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  变化
     Studies on the change of Main Flavor Materials of Instant Green Tea During the Process and Analysis Methods
     速溶绿茶加工中主要风味物质变化规律及分析方法研究
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     The Dynamic Change of Land Use Pattern and an Optimization Design
     土地利用格局变化及优化设计研究
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     The Effects of Agricultural Land Use on Biodiversity and Change of Soil Organic Carbon in North China Plain
     华北平原农业土地利用对生物多样性和土壤有机碳变化的影响研究
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     The Change of Cytokines and Nuclear Factor-kappa B in Lung Tissue of LPS-induced Acute Lung Injury in Neonatal Rats: The Effect of N-acetylcysteine
     LPS致新生大鼠急性肺损伤促炎性细胞因子、抗炎性细胞因子和NF-κB变化及N-乙酰半胱氨酸干预作用的研究
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     The Change of Expressing Integrin β1, αvβ3 in Detached and Reattached Rabbit Retina
     整合素β1、αvβ3在脱离及复位兔视网膜中的表达变化
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  改变
     Morphological Study on Response of Astrocytes in Rat Brain to Change of Osmotic Pressure and Relationship with Neurons
     大鼠脑内星形胶质细胞对渗透压改变的反应及其和神经元相互关系的形态学研究
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     The Change of Liver and the Expression of Scavenger Receptor B1 in the Livers of Atherosclerotic Mice and Diabetic Mice
     动脉粥样硬化小鼠及糖尿病小鼠肝脏改变及其清道夫受体B1的表达
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     The Change of the Cell Apoptosis and the Express of the Fas/FasL in Pulmonary Fibrosis and the Role of the NAC
     肺纤维化细胞凋亡、Fas/FasL表达改变及N-乙酰半胱氨酸的作用
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     The Effect of Decorin on the Growth and Phenotype Change of Rat Mesangial Cell and Its Relative Signal Transduction Pathway
     Decorin对大鼠系膜细胞生长、表型改变的影响及相关信号转导途径的研究
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     The Clinical Significances of Expressions of Muscle Antigen in Thymus and Change of Anti-Muscle Antibody in MG Patients
     MG胸腺骨骼肌抗原表达及相应抗体改变的临床意义研究
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  变化规律
     Studies on the change of Main Flavor Materials of Instant Green Tea During the Process and Analysis Methods
     速溶绿茶加工中主要风味物质变化规律及分析方法研究
短句来源
     On the Change of Intensity in the Zero Beat Region of a Zeeman Transverse He—Ne Laser
     横向Zeeman He—Ne激光零拍区光强变化规律
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     TEMPERATURE DEPENDENCE OF CHANGE OF BORIDE IN Fe_(70)Cr_(18)Mo_2 SiB_9
     Fe_(70)Cr_(18)Mo_2SiB_9中硼化物的变化规律
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     A study on Grain Protein Accumulation and Change of winter wheat in Henan Province
     河南省冬小麦灌浆期籽粒蛋白质积累变化规律的研究
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     A Study on Liveweight Change of Grazing Sheep
     放牧绵羊体重变化规律的研究
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  变化情况
     As for the change of blood-lipid: in the treatment group, TC↓1.20±0.76 mmol/L, TG↓0.82±0.29 mmol/L and LDL_C↓1.33±0.64 mmol/L showed the decline, though HDL-C increased 0.22±0.096 mmol/L, and the blood viscosity also decreased in varrying degrees (P<0.01);
     血脂变化情况 :观察组TC下降(1.20±0.76)mmol/L,TG下降(0.82±0.29)mmol/L,LDL_C下降(1.33±0.64)mmol/L,HDL_C上升(0.220±0.096mmol/L) ,血粘度也有不同程度下降(P<0.01) ;
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     Methods Comparing with the control, the change of cell immune function was observed through measuring T lymphocytes subgroups such as CD3、CD4、CD8、CD4/CD8 and the activity of NK in blood before and after treatment.
     方法与对照组比较,通过治疗前后外周血T淋巴细胞亚群CD3,CD4,CD8,CD4/CD8及NK细胞活性检测,观察患者细胞免疫功能的变化情况
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     Objective: To evaluate the change of peripheral Th1/Th2 cells in patients with CAP/CPPS and its significance in various clinical types of CAP/CPPS.
     目的:探讨慢性非细菌性前列腺炎/慢性骨盆疼痛综合征(CAP/CPPS)患者外周血Th1/Th2细胞分布的变化情况及其在CAP/CPPS临床分型中的意义。
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     Our results showed that WT1 gene expression rapidly decreased during the differentiation of NB4 cells. The molecular number of WT1 gene in 1 μg total RNA was 4×10 6, 1.56×10 6 and 0.4×10 6, respectively, prior to and at 12 or 24 hours after exposure to retinoic acid, and it was in accordance with the change of CD11b.
     结果发现 ,随着NB4细胞向粒系终末分化WT1基因表达迅速下降 ,全反式维甲酸(ATRA)作用 0 ,12 ,2 4小时后每 μg总RNA中WT1基因的分子数分别为 4× 10 6,1.5 6× 10 6和0 .4× 10 6,与CD11b的变化情况相一致。
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     The change of fasting plasma glucose(FPG),2 hour postprandial plasma glucose(2hPG),HbA_(1C),fasting plasma insulin(FINS) and 2 hour postprandial plasma insulin(P2hINS) levels were determined.
     所有治疗疗程12周,观察空腹血糖(FPG)及餐后2 h血糖(2hPG)、空腹胰岛素(FINS)及餐后2 h胰岛素(P2hINS)和糖化血红蛋白(HbA1C)的变化情况
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  change of
The change of benzene alcohol or phenoxetol with the writing age was also tested.
      
