查询词典 acid value

Effects of ratio of p chlorophenol to 2 chloroacetic acid,reaction temperature,reaction time and pH value on the reaction were studied.

对原料配比、反应温度、反应时间和溶液pH值等各种反应条件的影响作了详细研究。

The influence factors of this method such as, the quantity of water, PH value, temperature and the quantity of citric acid were studied.

对该工艺的影响因素：水量、PH值、温度和柠檬酸的量进行了初步讨论。

Effect of compound packaging material on acid number and peroxide value of Cantonese cured meat during storage was studied in this research.

通过不同复合包装材料NY/PE、PET/AL/NY/PE、PET/PE在广式腊肉中的应用，研究了对广式腊肉过氧化值和酸价的影响。

Additional, still contain fruit acid, mineral with vitamin C, this shows, preserved fruit confiture is the food with nutrient very high value.

矿物质和维生素C，由此可见，果脯蜜饯是营养价值很高的食品。

The preliminary results showed that the atmosphere contaminator mainly contained SO\-2, NO\-\%x\% and suspended granule. Which caused large area acid rain with high frequency. As pollution became more serious, there were decreases in pH value and increases in the content of SO\+\{2-\}\-4 and Al\+\{3+\} in forest soil; the chlorophyll concentration also would decrease...

初步结果表明：大气污染引起珠江三角洲地区发生大面积、高频率的酸雨，主要的污染物有SO2 、NOx、悬浮颗粒物等；随着污染程度的增大，森林土壤pH值降低，SO2 - 4和Al3+质量浓度增大；马尾松、湿地松叶片叶绿素含量降低，生长衰退甚至死亡；但不同树种对大气污染敏感程度不同，种植马占相思比马尾松更能增加林地对酸雨缓冲力和提高土壤肥力。

The best decolorization conditions for 50 mL dye wastewater by modified corncob are determined as follows: pH value 2, adsorption time 30 min and 60 min to direct deep blue and acid red, initial concentration 50 mgL^(-1), and adsorbent dosage 1.0 g.

改性玉米芯对50 mL印染废水脱色的最佳处理条件为：pH值2、对酸性大红和直接深蓝的吸附时间分别为60 min和30 min、初始浓度50 mgL^(-1)、吸附剂用量1.0 g。

Because of the fuel-rich propellant's high heat value and combustion temperature, the common stainless steel crucible and oxygen bomb's parts are always burned in the combustion heat testing process. In order to realize the proper testing of combustion heat, some fireproof materials characteristics and their application in the combustion heat testing of fuel-rich propellant were studied. Those fireproof materials include acid washing asbestos, C/C compound materials, Al2O3 chinaware and tungsten crucible.

含金属富燃料推进剂由于热值高、燃温高，在燃烧热测试过程中普通的不锈钢坩埚及附件经常被烧毁，为了正确测试金属富燃料推进剂燃烧热，对酸洗石棉、碳／碳复合材料、Al2O3陶瓷坩埚和金属钨坩埚的基本耐烧蚀特性和在金属富燃料推进剂燃烧热测试中的应用进行了实验研究。

So for the material resistance to corrosion by sulfuric acid dew point is very important to study the theoretical significance of the actual value, its future development prospects will very broad.

因此对于金属材料抗硫酸露点腐蚀的研究有着非常重要的理论意义各实际应用价值，其未来的发展前景必然十分的广阔。

In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.

试样以盐酸溶解后，在酸性介质中，先以氯化亚锡将三价铁大部分还原为二价，然后在钨酸钠指示下，再以三氯化钛将剩余的三价铁还原为二价，过量的三氯化钛以重铬酸钾氧化消除干扰，在硫磷混合酸存在下，以二苯胺磺酸钠为指示剂，用重铬酸钾标准溶液滴定全铁量。

If they could eat with a linoleic acid-rich oils with excellent food, its nutritional value will be enhanced.

如果他们可以吃的亚油酸具有优异的食物丰富的油，其营养价值将得到加强。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。