查询词典 acid value

In order to research the effect of pH value to properties on coating, on the base of middle-temperature electroless nickel-phosphorus alloy technique, Ni-P alloy has been electrolessly deposited from a acid bath containing sodium acetate as a paregoric and lactic acid and another acid as compound complexing agent.

为了研究pH值对镀层性能的影响，采用中温化学镀镍工艺，以醋酸钠为缓冲剂，以乳酸为络合剂，在酸性体系中化学沉积镍－磷合金。

The results showed that the red pigment belonged to anthocyanidin, it was soluble in water, stable against heat treatment, light, acid and sugar concentration, tolerant to reduction, but sensitive to alkaline, oxidation and Fe(superscript 3+). The research also showed that acid medium is favorable for extraction. The pigments have more general stability in acid medium and have high ufility value.

结果表明：该色素为水溶性多酚类花色素，在不同的pH环境下显示不同的颜色；其耐热性、耐光性、耐酸、耐糖、耐还原性较好，但耐氧化性、耐碱性较差；Fe(上标 3+)对色素有破坏性；该色素的提取宜在酸性介质中进行，酸性条件下其综合稳定性较优，有较高的利用价值。

The results showed that the red pigment belonged to anthocyanidin,it was soluble in water,stable against heat treatment,light,acid and sugar concentration,tolerant to reduction,but sensitive to alkaline,oxidation and Fe~(3+). The research also showed that acid medium is favorable for extraction.The pigments have more general stability in acid medium and have high ufility value.

结果表明：该色素为水溶性多酚类花色素，在不同的pH环境下显示不同的颜色；其耐热性、耐光性、耐酸、耐糖、耐还原性较好，但耐氧化性、耐碱性较差；Fe3+对色素有破坏性；该色素的提取宜在酸性介质中进行，酸性条件下其综合稳定性较优，有较高的利用价值。

Using microorganism fermentation cultivation technique, with escherichia coli strains of ASP - 311 for fermentation, with rich fumaric acid as the substrate to ferment produce l-aspartic acid, Study the result of activated carbon, and the temperature, the use of bleaching time and discoloring pH value of various conditions, aspartic acid decoloring effect, and finally: the concentration of carbon, decoloring temperature of 1.0% 60 degrees, the bleaching time for 0.5 h, pH for 6, in this condition, the result is the absorbency of decolour 3.2%, to achieve the best effect.

本文利用微生物发酵培养技术，以大肠杆菌ASP-311为发酵菌株，以富马酸为底物来发酵生产天冬氨酸；研究了发酵液中活性炭的使用量、脱色的温度、脱色的时间以及pH值等各种条件对L-天冬氨酸脱色效果的影响，最终得出：活性炭的浓度为1.0%，脱色温度为60℃，脱色时间为0.5h，pH为6，在此条件下，发酵液的吸光度为3.2%，此时的脱色效果达到最佳。

In consideration of the competition of reactions between acetic acid, chloroacetic acid, dichloroacetic acid andchlorine, a competition factor was introduced for the improvement of fitting accuracy between calculated and experimental value of concentration.

结果表明，加入&竞争因子&的平行-连串宏观动力学模型能准确地反映己酸光氯化合成三氯乙酸的反应动力学规律。

High-sulfur hot spring water in ancient description: hot spring water from 2500 meters underground granite, dolomitic limestone and gneiss crust between the ancient hot springs, hot spring water has been formed last million years, year-round water temperature of 50-60 ℃, a liter water the sulfur content of more than 2 mg in the rich oxygen, silicon, aluminum, iron, calcium a variety of ancient trace mineral elements, PH value of 7 are weak acid, such as lactic acid in yogurt not only offer intestinal alkaline substances in the change into a weak acid substances, but also have anti-bacterial material substances, inhibition of intestinal bacteria breeding corruption and activities, thereby reducing the intestinal harmful substances on human health has a very good role.

