介

The important parameters for the wave absorption effects are electromagnetic loss factor, complex dielectric constant , complex magnetic conductivity.

评价吸波效能的主要参数是损耗因子、复介电常数、复磁导率。

The calculated results indicate that the dielectric function, complex reflectivity index and absorption spectra of the crystal are related to the electronic structures of the crystal.

介电函数的虚部、吸收光谱、折射率等的峰值位置存在一一对应关系，这与电子从价带到导带的跃迁吸收有关。

The effect of external stress on dielectric function and conductivity is consistent with the effect on absorption spectrum.

外压对介电函数和导电系数的影响计算结果与对吸收光谱的影响是一致的。

On the respect of piezoelectric properties, Mn coexisted as Mn〓 and Mn〓 in PZNPZT system and suitable Mn doping as acceptor improved Q〓 and lowed tan δ greatly, meanwhile, high density assured K〓 out of decrease.

适量的锰掺杂使PZN-PZT体系的机械品质因数Q〓上升和介电损耗tan δ下降，同时瓷体较高的致密度又保证了机电耦合系数K〓不致降低。

The influence of acetone concentraion and temperature on the metastability has been investigated.

实验考察了丙酮浓度和温度对溶析结晶介稳态的影响。

Our results suggest that COX-2 activity is involved in ethanol-induced HCV-RNA and NS5A protein expression, because acetylsalicylic acid, a COX-1/2 inhibitor, blocked this induction and downregulated COX-2 protein expression and activity.

研究结果表明，环氧合酶-2活性，涉及酒精介导的丙型肝炎病毒核酸及ns5a区蛋白表达，因为环氧合酶-1 / 2抑制剂——乙酰水杨酸，可阻断这种诱导机制，并下调环氧合酶-2蛋白的表达和活性。

This indicated that CD4~+CD25~+ regulatory T cells played acritical role in mediating maternal tolerance to the fetus and maintainingpregnancy.

这些研究表明，CD4~+CD25~+调节性T细胞在介导母体对胚胎这个半同种异体抗原的免疫耐受及维持妊娠方面发挥了重要作用。

Experiments show that Ang Ⅱ activates JNK mediated by AT〓, and JNK increases transcription activity of c-Jun by phosphorylating c-Jun amido-terminal, and induces expression of c-Fos gene. c-Jun and c-Fos form transcriptional factor activated protein-1 complex. AP-1 may stimulates genes which correlate with cardiovascular remodeling expression, such as transforming growth factor, collagen type Ⅰ and Ⅲ, skeletal muscle α-actin,β-MHC, atrial natriuretic factor.

实验表明，在心肌和血管平滑肌细胞Ang Ⅱ通过AT〓介导激活JNK；JNK通过磷酸化c-Jun氨基末端增加c-Jun的转录活性并诱导c-Fos基因表达，c-Jun和c-Fos蛋白形成转录因子复合物激活蛋白-1(AP-1)，并刺激各种心血管重塑相关基因如转化生长因子-β1(TGF-β1)、Ⅰ，Ⅲ型胶原、骨骼肌α-actin、β-MHC(β-myosin heavy chain，β-肌球蛋白重链)、心钠素的表达。

The result indicates that nitrogen on Si/SiO2 interface reduces active energy and decreases the immunity for NBTI stress.

其结果表示氮离子在矽╱矽氧化层的介面上，会降低活化能，减小元件对於负偏压温度不稳定性应力的抵抗力。

this article discusses the integral theorem of mean the promoted question, mainly has two aspects: On the one hand in analyzes in the teaching material under the first integral theorem of mean condition, had proven lies between the value spot to have to be possible to obtain in the open-interval, further discusses this knot promotes to the generalized Riemann integral, and further proved the conclusion also establishes to the promoted first integral theorem of mean; Promotes on the one hand in addition the integral theorem of mean to in the curve and the curved surface, and has proven the curvilinear integral theorem of mean and the surface integral theorem of mean.

本文讨论积分中值定理的推广问题，主要有二个方面：一方面在分析教材中第一积分中值定理的条件下，证明了介值点必可在开区间内取得，进一步将这个结论推广到广义Riemann积分，并进一步证明结论对推广的第一积分中值定理也成立；另一方面，将积分中值定理推广到曲线和曲面中，并证明了曲线积分中值定理和曲面积分中值定理。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