查询词典 acid salt

A type of modified methyl benzene sulfonic acid sodium salt was synthesized by Friedel-Crafts reaction,knoevenagel reaction and sulfonation reaction with methyl benzol as row material.

以甲基苯为初始反应物，通过付-克反应，knoevenagel反应，磺化反应，最后合成一种改性甲基苯磺酸钠。

A salt of pyrosulfuric acid.a medium for oil-paints; linseed oil mixed with mastic varnish or turpentine.

一种油画颜料的溶解液，由亚麻子油和乳香、清漆或松节油混合而成。

Similar lamellar hybrids can be obtained from octa(y-chloroammoniumpropyl) polyhedral oligomeric silsesquioxanes dodecyl benzene sulfonic acid sodium salt C_(18H_(29)NaO_3S, DBSS. Further research shows that different POSS to surfactant ratios result in different arrangement of layers: when there exists excessive POSS, the layer is arranged in a "Alkyl-POSS-POSS-Alkyl" sequence; while on the contrary, the layer is in "Alkyl-POSS" sequence.

实验研究表明，通过调整POSS和表面活性剂的物质的量比例可以改变片层结构，发现当POSS成分大大过量的时候，片层重复单元按照&烷基-POSS-POSS-烷基&顺序排列，对应较大的层间距；当表面活性剂成分大大过量的时候，片层重复单元按照&烷基-POSS&顺序排列，对应较小的层间距。

After further testing, they speculated that the baby was due to the intake of fat and protein content ratio imbalance in the body caused by abnormal metabolism of purine base and then produce uric acid and salt crystallization in the upper urinary tract obstruction after the formation of kidney stones, leading to kidney failure.

经过进一步检测，推测这些婴儿是由于摄入的脂肪和蛋白含量比例失调，引起体内嘌呤碱代谢异常，继而产生尿酸和尿酸盐结晶，在上尿路梗阻后形成肾结石，导致肾衰竭。

It is made generally with mixed salt of triethanolamine and ammonium hydroxide, twelve-acid isopropyl alcohol amides, for malde-hyde, polyvinyl chloride, wool oil, spice, pigment and water as raw materials.

一般采用硫酸脂肪醇的乙三醇胺与氢氧化胺的混合盐、十二酸异丙醇酰胺、甲醛、聚氧乙烯、羊毛脂、香料、色料和水作为原料。

The present invention relates to modifying activator used in flue-curing tobacco and spraying method for said activator. The activator consists of solid matter and water, and the solid matter includes potassium salt, cane sugar an boric acid. The activator is sprayed with a sprayer onto tobacco to be initially flue-cured, and the initial flue-curing stage is one at the dry bulb temperature of 50-56 deg.c, wet bulb temperature of 38-41 deg.c and time of over 24 hr to increase the content of fragrant matter in tobacco.

本发明涉及了一种烘烤烤烟烟叶中使用的调质活化剂和该活化剂的喷洒方法，该活化剂由固体物质和水组成，所述的固体物质含有钾盐、蔗糖和硼酸，用喷雾器将上述活化剂以雾化的方式均匀地喷洒至即将进入初烤阶段的烟叶上，烟叶是已编上竿、准备进入烤房的烟叶，初烤阶段的干球温度在50-56℃，湿球温度为38-41℃，烘烤的时间延长至24小时以上，以增加烟叶的香气物质的含量。

In acid and salt solution,TiN shows an excell ent corrosion resistance after 100 h immersing test.TiN coating acted as a physi cal barrier between the stainless steel and corrosion media.The corrosion proces s initiated from the pinhole and the corrosion process under the coating is very similar to the pit corrosion form.

结果表明：TiN涂层可以提高材料在中性和酸性溶液中的耐蚀性能，TiN涂层的保护机制为物理屏障作用；镀层的微观结构缺陷是涂层失效的主要原因，涂层下金属的腐蚀行为与孔蚀类似。

Vinylbenzenesulfonic acid sodium salt hydrate, tech.

90% 苯乙烯磺酸钠

The experiment is based on self-devised dilute acid hydrolysis device and takes corn straw as the raw material. The orthogonal test was used to optimize 4 factors, namely H2SO4 concentration, corn stover granularity, the melt salt catalyst species and concentration. The yield of oligosaccharide was used the index in the orthogonal test.

该文基于自行设计的高温高压反应装置，以玉米秸秆为原料，以还原糖得率为指标，采用正交实验设计对硫酸浓度、秸秆粉碎度及金属盐助催化剂种类与浓度四种水解条件进行了研究。

Sodium malate and 1-Naphthyl phosphoric acid sodium were used as substrates. NBT and fast blue RR salt were used to stain MDH and ALP respectively.

鄄萘磷酸钠盐为特异性底物，氯化硝基四氮唑蓝和固蓝RR盐为染色剂，分别对MDH和ALP染色，以相对迁移率标记酶带。

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。