差热曲线

差热曲线上出现两个放热峰，第一个主要是CO吸附的放热峰，第二个则是被吸附的CO和氢反应的放热峰。

At higher temperature . There are two exothermic peaks on the DTA curve . The first one is mainly due to the CO adsorption and the second one is due to the reaction of adsorbed CO with hydrogen .

测定了改性碳酸钙的红外光谱和差热曲线，并讨论了其在橡胶中的应用效果。

IR and DTA curves of modified CaCO 3 are determined , and its applying effect in rubber has been discussed .

用差热曲线（DTA）研究了该玻璃系统的热稳定性。

The thermal stability of the glasses was studied by their DTA curves .

用粉晶X射线衍射谱图、差热曲线、红外谱图进行物相分析，交流阻抗谱进行离子导电率分析。

The phase relationship of composite MMT was analyzed through powder XRD , thermal analysis and IR spectra , its ionic conductivity was obtained by AC impedance .

测定了双硫脲金（Ⅰ）配合物（Cl-）的红外光谱、差热曲线（DTA）、热重曲线（TG）；

Infrared spectra , differential thermal analysis curves and thermogravimetry curves of the bis-thiourea gold (ⅰ) complex have been measured .

云南坡缕石与世界上的代表样品相比较，在X射线粉晶参数、化学成份、差热曲线等方面有较大的相似性。

The comparison of the lassalite of Yunnan to that of other counties indicates that both of them are alike in parameters of X-ray powered crystal , chemical composition and differential thermal curve .

通过元素分析、红外光谱、热重-差热曲线、紫外-可见光吸收光谱、循环伏安曲线、荧光光谱和光致发光光谱表征了Zn（salph）的结构、性能以及它的电子能级结构。

Its structure and performance were investigated by element analysis , FT-IR spectra , TG-DTA curve , UV-vis absorption spectra , cyclic voltammetry curve , fluorescent spectra , PL spectra and EL spectra .

催化剂使用前后晶型不发生变化，在不同温度煅烧所得的晶型及差热曲线与试剂磷酸锂不同，与失活催化剂DTA曲线差别也很明显；

The crystal phases and the DTA curves of the catalysts calcined at different temperatures were different from that of the lithium phosphate agent and the DTA curves of the deactivated catalyst were also different ;

性能测试包括热膨胀系数、差热曲线和电性能等。

The thermal expansion coefficient DTA and electrical properties were also investigated .

青藏高原某些冰碛物的粘土矿物差热曲线特征

Characteristics of the differential thermal curve of clay minerals in some till materials on the Qinghai-Xizang Plateau

在差热曲线上见有两个明显的吸热谷（633和727℃）。

There are obviously two endothermic valleys ( 633 ℃ and 727 ℃) on the differential thermal curve .

差热曲线在130℃，590℃有吸热谷，975℃为放热峰。

The differential thermal curve has heat-absorption troughs at 130 ℃ and 590 ℃ and a heat-release peak at 975 ℃ .

通过差热曲线分析和组织形貌观察，确定出合金4的热处理工艺；

Heat treatment conditions of the superalloy 4 have been determined by the analysis of the differential thermal curve ( DTA ) .

对麦壳的热重曲线、差热曲线进行了分析，并对麦壳的红外光谱分析。

The characteristics of wheat husks are studied by thermogravimetry analysis ( TGA ), differential thermal analysis ( DTA ) and infrared spectroscopy .

差热曲线在125-150和805-818℃有吸热双峰，吸放热转换在740℃。

DTA curves have a double endothermic peak at 125-150 ℃ and 805-818 ℃, and endotherm-exotherm inversion at 740 ℃ . A chem .

本文以差热曲线为根据，提出确定粘土矿物&高岭石脱失羟基[OH]吸热效应终点温度的新方法。

On the basis of DTA curve , this paper presents a new method , determining the final temperature of the endothermic effect of clay mineral ( kaolinite ) flehydroxylation .

根据矿物差热曲线特征温度，拟定使用热重差分析岩矿中全碳、结晶水、硫化物硫和二氧化碳等项目的灼烧温度范围，并进行热重差分析。

Based on the characteristic temperature of the differential thermal curves for different minerals , the ignition temperature for differential thermal and thermo gravimetric difference analysis of total carbon , carbon dioxide , water crystal and sulfur in sulfides etc.

