查询词典 waste water

The invention utilizes fresh water scaleless fishskin for the production of collagen, and has the advantages of simple and fast method, very beneficial effects for the processing level of the waste materials of aquatic products, and great economic benefit.

本发明利用淡水无鳞鱼皮制取胶原蛋白，方法简单快速，对于提高我国农、畜、水产品的下脚料的加工水平是十分有益的，并会产生很大的经济效益。

He effects of using sulfite paper making waste,mirabilite and high-effeieney water reducer as composite grinding aids on the grinding efficiency and properties of cement were studied experimentally.

利用亚硫酸盐纸浆废液、芒硝和高效减水剂作复合助磨剂对水泥粉磨效率及其性能进行了试验研究。

The obtained composite scaffold materials must have great biocompatibility, which could influence neuraxon regeneration and structure. An evaluation of permeability in varying molecules was a key factor to determine input of nutritive materials and output of metabolic waste. Expansion of scaffold should be understood under spinal cord water environment, because the expansion might press regenerated nerve.

不论用哪些材料，所制成的复合支架都要具有生物相容性，这在宏观和微观上都影响神经轴突再生的能力和结构；对不同大小分子的渗透性是评估营养物质进入支架和代谢废物排出的关键性能；要清楚支架在脊髓水环境中的膨胀程度，使其保持在合适的位置而不压迫再生的神经。

Noncondensible gas(7%～33%,consisting of CO,CO2,H2 and C1-C2 hydrocarbons),liquid(water and oil phases,26%～45%)and solid residues(31%～51%)were collected after microwave heating of waste PCB.

结果显示：微波热解得到的气体、液体、固体的产率分别为7%～33%、26%～45%、31%～51%，其中气体主要由CO、CO2、H2及有机烃类组成，可燃性气体占70%左右，可作为燃料气加以利用；液体分为水相及油相，经常压蒸馏后得到的120～250℃馏分主要为单酚化合物，苯酚高达50%左右，甲基苯酚和邻甲基苯酚为25%以上，是良好的化工原料；固体中除炭外，还含有许多金属如铅、锡和铜等，可以回收利用。

A new preparation method of high efficient flocculant polysilicate ferrite with waste iron residue and water glass was studied,and the reasonable production process and operation conditions were determined.

研究了以废铁渣、硅酸钠为原料，制备高效絮凝剂聚硅酸铁的方法，确定了合理的生产工艺和操作条件。

The lack of water resource and the low disposal quotiety of industrial liquid waste, which still cannot achieve the requirement of the economic sustainable development, are lasting and essential restricting factors to economic sustainable development, too.

分析了甘肃水土资源对社会可持续发展的作用：①甘肃水土资源通过对区域经济系统的作用间接对社会可持续发展产生的作用。

The synthesis of water reducing agents from phenanthrene waste by sulfonation,condensation,neutralization and recondensation has been studied by the orthogonal test.

利用正交实验通过磺化、缩合、中和、再缩合反应对菲渣制取水泥减水剂进行了研究，优化了主要工艺条件，制备出的减水剂减水率可达17.5%。

In order to modify the dense of the hydrophilic groups of the superabsorbents, as well as reutilize wast polymer , a rigid and hydrophobic polystyrene chain have been introduced into the superabsorbent, and novel superabsorbent nanocomposites based on partially neutralized acrylic acid, waste polystyrene foam and sodium type montmorillonite powder have been synthesized. The properties of the superabsorbents, effects of various main factors on water absorbency have been systemically investigated. The structure, surface morphology and thermal stability of the composites were characterized by FTIR, XRD, SEM and thermo gravimetric analysis.

为了改善高吸水性树脂亲水基团的密度，同时以废塑料资源化再利用为目的，将刚性、疏水的聚苯乙烯引入到高吸水性树脂中，成功制备了废旧聚苯乙烯泡沫/丙烯酸/蒙脱土高吸水性树脂，并对所制备的高吸水性树脂的各项性能、吸水倍率的诸影响因素进行了系统讨论研究，同时也通过FTIR、XRD、SEM、热重分析等物理手段来表征复合高吸水性树脂的结构、表面形貌、热力学稳定性等性能。

Continuously delimits the long-base method with the plate to pick from 234 from Xi'an each place (Hu Xian, Xianyang, north thunder and so on) the soil sample, the water sample, the mess as well as the vinegar factory waste residue in and so on separated obtains 5 to be able to use the straw stalk fermentation production single cell protein the saccharomycetes.

用平板连续划线法从234份采自西安各地的土样，水样，苔藓以及醋厂废渣等中分离得到了5株能利用秸秆发酵生产单细胞蛋白的酵母菌。

Seventhly, speed up the projects of urban solid waste treatment, raise the level of innocuous treatment and reduce the underground water pollution.

这个行业标准应该说是偏严格的一项标准，它的主要指标刚才仇部长已经讲了，比1985年的国标增加了48项。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。