查询词典 aluminium ammonium sulfate

The results indicate that PESA has excellent inhibitive effects to the poor solubility scales such as barium sulfate, calcium sulfate, strontium sulfate and to the calcium carbonate scale is normal.

研究了PESA在油田用水中的阻垢效果，结果表明，PESA对常遇到的硫酸钡、硫酸锶、硫酸钙类难溶垢有着优异的阻垢效果，对碳酸钙也有较好效果。

A catalyst for decomposing an organic halide, characterized as comprising a water-insoluble vanadyl sulfate or as being a composite catalyst comprising the vanadyl sulfate and a specific oxide and a specific sulfate.

一种分解有机卤化物的催化剂，其特征在于包括水不溶的硫酸氧钒或者是包括硫酸氧钒和一种特定的氧化物和一种特定的硫酸盐的复合催化剂。

The experiment including the sheet copper and the sulfuric acid and the aqua fortis mixed acid response preparation cupric sulfate and to the test installation improvement, the cupric sulfate solution and the right amount ammonia water response obtained product appraisal, to the cupric sulfate solution and the ammonia water responded the preparation the sulfuric acid four ammonations copper carries on the composition determination.

实验包括铜片与硫酸和浓硝酸的混合酸反应制备硫酸铜及对实验装置的改进，硫酸铜溶液与适量氨水反应所得产物的鉴定，对硫酸铜溶液与氨水反应制备的硫酸四氨合铜进行组成测定。

Sulfur and Oxygen Isotope in Sulfate ①δ~(34)S values of sulfate in karst water are close to those of evaporite gypsum found incarbonate rock area, which implies that sulfate in karst water comes from gypsum dissolution,not from mantle.

5氦同位素~3He／~4He比值及R／Ra比值的分析表明，岩溶热水的氦同位素主要为大气、壳源氦混合而成，无明显三元混合特征，指示了当地热水中不存在岩溶水与幔源热水的混合。

In this technology the polysaccharide sulfate product having excellent bioactivity is produced with the cotton abounding in the nature as the raw material and through simple chemical reaction. The size and degree of sulfate group substitution of the produced polysaccharide sulfate ester are controllable.

本技术直接利用自然界大量存在的棉花，经简单的化学反应制备具有优良生物学活性的多糖硫酸酯，制备的多糖硫酸酯分子大小可控制、硫酸基团的取代度可控制。

These include the Hamersley iron ore operations in Western Australia; the giant Escondida copper mine in Chile; and its Australian aluminium division comprising the Weipa bauxite mine, the Yarwun alumina refinery, the Boyne Island aluminium smelter and Gladstone power station.

但这也引发了力拓是否正在市场底部出售其"王冠上的宝石"的优质股份，以及中国对这家公司日益上升的影响力是否会造成利益冲突，并限制其未来战略选择的问题。

The high performance brake system features 380 mm vented discs with 8 piston fixed aluminium callipers at the front and 345 mm vented discs with 4 piston fixed aluminium callipers at the rear.

高性能刹车系统的特点380毫米通风盘与8活塞固定铝卡尺于前面，而345毫米宣泄光碟与4活塞固定铝卡尺在后方。

The results show that the brush-plating coating is even and compact from section plane with good toughness and adhesion. The microhardness of the coating is 230.6HV0.5 which is 3 times of cast aluminium substrate. The wear resistance of the coating is 3 times of cast aluminium substrate. But the friction coefficient of the coating is 0.70 which is more high than that of the substrate, which is favorable for the fixed conjugate between the axis sheath and the axis seat of the gear-box.

结果表明，镀层厚度分布均匀、致密，镀层与基体界面清晰，未出现氧化物夹层，镀层的韧性和结合强度均较好；测得碱性铜及铸铝基体的显微硬度分别为230.6、74.2HV0.5；碱性铜的镀制使基体表面显微硬度及耐磨性均提高了2倍多，磨损状况明显改善。

If all goes well, the stateowned aluminium major is planning to invest Rs 15,000 crore on setting up a greenfield aluminium smelter and power plant.

如果一切进展顺利的话，国家铝业公司计划投资1500亿卢比在印尼投建一铝冶炼厂和一发电厂。

Fluorine turns a kind of salt is refine aluminium important and auxiliary material, main product melts aluminium for cryolite and fluorine.

氟化盐是炼铝的一种重要辅助材料，主要产品为冰晶石和氟化铝。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48