量的氯盐离子，直接影响了高炉煤气管网的安全运行和用户的正常使用，就氯盐的主要成分及如何降低其对管网和用户的影响进行了探讨。

The plant's location remains the biggest headache, and experts have not ruled out Port Phillip Bay, despite concerns over the effects of salty discharge after desalination.

水厂的选址目前依然是最头痛的事。尽管专家们对海水脱盐后盐的分解效果有争议。但并不排除将厂址设在Port Phillip海湾的可能性

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。