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相转变

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The study indicated that the solid dispersion have been changed into mono phase system from double phase system, and the docetaxel present in the carriers with amorphism or molecular, which insured the drug could be dissolved quickly in gastrointestinal tract.

实验表明,固体分散体从两相体系转变为单相体系,且多烯紫杉醇在载体材料中以无定形或分子形态存在,保证了多烯紫杉醇在胃肠道中的快速溶出,达到了本实验的预期目的。

Sb can combine with Cu and P to form a low melting point compound which lowers the melting point of binary Cu-8P eutectic alloy by nearly 200℃. Bi and Cu can create compounds with low melting point(270℃) distributing at the boundaries and that is the reason why the melting point of (Cu-8P)-Bi is lower than that of binary Cu-8P eutectic alloy. The eutectic cluster can be refined with the addition of Fe, and that is the reason why the addition of Fe can decrease the melting point of Cu-8P alloy. Two means of decreasing the melting point of Cu-8P are found.

一定量的Sb与Cu, P形成低熔点相,从而大幅降低了Cu-8P合金的熔点,使其熔点降低近200℃;加入少量Bi后, Bi与Cu在共晶团晶界上形成熔点为270℃左右的低熔点化合物,且Bi的加入明显细化Cu-8P合金共晶团,从而使Cu-8P合金的熔点降低;加入Fe能明显细化Cu-8P合金的共晶团,使层片间距由8μm减为2μm以下,并使共晶团由层片状向短棒状转变,虽然Fe与Cu形成熔点为806℃的高温相,但Fe的细化作用使得Cu-8P合金的熔点降低,但降低幅度不大。

In chapter I, we introduce the Jordan-Wigner transformation in detail, and illustrate its applications with three examples: the one-dimensional S = 1 XXZ model; the bilinear-biquadratic SU(2) invariant S = 1 chain; and the ionic Hubbard chain in the strong coupling limit. In chapter II, we review the S = 1/2 transverse Ising chain in detail.

在变换后发现隐藏在自旋为1的系统里自旋为1/2的SU(2)对称性及广义的U(1)规范对称性;(3)通过将推广的强耦合极限下的一维离子型Hubbard 模型变换为SU(3)反铁磁Heisenberg 模型,严格论证了离子型Hubbard 模型从能带绝缘体到莫特绝缘体的转变区域中自发二聚化绝缘体铁电性相即键序波相的存在。

The continuous cooling transformation curve was constructed chiefly by means of dilatometry,and combined with metallography to exact fix on the phase transition points of different cooling rate.

连续冷却转变曲线的建立主要应用膨胀法,并辅助以金相分析法来精确分析不同工艺条件下的相变点。

Microstructure,change of phase, distribution and morphology of oxide were analysed by X ray diffractometer,scanning electron microscope and optical microscope.

用 X射线衍射仪、电子探针和金相观察分析了粉末氧化前后相的转变、氧化物的分布、形貌。

It is observed there are two phase transitions at about 400℃ and 850℃ in each sample before melting, respectively. By careful measurement it shows the amounts of weight loss and endotherm, along with T, decrease with the dopant increasing when phase transitions occurred.

热分析发现熔化前在400℃和850℃分别存在2个相变,仔细测量得出相变发生时随掺杂量增加,失重量和吸热量减少,超导转变温度T降低。

The results show that the addition of certain manganese in high chromium cast iron leads to a re-partitioning of alloy elements between austenite and carbide and a dropping in equilibrium phase transformation temperature although it's inappreciable for the influence of manganese on mass fractions of every phase in this cast iron. There is about 87 percent ledeburite under thermodynamic equilibrium condition and 23 to 32 percent M7C3 type carbide under thermodynamic non-equilibrium condition in the microstructure of 3C-l5Cr-4Mn-0.75Si system high chromium cast iron. Furthermore, the improvement of austenite stability and hardenability of manganese alloyed high chromium cast iron may been expected because there is a substitution between manganese and chromium that has been suggested by thermodynamic calculations.

结果表明,锰虽然对高铬铸铁中的各相数量影响不大,但一定数量的锰存在促使合金元素在奥氏体和碳化物两相中的重新分配,并降低平衡相的转变温度;在平衡条件下3C-15Cr-4Mn-0.75Si系高铬铸铁中菜氏体数量约占87%,而非平衡条件下M7C3型碳化物数量在23%-32%之间,且奥氏体中锰铬互替现象保证了奥氏体的稳定性和加锰高铬铸铁的淬透性。

The results show that the addition of certain manganese in high chromium cast iron leads to a re-partitioning of alloy elements between austenite and carbide and a dropping in equilibrium phase transformation temperature although it's inappreciable for the influence of manganese on mass fractions of every phase in this cast iron. There is about 87 percent ledeburite under thermodynamic equilibrium condition and 23 to 32 percent M7C3 type carbide under thermodynamic non-equilibrium condition in the microstructure of 3C-15Cr-4Mn-0.75Si system high chromium cast iron. Furthermore, the improvement of austenite stability and hardenability of manganese alloyed high chromium cast iron may been expected because there is a substitution between manganese and chromium that has been suggested by thermodynamic calculations.

结果表明,锰虽然对高铬铸铁中的各相数量影响不大,但一定数量的锰存在促使合金元素在奥氏体和碳化物两相中的重新分配,并降低平衡相的转变温度;在平衡条件下3C-15Cr-4Mn-0.75Si系高铬铸铁中莱氏体数量约占87%,而非平衡条件下M7C2型碳化物数量在23%~32%之间,且奥氏体中锰铬互替现象保证了奥氏体的稳定性和加锰高铬铸铁的淬透性。

Influenced by tectonic movement, there were no sediments in the area from Oligocene to Miocene. Appearance of marlite in the Pliocene, especially in Yaqueling region, proved localized depositing environment forming, for which there had only few amount of terrigenous matters to supply. Sedimentary facies association of alluvial fan, fan delta and inland lake appeared at the early and middle stage of lower Pleistocene, and association of fan delta and inland lake appeared at the later stage of lower Pleistocene and the early stage of middle Pleistocene. Net-veined laterite appeared at the top of lacustrine deposit, which reflected pedogenesis taking place after the end of deposition. Such evolution history proves that there had no lager river system traversing this area before the early stage of middle Pleistocene.

对于江汉盆地西缘宜昌地区来说,其沉积及古地理演化表现为:早白垩世为受天阳坪断裂控制的内陆湖泊沉积环境,沉积中心在天阳坪断裂的北侧,此时几乎不存在来自黄陵地区的水系;晚白垩世同样为受断裂控制的内陆湖盆环境,但湖盆面积扩大、断裂活动减弱,且后期出现成化湖相沉积;第三纪早期盆地由断陷盆地转变为坳陷盆地,同时石膏的出现代表了局限咸化湖盆的存在;渐新世—中新世,受构造影响,缺失该时期的沉积;上新世时在鸦鹊岭一带出现的泥灰岩沉积反映了陆源物质供应不足的局限沉积环境的存在;早更新世早中期为冲积扇—扇三角洲—内陆湖泊沉积,早更新世晚期—中更新世早期为扇三角洲—湖相沉积,后期出现沉积结束以后的网纹红土化作用。

Based on the experiment, the relationship between phase distributions of diffusion triples and four-phase equilibrium can be determined.

在Nb-Ti-Si三元系1473K、1373K、1173K等温截面测定的实验中,发现了该体系在1473K附近存在一个包共析转变,并由此得出包共析转变与扩散偶中相区分布的关系。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。