液化温度

金属在熔炉或坩埚中预热到高于液化温度的一个合适范围内（不希望金属在浇铸完成前凝固）。

Metal is preheated in a furnace or crucible until is above the liquidus temperature in a suitable range ( we don 't want the metal solidifying before the pour is complete ) .

它必须冷却到其液化温度。

It must be cooled to its liquefaction temperature .

当温度降低到对应的液化温度时，击穿电压下降更伙，即出现一转折点。

When the temperature reaches the liquefying point , the breakdown voltages decrease sharply than ever .

通过高压釜条件试验，得出了神东煤的最佳液化反应温度：惰质组含量在70%，最佳液化反应温度为470℃；

Optimal reaction temperatures are derived : 470 ℃ for inertinite content above 70 % ;

实验研究了液化反应温度、反应时间和氢初压对两种不同变质程度煤的液化性能及芳烃、极性化合物产率的影响规律。

The experiments were carried out to investigate the effect of temperature , initial H2 pressure and soaking time on conversion , oil + gas yield and aromatics , aliphatics and polar compound yields of ZL and DL coals .

研究了催化剂种类、浓硫酸催化剂用量、液化反应温度、苯酚与椰子壳质量比、液化反应时间对液化产物残渣率及结合酚的影响。

The liquefaction of coconut shell in phenol was studied . The effects of catalysts , different content of sulphuric acid , reaction temperature , phenol : powder ratio , reaction time on the content of residue and combined phenol of the products of liquefaction were discussed in detail .

热重实验表明400℃-520℃是神府煤的最大失重速率区间，可确定此温度区为神府煤适宜液化的反应温度范围。

TG and DTA experiment shows that the rate of coal weight loss reaches maximum at the temperature range of400 ℃ - 520 ℃, the of coal liquefaction feasible reaction temperature was in this range .

在煤液化反应的起始温度Tb时，煤转化率随时间的延长而增加，高于液化反应的终止温度Tf时，煤转化率下降。

The coal conversion increases along with the extension of reaction time , exceeding the final temperature of coal liquefaction ( Tb ), the coal conversion declines .

结果表明，玉米皮在甲醇中适宜的液化条件为液化温度、液化时间和秸秆/醇比分别是300oC、30min和1：30g/mL。

The results show that the optimum conditions of corn skin liquefaction in methanol are that reaction temperature , reaction time and the ratio of stalk to methanol are 300 oC , 30 min and 1 : 30 g / mL , respectively .

结果显示：沙柳、柠条的液化效果随液化温度、催化剂的用量、液比的增加而增加；

The experimental results showed that the liquefaction extent enhanced with the increase of liquefaction temperature , catalyst dosage , and liquid-solid ratio .

高温快速液化的最佳反应温度正是热重曲线反映的煤活泼热解温度范围的上限。

The best reaction temperature of coal quick liquefaction ( CQL ) is the upper limit of the coal pyrolysis temperature range in TGA .

LBW工艺及低温液化糖化工艺（液化温度85～95℃），酒糟清液可全回流使用。

LBW tech nique and with liquefaction and saccharification at low tem-perature ( liquefact ion temperature at85 ~ 95 ℃), the clear liquid could be completely used for reflux flow .

最佳液化工艺条件为：液化温度90℃，pH值5.5，液化时间3.5h，液化酶的添加量0.035g/100g玉米粉；

The optimum working conditions found for liquefaction are : liquefying temperature 90 ℃, pH 5.5 , liquefying time 3 h , liquefying enzyme added 0.035 g / 100 g corn meal ;

温度对液化效率的影响最显著，随着液化温度的提高，沙柳、柠条和杨木的残渣率都出现下降趋势，但在不同的温度阶段下降的程度不同。

Reaction temperature has greatest influence on liquefaction process , the residue of Salix , Caragana and Poplar decreased with the increasing of temperature .

本文以杨木屑为研究对象，探索出一种转化率高、比较经济的多元醇液化工艺，并显著降低了液化反应温度和压力、减少了催化剂用量。

Therefore , in this paper , a higher conversion rate and more economical liquefied process of poplar sawdust were explored by using polyol . Furthermore , the amount of catalyst can be reduced by using this new process , keeping the reaction temperature and pressure down .

对醋酸木质素的溶剂液化进行了系统的实验研究，确定乙二醇作为液化剂，研究了液化温度、液化时间、催化剂用量、液固比等主要参数对木质素液化产物中总酚含量的影响。

And the effect of the main parameters on lignin liquefaction of total phenol content had been studied , such as the liquefaction temperature , liquefaction time , catalyst amount , solvent / lignin ( w / w ) ratio .

目前常见的生物质液化技术中，无论是高温、高压（包括超临界方法）还是常压溶剂液化方法，均存在液化温度和压力高或需要用化学腐蚀性试剂多，还有二次污染的问题。

However , both high temperature and high pressure ( including super-critical method ) method or atmospheric pressure liquefaction using solvent have the secondary pollution problem . In addition , the liquefaction temperature and pressure are too high or corrosive chemical reagents using too more .