热分析的结果表明，四种地膜的差热曲线有许多相似，但也略有差异，说明降解膜与普通膜的基本组分相同，而添加组分有较大差异。

The results of thermal analysis showed that the DTA curves of four kinds of films had much similarity and seldom difference , which meant that degradable films had more same components as ordinary film , but their added components were very different .

从差热分析曲线可看到，随着B，Bi的掺入，在478℃附近出现了不同的放热峰。

A new exothermal peak is found on DTA cure at nearly 478 ℃ when bismuth and boron are added .

实验测定了AgGaS2晶体的差热分析曲线和红外透射谱，以及单晶{112}解理面的X射线衍射谱，结果表明生长晶体的质量较高。

The results show the as-grown AgGaS_2 crystals have high guality from measured DTA curve , IR transmission spectrum and XRD spectra .

根据草酸钴的热重/差热分析曲线，利用热分解法，在不同条件下由草酸钴制备了各种Co3O4微粉，并对其进行了X射线衍射分析和扫描电镜表征。

According to the thermogravimetric analysis of cobalt oxalate , different Co_3O_4 micropowders were prepared from cobalt oxalate by thermal decomposition at different condition , which were characterized by X-ray diffraction and transmission electron microscopy .

利用差热分析曲线讨论了可获得较好耐磨性能的热处理制度，比较了Ni-P-SiC和Ni-P镀层的硬度和耐磨性能。

The heat treatment schedule , corresponding good abrasion resistance , is discussed by means of the curve of differential thermal analysis . Hardness and abrasion resistance are compared between Ni - P - SiC and Ni - P.

两种纯金属的熔化差热分析曲线表明磁场对两者的熔化过程影响很小。

The DTA curves of both of pure metals for melting showed that the melting is not affected by a magnetic field .

在分析硼砂的差热分析曲线和脱水曲线的基础上，对其在珠宝首饰加工领域中的应用进行了初步研究。

By analyzing the differential thermal analysis graph and dehydration graph of borax , the application of borax in diamond cutting and jewelry making field is studied .

加热过程的差热分析曲线表明，800℃附近存在一个吸热峰，这对应着晶体相向十重准晶的转变。

On heating pocess , the differential thermal analysis curve showed a peak at about 800 ℃ . , corresponding to the formation of DQC from its approximants .

将制得的微胶囊加入到水泥净浆基体中，制得储能控温建筑材料，测量它们的差热分析曲线，得出相变材料在建材中的相变潜热和重复相变后的稳定性。

The microcapsules obtained will be added to the cement paste matrix , obtained by storage temperature materials , and DTA curves of phase change materials in the building can be measured and their latent heat and repeating stability can be obtained after phase change .

通过对失重（TGA）曲线、失重速率（DTG）曲线以及差热（DTA）曲线的分析，深入探讨了氧气体积分数、气体流量和升温速率对样品热解过程的影响。

By analysising TGA , DTA , and DTA curves , the authors found that oxygen concentration and heating rate have more remarkably effect on pyrolysis process than gas flux .

王草燃烧差热（DTA）曲线后面放热峰明显大于前面的放热峰，表明固定碳燃烧放热量大于挥发分燃烧放热量。

Latter summit of differential thermal analysis ( DTA ) curve of King grass combustion is higher than former , which indicates that heat output of the fixed carbon combustion is higher than volatile compounds combustion .

文章通过对聚合物光纤（POF）损耗温度特性实验结果的分析，并结合POF材料的差示扫描量热曲线（DSC曲线），得出了在实验温度范围内POF损耗的变化规律。

The effect of temperature on attenuation of polymer optical fiber ( POF ) in the circumstance of our experiment is discussed through the analysis of the result obtained from experiment and DSC curve of POF 's material .

构象变化导致λ210～310nm紫外差光谱的出现、荧光偏振度的增加、在λ330nm荧光发射峰发射强度的改变及差示扫描量热曲线的产生。

Conformational changes resulted in wavelength λ 210 ~ 310nm ultraviolet differential spectra , fluctuations of fluorescence intensity at λ 330nm emission peak , increment of fluorescence polarization , and emersion of differential scanning calorimetric curves .