- 更多网络例句与温度测定法相关的网络例句 [注:此内容来源于网络,仅供参考]
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Oxygen consumption rate and asphyxiant point of Dugesia japonica under the temperature of 10 ℃,14℃,18℃,22℃,26℃,and 32℃ were assayed respectinely and!the relationship between oxygen consumption rate at 10℃and 14℃ was much low and was high at 18℃,26℃and 32℃.
应用静水呼吸室法,测定10℃、14℃、18℃、22℃、26℃和32℃温度下日本三角涡虫的耗氧率和窒息点,并测定涡虫耗氧率是否与温度和昼夜节律有关。
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The basic principle, advantage, disadvantage and the improvement for measuring liquid surface tension with different methods were described. The methods were capillary rise method, Wilhelmy plate method, pendent drop method, drop volume method, maximum bubble pressure method. The problems in the surface tension measurement of wide temperature and pressure range, the chosen of experimental methods and the development tendency of these were introduced especially in this paper.
本文着重介绍了几种液体表面张力的测定方法(包括毛细管上升法、Wilhelmy盘法、悬滴法、滴体积法、最大气泡压力法),包括这几种方法的测定原理、优缺点及改进方法,特别指出了宽温度和压力范围的表面张力测定存在的问题,实验方法的选择及表面张力测定方法的发展趋势。
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The basic principle,advantage,disadvantage and the improvement for measuring liquid surface tension with different methods were described.The methods were capillary rise method,Wilhelmy plate method,pendent drop method,drop volume method,maximum bubble pressure method.The problems in the surface tension measurement of wide temperature and pressure range,the chos...
本文着重介绍了几种液体表面张力的测定方法(包括毛细管上升法、Wilhelmy盘法、悬滴法、滴体积法、最大气泡压力法),包括这几种方法的测定原理、优缺点及改进方法,特别指出了宽温度和压力范围的表面张力测定存在的问题,实验方法的选择及表面张力测定方法的发展趋势。
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The result indicated that, DTA and DSC apparatus constants of CDR-1 dynamic differential thermal analyzer increase along with temperature increment, but influence of temperature on DTA apparatus constant is more remarkable.
采用6种标准物质测定CDR-1型差动热分析仪的差热分析法和差示扫描量热法仪器常数,结果表明:CDR-1型差动热分析仪的差热分析法和差示扫描量热法仪器常数均随温度的升高而增大,而差热分析法仪器常数受温度的影响更为显著。
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Germination rate of sporangium in different temperature, pH and nutrition was examined with suspending-drop method.
用悬滴法测定温度、营养和 pH值对孢子囊萌发的影响,用硫酸法控制小容器相对湿度和载玻片法测定湿度对孢子囊萌发的影响。
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The viscometry is used to determine average number molecular weights of polyhydroxyalkanoates taking chloroform as solvent.
以氯仿作溶剂,用黏度法测定了多聚羟基烷酸的分子量,摸索了检测的最佳温度与溶液浓度,比较了黏度外推法与黏度单点法测验结果,建立了黏度法测定多聚羟基烷酸平均分子量的操作方法。
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Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.
以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例,测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛,分析了水对处理木材结晶度及内部凝聚力的影响;通过未处理和两种处理木材在不同温度水中的连续应力松弛测定,应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量,分析了在水中松弛过程中不同阶段木材内部发生的化学反应;并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量,明确了交联反应的类型;为了了解干燥对处理木材塑性变形固定的影响,测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛,分析了温度变化对处理绝干木材应力松弛的影响;根据多个温度水平下的连续应力松弛测定曲线,计算松弛过程的热力学量,考察了绝干木材在松弛过程中内部发生的分子变化机理,同时也用间歇法定量了木材内部新形成的架桥量,并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。
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Thermal conductivity A of mass and single pellet is successively measured by an efficient and steady heating system, of which the heat source is infrared ray. The milli-volt instrument and thermocouple is a way to measure temperature and its of higher precision and has fewer errors. Thermal diffusivity a is researched based on the study of C and. In this thesis, the volume convective heat-transfer coefficient, is measured on the thin-bed drying plat in terms of the principle of cooling machine and the Boyce drying theory, focusing on the air velocity v or mass flux G affecting on h.
导热系数λ的测定采用红外线纵向热流法,热源稳定、效率高;温度采用毫伏表加热偶温度传感器测量,精度高,误差小,并对成堆物料和单个颗粒均作了研究;基于C和λ的测量结果,导温系数α采用公式法计算而得;对流换热系数h_y为体积对流换热系数,其测定是模拟颗粒饲料的冷却干燥过程,依照冷却器的工作原理,构建颗粒薄层干燥试验台,并在Boyce干燥理论的指导下,重点测试了冷却风速对对流换热系数的影响。
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By testing hydration rate and hydration temperature at different times,the effect of the retarders on the hydration process of calcined gypsum was studied,and by analyzing morphology and pore structure,the effect of the retarders on the microstructure of gypsum was also studied.
