dta

Different thermal analysis methods were used by analyzing the differential thermal analysis curve and thermal gravimetric curves ( DTA/ TG) of tung oil/ PF and nano-SiO_2/ tung oil PF. This method revealed the dynamic state in them.

采用热分析系统，对桐油/酚醛和纳米SiO2/桐油/酚醛两种改性树脂进行了测试，通过对TG/DTA曲线研究，展示了它们的热解动态。

The thermal change in the synthesis of Mo σ 2N was studied by DTA TG insitu technique.

采用原位差热热重（DTA TG）技术，研究了合成过程中的热变化。

DTA analysis showed the decompose temperature of composite hasimproved by 73 at 4 % OMT.

DTA分析结果说明添加4%OMT苯丙复合材料的分解温度升高了73℃.

The sample obtained is characterized by XRD, TEM and TG-DTA, and the particle is spherical crystal with average diameter of 50 nm, it has narrow size distribution and well dispersity.

采用XRD，TEM，TG-DTA等测试手段对样品进行表征，实验所制得的α-Fe2O3纳米粒子晶型为球形，平均粒径为50nm，粒度分布范围较窄且单分散性好。

The binding morphology of crystal water with zirconium sulfate in the structure of tetrahydrate and the kinetic behavior of decomposition of zirconium sulfate have been investigated by means of temperature programmed decomposition ( TPDE) and thermogravimetry differential thermal analysis ( TG-DTA).

利用程序升温分解（TPDE）及热重－差热分析（TG－DTA）这两种程序升温动态分析手段，对四水硫酸锆结晶水的结合特征及热分解动力学行为进行了效详细的研究。

The spectrum of IR, DTA, and TG were analysed. The mechanism of the polymerization was discussed.

对该种色母粒作了红外光谱及DTA、TG分析, 并探讨了其反应机理.

The crystallization of the stoichiometric cordierite was studied by using TG-DTA and XRD.

采用TG -DTA 、XRD分析了理论化学组成的堇青石微晶玻璃的晶化行为.

The effect of precursor on crystalline phase and sizes of TiO_2 particles and the transformation temperatures of the TiO_2 particles were studied by using thermal gravimetric and differential thermal ( TG-DTA), X-ray diffraction ( XRD) and scanning electron microscopy ( SEM) measurements.

采用热重-差热、X射线衍射、扫描电子显微镜等分析方法，研究了前驱物的组成对所得颗粒的形貌、粒径和分散程度的影响规律以及TiO2颗粒的晶相转变温度。

A study on thermal behaviour and thermal decomposition kinetics of uo_2 [ bu_2nco ( ch_2)_6conbu_2] ( no_3)_2 by means of tg/ dtg and dta/ gc coupled simultaneous technique on line

热重法及差热&色谱在线联用技术研究配合物UO2[Bu2NCO（CH2）6CONBu2]（NO3）2的热行为及热分解反应动力学

The morphology and structure of ul-trafine TiO 2 particles were analyzed by XRD, SEM, DTA and EDS measurements.

通过XRD 、 SEM 、 DTA、EDS等测试分析,确定了超细微粒TiO2的外观形貌和结构特征.

The TG-DTA , IR, XRD, TEM and BET Methods : Were used to characterize structure and morphology of nanocrystalline ZnO.

以TG -DTA 、 IR 、 XRD 、 TEM和BET等测试方法研究了纳米ZnO粉体的结构和形貌特性.

The precursor and powder were characterized by XRD 、 DTA 、 ICP 、 TEM 、 BET.

采用XRD、DTA、ICP、TEM、BET等 手段表征了前驱体和产物的特征.

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.

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。

TG _ DTA indicated that the active component of catalyst and the support had stronger interaction.

DTA表明催化剂活性组分和载体间的结合较强.

Glass-ceramic was prepared from raw materials mainly containing boron mud, and the crystallizability of glass ceramic of CaO-MgO-Al2O3-SiO2 system was studied by means of DTA, XRD and SEM. Effects of sintering time and crystallizing time on the microstructure of glass ceramic were also analyzed.

