硫酸盐

This paper mainly deals with these two parts:l.the effect of hydrosoluble HP,fibermesh and FDN on cement mortars bend resistant strength and compressive strength under the same operating conditions and with different HP mixtures;2.the effect of HP,FDN moderator,fly ash on the durability of concrete.that is the performance of resisting osmose,erosion and freeze thawing.

研究了HP水溶性高分子"纤维"、FDN高效减水剂与粉煤灰双掺配制的高性能混凝土的耐久性(抗渗透、抗硫酸盐侵蚀、抗冻融性能)。试验结果表明：HP水溶性高分子"纤维"对水泥砂浆和混凝土具有显著的增韧、增强作用，且水泥砂浆的抗压强度随着HP水溶性高分子"纤维"掺量的增加(2%-6%)而提高，抗折强度则降低；在混凝土中加入HP水溶性高分子"纤维"后，抗压强度随着掺量的增加2。

Detection limits of improving GB/T 5009.34 method, pararosaniline hydrochloride spectrophotometric determination of sulfites in foods, is 1.00mg/kg.

本文首次报告用改进GB/T5009.34食品中亚硫酸盐盐酸副玫瑰苯胺法。

The inhibition of phosphine to sulfate reduction by glucose was more serious than that by acetate.

磷化氢对以葡萄糖为基质的硫酸盐还原抑制程度较高。

We can supply a large number of phosphorus trichloride for exporting. Do as your special requests with the content of Arsenic, Fe, Plumbum, Sulphate and other materials.

我公司可大批量生产供应，用于出口的对砷，铁，铅，硫酸盐等不同含量的三氯化磷。

Dr. West's Poison Ivy, Oak, Sumac Cleanser is the most common manganese sulfate solution available for treatment of Rhus rashes.

西方博士毒药常春藤、橡树， Sumac 使清洁的东西是最通常的锰硫酸盐 Rhus 的治疗可用的解决轻率的。

Polyatomic ions containing oxygen, such as carbonate and sulfate, are called oxyanions .

多原子含有氧离子，如碳酸盐和硫酸盐，被称为

The results showed that two kind of SRB both shitted corrosion potentials to become much positive,but the variation of corrosion potentials caused by two kinds of SRB is different obviously,and thereby the difference of effect on corrosion was produced.

本文选取两艘不同地区船舶舱底污水中的SRB，研究了两种不同形态的硫酸盐还原菌对腐蚀的影响。1实验方法菌种来源。

Is better than that of using Na〓S merely and the profit per year is over 6, 000, 000 yuan. External potential-control flotation column and The Cu-Mo bulk concentrates flotation separation. With appropriate combination of the principle of sulphide flotation pulp electrochemistry and the technology of flotation column show the advantage over flotation equipment, External potential-control flotation column was studied successfully, laboratory potential-control flotation column was designed and its structural principle, the relationship of electrode structure and the activity of separation, the electrochemistry principle of potential-control flotation column also was investigated.

用具有较强电化学还原能力的无机物（如硫化钠、连二亚硫酸盐等）与能和硫化铜矿物表面发生选择性吸附的小分子有机化合物组合使用、成功地实现了混合精矿体系中黄铜矿的抑制、解决了德兴铜矿铜钼混合精矿浮选分离时、硫化钠用量大、生产成本高，生产指标不稳定的技术难题，研究结果表明，用组合抑制剂3.8kg/t可取代生产中硫化钠45kg/t的高用量，并获得优于单用硫化钠的好指标，年直接经济效益600万元以上。

Among these particles, the prismy crystals and regular cubic crystals were specifically identified as sulfates of Ca and NaCl from sea salt respectively. But the spherical, fractal and sheet-like particles have very diverse compositions. b The composition of fractal particles is the most complicated, and that of spherical ones is less complex.

其中，棱柱形长棒晶粒和规则的立方形晶粒具有特定的组成，分别为钙的硫酸盐和来自海洋的NaCl晶体，而球形、块状和片状颗粒元素组成变化较大。b块状颗粒的化学成分最为复杂，球形颗粒其次。

Removal rate of SO(superscript 2- subscript 4) was up to 28.81% when propionate is the sole carbon source.

SRB-ZH07在有氧和无氧条件下都能生长，但只有在无氧条件下才能有硫酸盐的去除率。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。