The change of magnetic characteristic of the array with the diameter and heat treatment was investigated.
      
The color travel effect was sensitive to the change of substrate materials, and different backgrounds can influence the hue and the color travel effect of the pigment.
      
UV-vis absorption spectrum and atomic force microscope (AFM) images indicated that the change of concentration and post-treatment temperature may adjust the band-gap of CdS to obtain stable, homogeneous and compact films.
      
The MC1595 was utilized to compose a phase detector in which difference of phases varies with the change of frequencies.
      
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The dependence of the entropy of a homogeneous system on the composition is investigated with the help of a reversible adiabatic process which allows the change of composition by means of a semipermeable wall. The conditions of equilibrinm for phase transition and for homogeneous chemical reaction are derived in a new way. Next the criterion of minimum energy for constant entropy and volume is derived from the principle of increase of entropy. This criterion is then applied to obtain the conditions of...

The dependence of the entropy of a homogeneous system on the composition is investigated with the help of a reversible adiabatic process which allows the change of composition by means of a semipermeable wall. The conditions of equilibrinm for phase transition and for homogeneous chemical reaction are derived in a new way. Next the criterion of minimum energy for constant entropy and volume is derived from the principle of increase of entropy. This criterion is then applied to obtain the conditions of equilibrium and stability with the help of Lagrange's multipliers. The conditions of stability are expressed in several alternative forms. Next the equilibrium properties of a binary system arc considered, and some types of phase diagram are explained by means of equations. The theory is extended to the general heterogeneous equilibrium of a system consisting of any number of independent components. A system of equations for the change of temperature, pressure, and composition are obtained and are solved by means of determinants. Next Planck's theory of a binary solution is extended to a solution consisting of several solnte components, with the same conclusion regarding the lowering of freezing point as for a binary solution. Finally Planck's theory on the number of coexisting phases for aone-component system is extended to a system consisting of k components with the result that a state with, σ coexisting phases is more stable than one with σ-1 phases: where σ is an integer not greater than k + 2.

本文首述如何应用一半渗透之壁使一物体所包含各种分子之数改变,因之决定此物体之熵与其各种分子数之关系,由此关系极易推出一物体在改变其形态时,如汽化凝结等,所应适合之平衡条件。且若形态不变,而发生内部化学作用时,其平衡条件亦易推得。 次述如何由熵之增加原理推出能量最小之法则,然後应用此法则,辅以拉革兰氏之不定乘子,以求得一物体之普遍平衡与稳定之条件。其稳定之条件且以各种不同之形式表示之。 继讨论二元物体在平衡时之性质,随之以多元物体之性质,求得一组方程式以决定当此物体之性质改变时,其温度压力及各种分子之数如何改变。曾特别注意及溶液之性质,对於融点之降低与沸点之升高有一普遍之证明。 最後推广卜朗克氏关於并存形态之理论於多元物体,得与卜氏相似之结论。

Weiss's theory on the change of Schrodinger wave functional on a surface as the surface changes is given in a complete form, allowing the Lagrangian of the field to contain all derivatives of the field quantities. The integrability of the resulting equation is proved by making use of the fact that the corresponding Hamilton-Jacobi equation is integrable. This gives at the same time a proof of the Lorentz invariancy of the commutation relations between the various conjugate variables, which so far...