以硼泥为主要原料制备微晶玻璃，通过DTA，XRD，SEM等分析方法，对CaO-MgO-Al2O3-SiO2系玻璃的析晶性能进行研究，系统地分析了烧结时间和晶化时间对微晶玻璃结构的影响。

Thepowder is characterized by particle size analyser TG and DTA thermal analyser.

利用颗粒度分析仪、TG和DTA热分析仪等测定了氧化镁部分稳定氧化锆粉末的性能.

Thermal analysis of ( PCN ) and ( PA ) indicated t-hat the ( Teo ) data by DTA testing for ( PCN ) and ( PA ) were , 453 and 426 respectively.

( PCN ) 和 ( PA ) 的热分析 ( Teo ) 值分别为453和426 ( DTA ).

Method: Morphological identification and differential thermal analysis ( DTA).

方法：形态鉴定及差热分析法。

A proximate analysis of coal was conducted with TG-DTG-DTA thermal analysis technology. The analysis results with good repeating can meet the test requirement of the standard method.

利用TG-DTG-DTA热分析技术对煤进行了工业分析，分析结果有较好的重复性，符合标准方法的测试要求。

The crystallization of three K 2 O-B 2 O 3-SiO 2 glasses has been studied by using DTA, XRD 、 TEM and SEM technique.

本文利用DTA 、 XRD、TEM、SEM等技术研究了三种K2O-B2O3-SiO2玻璃的析晶性能.

Thermal discomposing temperature was determined by DTA, and the change of structure and element composition of surface film with inhibitor after high temperature tests were studied by means of IR and XPS etc.

用DTA研究了OM2的热分解温度。用IR和XPS等方法研究了高温试验后产物的结构变化以及成膜试片表面的元素组成。

We characterize the structures of the catalyst by XRD, BET, TG-DTA , ICP, SEM, etc.

我们对一些新催化剂和反应后的催化剂做了一系列表征,包括XRD 、 BET 、 TG—DTA 、 ICP及SEM等测试手段.

DS of CMC had a linear relation with the peak height of DTG or DTA.

羧甲基纤维素的DTG和DTA的峰高与其取代度DS成一线性关系.

Results of TG and DTA show that LiMn_2O_4 can be formed after 400 ℃, followed by spinel structure transform.

热重和差热分析表明：前驱体于400℃开始形成LiMn2O4，并向尖晶石型结构转变。

The mechanism of thermal decomposition for calcium benzoate was studied by using TG, DTA, and IR.

用DTA和TG研究了它在氮气气氛中的热分解过程, 并用红外光谱表徵了热分解产物.

DTA method was employed to measure the undercooling of samples during solidification.

利用差热分析法测定了试样在相同冷却速度下的过冷度.

The effects of hydrostatic pressure on the transition temperatures Tc of NH_4IO3 and its solid solutions K_x ( NH_4)_ ( 1-x) IO_3 have been investigated by means of differential thermal analysis ( DTA) up to 10 kbar.

在流体静压力到10kbar范围内，采用DTA技术研究了压力对NH4IO3及其固溶体K x（NH4）（1-x）IO3的相变温度（T c）的影响。

For a better simulation of the natural degradation of source rock Kero-gen under experimental conditions, pyrolysis experiments on two kinds of source rock samples from Xinjiang and Jilin were carried out by means of high pressure differential thermal analyser ( DTA).

在实验室条件下，利用压力差热分析仪（DTA）分别对新疆和吉林两种生油岩做了压力热解实验。

The synthetic conditions of tetrabromobisphenol A were studied. Char yield and thermokinetic parameters during pyrolysis of wood treated with tetrabromobisphenol A were studied by TG-DTA method.

研究了四溴双酚A的合成条件，并利用TG DTA热分析技术研究了其阻燃过程的木炭产量和热动力学参数。

A study has been made of thermal decomposition of some benzofuroxan compounds by using DTA technique.

用DTA技术研究了八种苯并氧化呋咱化合物的热分解.