高硫磺远古温泉水质介绍：温泉水来自地下2500米花岗岩、白云质灰岩和片麻岩之间的地壳温泉，温泉水已经形成上亿年，又称&远古温泉&，常年水温50-60℃，每升水中的硫磺含量在2毫克以上，富含氧，硅，铝，铁，钙等多种远古微量矿物元素，PH值7属于弱酸性，如酸奶中的乳酸不但能使肠道里的弱碱性物质转变成弱酸性物质，而且还能产生抗菌物物质，抑制肠道中的腐败菌的繁殖和活动，从而减少肠道内的有害物质，对人体具有非常好的保健作用。

It contains ethylic acid,organic acid,alcohol,sugar,mineral substances,vitamins and amino acid etc. And so it has a high nutritive value and a strong health function.

以柿子为原料，采用固液发酵法生产的柿子醋，含有醋酸、有机酸、醇、糖、矿物质、维生素和氨基酸等成分，营养价值高，保健作用强。

The white low-density powder of the the sodium salt of polyaspartic acid was got by dropping the hydrolyzable solution to wiscked high speedly carbinol which Consumption amount is about 3-6 times to the amount of solution, the powders density is about 0.35g/ml.4 Polyaspartic acid was characterized by NMR and IR.5 The scale inhibition behavior of polyaspartic acid was studied and result shows: The calcium carbonate inhibition rate is up to 99% at the dosages of 12.5mg/ Land when pH value is 9.0, Ca2+ concentration is 120mg/L and HCO3- concentration is 366mg/L.6 The primary design was put forward for industrialized production of PASP.

在此工艺下得到聚天冬氨酸钠粉术，外观为白色的轻质粉术，堆积密度0.35g／ml，不用进行脱色和粉碎。 4。用红外光谱和核磁共振谱图对聚天冬氨酸进行了表征。 5。对合成的聚天冬氨酸钠对CaCO_3的阻垢性能进行了研究。结果表明：在Ca~(2+)离子浓度120mg/L(以碳酸钙计300mg/L)，HCO_3~-离子浓度为366mg/L(以碳酸钙计600mgL)，PH值=9.0的条件下，阻垢剂浓度达到12.5mg/L时阻垢率可达99％。

The company mainly produces cinnamaldehyde, cinnamic acid, cinnamic alcohol, cinnamic nitriles,-bromo-cinnamic aldehyde, amyl cinnamic aldehyde, acetic acid Gui ester, cinnamic acid acetate, L-carnitine, coumarin , vitamin B1 and so on, one of cinnamon products only amounted to more than 100 kinds of quality and technical content are up to domestic advanced level, is expected to reach an annual output value of 10 billion yuan.

公司主要生产肉桂醛、肉桂酸、肉桂醇、肉桂腈、α-溴代肉桂醛、戊基肉桂醛、乙酸桂酯、肉桂酸乙脂、左旋肉碱、香豆素、维生素B1等，其中仅肉桂系列产品就达100多种，其质量及技术含量均达到国内先进水平，预计年产值可达10亿元人民币。

The company mainly produces benzaldehyde, cinnamic aldehyde, cinnamic acid, cinnamic alcohol, cinnamic nitriles,-bromo-cinnamic aldehyde, amyl cinnamic aldehyde, acetic acid Gui ester, cinnamic acid acetate, L-carnitine, coumarin, vitamin B1, etc., of which only cinnamon series reached more than 100 kinds of products, its quality and technical content are up to domestic advanced level, is expected to reach an annual output value of 10 billion yuan.

公司主要生产苯甲醛、肉桂醛、肉桂酸、肉桂醇、肉桂腈、α-溴代肉桂醛、戊基肉桂醛、乙酸桂酯、肉桂酸乙脂、左旋肉碱、香豆素、维生素B1等，其中仅肉桂系列产品就达100多种，其质量及技术含量均达到国内先进水平，预计年产值可达10亿元人民币。

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。