Weiss's theory on the change of Schrodinger wave functional on a surface as the surface changes is given in a complete form, allowing the Lagrangian of the field to contain all derivatives of the field quantities. The integrability of the resulting equation is proved by making use of the fact that the corresponding Hamilton-Jacobi equation is integrable. This gives at the same time a proof of the Lorentz invariancy of the commutation relations between the various conjugate variables, which so far remained obscure as soon as we allow derivatives higher than the second of the field quantities to appear in the Lagrangian.

对於一曲面上之施落亭格波函数在曲面变化时所发生之变化,威士氏有一理论。今将其理论补充,使其完整,使此理论,在场之兰格伦日包含场量之各种微分时,依然可用。所获得之方程式之可积分性,用与其相当之哈密尔顿—雅科俾方程式之可积分性证明之。此种讨论,同时证明各种变数中之对换关系在罗兰丝变化下之不变性。

The Mannich bases derived from phenylacetone (Ⅰ,R=Me)and dibenzyl ke- tone (Ⅰ,R=CH_2Ph) prepared in our previous work gave expected semicarba- zones(Ⅱ) in neutral or slightly acidic media.Degradation of their methiodides gave vinyl ketone semicarbazones (Ⅲ).The structure of the latter was shown by their characteristic ultra-violet light absorption properties,and they gave in- tense absorption bands near 260 mμ.The pyrazolinecarboxamides (Ⅳ),if formed,would behave more like saturated semicarbazones such as Me·CO·CHMePh...

The Mannich bases derived from phenylacetone (Ⅰ,R=Me)and dibenzyl ke- tone (Ⅰ,R=CH_2Ph) prepared in our previous work gave expected semicarba- zones(Ⅱ) in neutral or slightly acidic media.Degradation of their methiodides gave vinyl ketone semicarbazones (Ⅲ).The structure of the latter was shown by their characteristic ultra-violet light absorption properties,and they gave in- tense absorption bands near 260 mμ.The pyrazolinecarboxamides (Ⅳ),if formed,would behave more like saturated semicarbazones such as Me·CO·CHMePh and CH_2Ph·CO·CHEtPh,which gave maxima located at about 230mμ.The vinyl ketone semicarbazones could not be converted to the cyclic compounds (Ⅳ) by treatment with concentrated sulphuric acid.It was recalled that Δ~2-isoxazolines,beside vinyl ketone oximes,were obtained by us previously from the degradation of Mannich base oxime methiodides. Both the dimethylamino(I:R=CH_2Ph,R'=Me) and the diethylamino(I: R=CH_2Ph,R'=Et) compounds gave the identical product (Ⅷ) on treatment with semicarbazide hydrochloride in the presence of excess sodium acetate.It was recalled that an abnormal compound,m.p.101-102,was formed by these two Mannich bases on treatment with hydroxylamine hydrochloride and sodium acetate.This product might be (Ⅶ),formed by elimination of a mole of hy- droxylamine from (Ⅸ),which is analogous to (Ⅷ). Treatment of the Mannich base (I,R=CH_2Ph,R'=Me) itself with sodium acetate gave dibenzyl ketone.This is the reverse change of the original Mannich reaction.However,its methiodide,on degradation with sodium hydroxide, gave a vinyl ketone which readily dimerised into a dihydropyran (Xa or Xb). Several expected pyrazolines were obtained from the Mannich bases and phenylhydrazine.Their ultra-violet light absorption characteristics were listed.

几个 Mannich 碱在中性或微酸性的情况下制成它们的缩氨基脲,其中一个Mannich 碱在碱性情况下形成一个含有两分子氨基脲的物质。那些 Mannich 碱缩氨基脲的季铵碱当在碱性情况下递降时生成乙稀酮的缩氨基脲,而不生成环状的化合物(Ⅳ)。从二苯甲基酮衍生的一个 Mannich 碱经醋酸钠作用后变为原来的1,3-二苯基丙酮,但这个 Mannich 碱的季铵盐经碱作用后成为乙稀酮,而这个乙烯酮迅速贰聚。几个4,5-二氢隣二氮杂茂自 Mannich 碱如预期地形成。上列许多产物的紫外线光谱曾经测定。

 
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