测定柠檬酸、聚合磷酸钠、骨胶3类缓凝剂对石膏性能的影响,通过不同水化时间的水化率和水化温度测定,研究了缓凝剂对建筑石膏水化过程的影响,采用SEM形貌分析和压汞法孔结构分析研究缓凝剂对石膏硬化体微结构的影响。
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The main research work of this dissertation is as follows: Based on the chemical reaction engineering theory and the nitrobenzene electroreduction mechanism, the plate and frame electrolyzer was designed and applied to the process of electroreduction nitrobenzene to p-aminophenol. This dissertation measured the residence time distribution data of the electrolyzer by means of the pulse response method and studied the rule of flow pattern along with the current capacity change. Under different conditions ,this dissertation studied the cyclic voltammetry properties of nitrobenzene on different electrodes by means of the dynamic cyclic voltammetry method and the electrode materials applied to the NB electroreduction have been selected primarily.Baseed on the results of cyclic voltammetry tests, this dissertation used p-electrode systems to measure the steady-state- polarization curves of nitrobenzene on different electrodes in H-type diaphragm cell, and obtained each primary factor s influence rule and the exchange current density value of each electrode.And then on the basis of the conclusions of fundamental researchs upword, the effects of influence factors on the the yield of p-aminophenol and the current efficiency,such as electrode material, current density, quantity of electricity circulated, nitrobenzene concentration . sulpuric acid concentration and so on, have been studied in detail in the systems of hign temperature , strong acidity and oxygen-poorthrough a series of electrolysis experiments in this paper.After all using Pb as anode Monel metal as cathode Dupont Nafion 417 cation-exchange membrane as membrane, this dissertation obtained the optimum technological condition: reaction temperature about 85C, current density 500A m-2, sulphuric acid concentration 20%wt.
论文的主要研究工作为:运用化学反应工程理论,结合硝基苯的电还原机理,设计出用于硝基苯直接电还原合成对氨基苯酚实验的板框式电解槽,并利用脉冲响应法测定了该板框式电解槽的停留时间分布数据,研究了流型随流量变化的规律;通过动态循环伏安法研究了硝基苯在不同电极上、不同条件下的循环伏安特性,初步评选出了用于硝基苯电还原的电极材料;结合循环伏安的测定结果,在H型隔膜电解槽中采用三电极体系测定了硝基苯在不同电极上、不同条件下的稳态极化曲线,得到了各主要因素的影响规律及硝基苯在各个电极上电还原的交换电流密度数值;在基础研究结论指导下,采用板框式电解槽,在高温、强酸、贫氧系统中,进行了一系列的电解实验,分别考察了电极材料、电流密度、通电量、硝基苯浓度、硫酸浓度等因素对收率及电流效率的影响,最终选择以蒙乃尔合金电极作为阴极、铅合金为阳极、Dupont Nofion 417阳离子交换膜为隔膜,得到由硝基苯直接电还原制对氨基苯酚的最佳电解工艺条件:反应温度85℃,电流密度500A·m~(-2),硫酸浓度20%wt。
- 更多网络解释与温度测定法相关的网络解释 [注:此内容来源于网络,仅供参考]
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powder magazine:火药库
camera viewfinder 摄象机, 寻象器 | powder magazine 火药库 | thermometry 温度测定法, [物]检温学
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ion mobility:离子淌度
1.山地亚国家实验室正研究化学探测法,利用离子淌度 (ion mobility) 光谱测定法 (spectrometry) 的技术,找寻从地雷放射出来的爆炸性分子 (explosive molecules) ,并透过研究不同温度和冷凝物 (precipitation) 对爆炸性分子的影响,
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ptomain:屍毒
psychrometry 温度测定法;温差定湿法 | ptomain 屍毒 | ptyalin 唾液淀粉酶
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spectrometry:光谱测定法
1.山地亚国家实验室正研究化学探测法,利用离子淌度 (ion mobility) 光谱测定法 (spectrometry) 的技术,找寻从地雷放射出来的爆炸性分子 (explosive molecules) ,并透过研究不同温度和冷凝物 (precipitation) 对爆炸性分子的影响,
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thermometry:温度测定法, [物]检温学
powder magazine 火药库 | thermometry 温度测定法, [物]检温学 | rail profile gauge 钢轨断面磨耗测量器
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thermomotor:热发动机
thermometry 温度测定法 | thermomotor 热发动机 | thermonuclear 高热原子核反应
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Alopecurus japonicus:日本看麦娘
本文以稻茬油菜田恶性禾本科杂草看麦娘....中文摘要: 本文以我国长江中下游地区油菜田恶性杂草日本看麦娘(Alopecurus japonicus)为主要研究对象,初步研究了其种子休眠解除及萌发温度条件;通过种子生物测定法和整株测定法测定了不....
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geothermometer:地温度
地温测定法 geological thermometry | 地温度 geothermometer | 地文学 physiography
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thermometrical:温度计的
thermometric 温度计的 | thermometrical 温度计的 | thermometry 温度测定法
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thermometrical:温度计的; 寒暑表的 (形)
thermometric 寒暑表的; 温度计的 (形) | thermometrical 温度计的; 寒暑表的 (形) | thermometry 温度测定法; 检温学 (名)