中间相
- 名mesophase
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AR中间相沥青纺丝及氧化性能的研究
Study on Spinning and Oxidation of AR Mesophase Pitch
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CVD法SiC连续纤维用炭芯的研究Ⅳ.大直径中间相沥青氧化纤维高温热处理的化学/物理效应
STUDY OF CARBON CORE FOR SiC CONTINUED FILAMENT BY CVD ⅳ . High Temperature Treatment of Large Diameter Mesophase Pitch Filament
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辐照诱发中间相Zr(Cr,Fe)2非晶化的原位电子显微研究
Ion-irradiation-induced amorphization of Zr ( Cr , Fe ) _2 precipitate
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中间相C3A对硅酸盐水泥水化的影响
Influence of the intermediate phase C3A on the hydration of the Portland cement
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FCC油浆热转化制备中间相沥青的研究
Preparation of Mesophase Pitch by Thermal Conversion of FCC Slurry
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沥青中间相的R值对无粘结剂炭素材料的自烧结性能有很大影响。
The R value of the pitch mesophase has very important influence on selfsintering function of the binderless carbon materials .
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中间相沥青粘结剂结合MgO型块烧成试验
Test on Calcination of MgO Brick Bound with Mesophase Pitch Binder
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分别以煤沥青、石油中间相沥青和AR沥青为前驱体制备炭泡沫材料。
Carbon foams were prepared from coal tar pitch , petroleum mesophase pitch , and AR pitch .
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采用sol-gel法在中间相沥青基碳纤维的表面制备了钽、锆涂层。
Zirconium and Tantalum coatings were prepared on the surface of mesophase pitch-based carbon fiber by sol-gel method .
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不同表面活性剂对微乳相图和E值具有不同的影响。新疆石油磺酸盐的微乳相图中间相高度最大,但中相存在的盐浓度范围(盐宽)最小,其E值为0378;
For Xinjiang petroleum sulfonate , the middle phase has the biggest height , but the smallest salt breadth , its E value is 0.378 ;
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化学气相沉积法SiC连续纤维炭芯的研究Ⅰ.加压齐聚反应调制可纺中间相沥青
STUDY ON CARBON CORE FOR SiC CONTINUED FILAMENT BY CVD ⅰ . Preparation of Mesophase Pitch by Oligomerization Reaction under Pressure
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以石油中间相沥青和AR沥青为原料均能制备出具有分布均匀开孔结构,且微观各向异性的炭泡沫。
The carbon foams with homogeneous open pores and microscopic domains were obtained from AR pitch and petroleum mesophase pitch .
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(Nd,Gd,Dy)-Ir系AB3合金中间相的研究
On the ab_3 type alloy phases of ( nd , gd . dy ) - ir system
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中间相沥青粒子对PEMFC用碳纤维纸性能的影响
The influence of meso-phase pitch content on the properties of carbon fiber paper for PEMFC
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非晶态和亚稳中间相InSb的输运性质
Transportation properties of amorphous state InSb and its metastable middle phase
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以日本三菱气体化学公司生产的AR中间相沥青为原料,放入合适的不锈钢模具中,在高压釜中加热、加压。
Raw foams are prepared from AR mesophase pitch in a stainless steel mold by heating to appropriate temperature under adequate pressure .
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应用DTA、XRD、SEM等手段详细研究了此中间相形成条件及其成分和晶体结构。
The formation conditions , the composition and the crystal structure of the interphase were studied by DTA , XRD and SEM .
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采用FT-IR分析、元素分析及偏光显微分析等研究了改性沥青的中间相转化行为;
And medium-phased behaviors have been studied with FT-IR spectrum , element analysis and microstructure analysis DSC and TGA etc.
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使用了XCT(X-RayComputedTomography)手段,对中间相作无扰动分析,得到一些结果;
The XCT ( X-ray Computed Tomography ) without disturbance is used in the analysis of structure in the middle phase .
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试验以预处理的FCC油浆为原料,采用程序升温、多管井式坩埚炉进行热转化形成有序生长中间相反应研究。
Orderly growth of mesophase was studied using FCC slurry as raw materials , in a multi-tube well-crucible furnace controlled by programmed heating .
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经固溶处理及时效后,中间相以细小颗粒状分布在整个Mg基体中,明显提高了合金的室温综合力学性能及高温抗蠕变性能。
After solution treatment and ageing , the intermediate phases distribute in dispersion , and this makes the room temperature mechanical properties and high temperature creep strength be enhanced greatly .
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本文介绍了PET高速纺丝纤维结构的形成,提出了取向中间相、取向结晶化的概念和有关理论。
N this paper , the structure formation of high speed spinning PET fiber is introduced . The concept and theory for oriented mesophase and oriented crystallization are proposed .
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经ZrO2/SO4~(2-)催化所得萘齐聚物的中间相转化行为
Studies on mesophase transformation behavior of naphthalene oligomers prepared using ZrO 2 / so 2 4 catalyst
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结果发现,由于煤焦油沥青不含中间相,且QI含量较高,导致在实验条件下不能直接制备出合格的炭泡沫。
It was found that coal tar pitch could not be used as-received to prepare useful carbon foams because of their higher quinoline insoluble ( QI ) fraction .
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400~450℃范围内中间相生成是主要影响因素,用X射线衍射及电子自旋共振(ESR)对沥青的炭化产物进行了研究。
MeSophase formation is main effective factor from 400 ℃ to 450 ℃ . The carbonized products of pitch were investigated by X & ray diffraction and ESR .
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当Zn含量超过9%时,由于中间相的作用会对合金阳极材料的性能会产生不利的影响。
When alloyed with the content of Zn over 9 % , due to the role of the middle phase , alloy anode material properties would have a negative impact .
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本文研究了两种原生QI含量不同的煤焦油沥青中间相形成动力学,测得了中间相形成动力学参数。
The kinetics of mesophase formation from two sorts of coal tar pitch with different primary QI content is studied in this paper . The kinetic parameters are determined .
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以日本AR中间相沥青为原料,通过对其元素分析、红外光谱分析、热台偏光显微镜观察及流动特性测试等,确定其组成及结构,分析加热过程中其形态结构变化。
The composition and structure of AR mesophase pitch were studied by the means of elemental analysis , FT-IR , polarized light microscop with hot-stage and so on .
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本文以日本AR中间相沥青为原料,利用元素分析、红外光谱分析等分析方法研究了其组成及结构,分析在制备中间相沥青基碳纤维过程中各个阶段其结构形态的变化。
The composition and structure of AR mesophase pitch were studied by means of elemental analysis , FT-IR and the differences of structure during the preparation were analysed .
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采用中间相细颗粒表面活化调整的方法,使R值保持在0.2~0.3之间,可提高无粘结剂炭素材料的自烧结性和强度。
By means of activating the surface of the pitch mesophase powder and maintaining the R value between 0.2 and 0.3 , the self-sintering function and strength of the binderless carbon materials can be raised .