查询词典 temperature difference

The optimum reaction conditions were found finally. The results showed that the suitable conditions are under methanol solvent reaction temperature 40℃,the concentration of catalyzer TS-1 0.6%.,reaction time 60 minutes,propylene pressure 0.4Mpa under methanol solvent.Under Supercritical fluid system,the reaction temperature was 33.7℃(supercritical and near critical temperature),the reaction pressure was 7.58Mpa(near critical pressure and critical pressure range. propylene ), propylene pressure 0.65Mpa, reaction time 45min, cosolvent molality 4%.

而超临界体系下反(来源：4e56ABC论文网www.abclunwen.com)应温度适宜在近超临界和临界温度(33.7℃)以上，反应压力也是接近临界压力或者处于临界压力范围(7.58Mpa)，丙烯压力是0.65Mpa，反应时间45min，共溶剂甲醇摩尔浓度4%，在此反应条件下，反应的转化率98%，选择性96%，收率94%，与传统条件相比较，收率提高了20%左右。

From monomial mensurated results, we can see that the sequences of the low temperature stress tolerance of several lines are different, but the low temperature stress tolerance of some lines is steady, such as 24, 14 and etc, So we can account for the trend of the low temperature stress tolerance of lines.

在上述各单项指标测定结果间比较可以看出，部分品系耐低温能力在排序中位次有一定差异，但其中有一些品系的耐低温能力总体上还是比较稳定的（如24、14等），可以说明耐低温能力的趋势。

Based on the characteristic of temperature variation in plate rolling process, a monotone function of control temperature and finish temperature can be got.

温度对TMCP工艺影响很大，其中控温温度和终轧温度又相互影响，为此分析了中厚板轧制过程中温度的变化特点，将控温温度与终轧温度之间的关系转化成一个单调增函数，然后提出了相应的优化算法，以避免该单调增函数的不连续性，并利用二分法快速求出控温温度的具体值。

This article introduces the function, structure and principle of temperature measurement of digital temperature sensor and its application in multipoint temperature measurement system .

本文阐述了数字温度传感器DS18B20的功能、结构、测温原理以及在多点温度测试系统中的应用。

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

Solar energy is a sort of never-failing clean energy sources, and how to more effectively utilize it has increasingly become a hotspot scientists tap with efforts. The characteristic of heat pump consist in that it can transfer heat from low temperature to high temperature, and improve the rates of low temperature heat sources.

太阳能是一种取之不尽的清洁能源，如何更有效地利用太阳能，已经成为当今各国竞相开发研究的热点；热泵的特点在于能将热量从低温热源传到高温热源，提高低温热源的利用率；太阳能利用技术与热泵技术的相互结合，发展前景广阔。

In addition provides the compressed air stainless steel air feeder, in crucible the base composition porous jet pipeline, causes the nitre salt fluid fast circulation tuck dive, achieves in the nitre salt fluid any temperature even consistent, controls the warm electricity cabinet's coordinate use automatically through the nitre salt stove, may cause the quenching work piece in the very short time needs the rapid chilling in any craft temperature which to the isothermal quench the automatic constant temperature.

另配备压缩空气不锈钢进气管，在坩锅内底部组成多孔喷流管道，使硝盐液快速循环翻腾，达到硝盐液内任何一点温度均匀一致，通过硝盐炉自动控温电柜的配合使用，可使淬火工件在很短时间内快速冷却到等温淬火所需要的任何工艺温度内自动恒温。

To evaluate PV module performance under actual illumination and temperature operating conditions over the course of a day, V-I characteristics of PV module,operating temperature,ambient temperature and solar radiation were measured.

为了研究在户外工作条件下太阳电池组件的实际工作性能，在一天过程中的太阳电池组件V-I 特性、组件温度、环境温度和太阳辐照度被测试。

Temperature Readout: There is an SCR temperature controller which enables the operator to set and control the temperature of the rotor.

温度读数：这是 SCR 温度控制器，操作者可以设置和控制转子的温度。

By using a fracture simulation unit,the regularity that temperature,flow rate and fracture width influence on HCl/dolomite reaction rate is investigated.The sequence of temperature,flow rate,acid concentration and fracture width influence to the acidic rock reaction rate is also studied in a four factors and four levels orthonormal test,and the sequence that acid concentration＞flow rate＞temperature＞fracture width is found.At the last,the possible HCl/dolomite reaction mechanism model which can explain the influence factors is derived.

文中利用人工模拟裂缝装置，研究了温度、注酸排量、裂缝宽度等因素对盐酸/白云岩反应速率的影响规律；并采用四因素四水平的正交试验，综合考察了温度、排量、酸浓度、缝宽四种因素对酸岩反应速率的影响的主次顺序，发现对酸岩反应速率影响力的大小次序为：酸浓度＞排量＞温度＞缝宽；最后，提出了盐酸/白云岩反应可能的机理模式，并根据这一模式对诸因素的影响进行了合理的解释。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。