查询词典 fluctuation

Both overlong or overshort bottom duration and overlong or overshort fluctuation period are unfavorable for reduction of non-diamond content. Only moderate ones have optimal effects on it.3 Compared with a smooth microwave, a fluctuating one can reduce the diamond nucleation density slightly.4 In fluctuating microwave, even if a higher CH〓 concentration chosen, diamond films with quality better than that of those deposited at a lower CH〓 concentration and in smooth microwave can be obtained.In smooth microwave, the influence of O〓 upon the diamond films＇MWPCVD was investigated. It is found that:1 In the range of lower O〓 concentration, its increase is beneficial to improvement of quality of diamond films, but in that of higher one, its increase conversely deteriorates the quality of diamond films.

在脉动微波下进行了沉积金刚石膜的研究，得到下述结果：1）采用合适的脉动微波，能使金刚石膜的沉积质量显著提高，并能使金刚石膜中的微晶石墨得到几乎完全的抑制。2）过长或过短的平底时间或脉动周期均不利于金刚石膜中非金刚石相碳含量的降低，只有适中的平底时间或脉动周期才有最佳的降低非金刚石相碳含量的效果。3）脉动微波会使金刚石的形核密度有所下降。4）脉动微波下，即使选用较高的CH〓浓度，也能得到沉积质量比在平稳微波下采用较低的CH〓浓度所制备的金刚石膜的沉积质量要明显提高的金刚石膜。

In fluctuating microwave, deposition of diamond films was investigated and some significant results were obtained:1 An appropriate fluctuating microwave can distinctly improve the quality of diamond films, and can grow diamond films almost without microcrystalline graphite.2 Both overlong or overshort bottom duration and overlong or overshort fluctuation period are unfavorable for reduction of non-diamond content. Only moderate ones have optimal effects on it.3 Compared with a smooth microwave, a fluctuating one can reduce the diamond nucleation density slightly.4 In fluctuating microwave, even if a higher CH〓 concentration chosen, diamond films with quality better than that of those deposited at a lower CH〓 concentration and in smooth microwave can be obtained.

在脉动微波下进行了沉积金刚石膜的研究，得到下述结果：1）采用合适的脉动微波，能使金刚石膜的沉积质量显著提高，并能使金刚石膜中的微晶石墨得到几乎完全的抑制。2）过长或过短的平底时间或脉动周期均不利于金刚石膜中非金刚石相碳含量的降低，只有适中的平底时间或脉动周期才有最佳的降低非金刚石相碳含量的效果。3）脉动微波会使金刚石的形核密度有所下降。4）脉动微波下，即使选用较高的CH〓浓度，也能得到沉积质量比在平稳微波下采用较低的CH〓浓度所制备的金刚石膜的沉积质量要明显提高的金刚石膜。

Depositional sequences in different depressions of the complex faulting lacustrine basin were mainly controlled by both the episodic tectonic movements with different orders and the periodical palaeoclimatic variations. Both of these parameters controlled fluctuation of lake level and also variations of the accommodation spaces.

复式断陷不同断陷内的层序，主要受旋回内不同级别幕式构造运动和气候周期性变化的控制，两者的共同作用影响著湖平面的升降和可容空间的变化。

It may be necessary to palpate the lesion for firmness and fluctuation; rubbing will elucidate the nature of scales; scraping will reveal the nature of the lesion's base.

触诊法检查皮损的坚实度和波动感是必须的，摩擦可阐明鳞屑的性质，刮法可显露皮损基底的情况。

If looks out into the distance from the urban district, then may see this by far to the sweetheart by its enchanting celestial or angelic appearance, all smiles welcome four side guests, but if in immortal deer likely place, but the bird's eye view vast sea, looks out into the distance the fluctuation mountain range, the Sanya panoram gets a panoramic view.

若从市区远眺，远远便可望见这对情人以其迷人的仙姿，满面笑容地欢迎四方来客，而若在仙鹿像处，可俯瞰浩瀚的大海，远眺起伏的山峦，三亚市全景尽收眼底。

From the base to the crown in axial, the vessel-elements proportion increases in fluctuation, contrary to the ray proportion. The fiber proportions in the regions of base and crown are less than that in the trunk of tree, and fluctuate at 65% or so. The parenchym proportion increases quickly to the 1.3m height of tree, reaching the maximum at 9.52%, and then decreases quickly to the 3.3m height of tree (8.90%); afterward it leveled off and increases slightly.

组织比量轴向变异表现为随树高增加导管比量波动性递增，与木射线比量相反；纤维比量在近根区和近冠区稍小，而主干部稍大，并在65%左右波动；轴向薄壁细胞比量先随树高增加急剧增加，到1.3m树高处达最大值（9.52%）后又急剧降低至3.3m树高处的8.90%，以后基本稳定并在波动中略有增加。

By classified statistics for the peccant behaviors, the author designs the measuring model in virtue of event study and market model, and measures stock's credit risk on abnormal fluctuation of yield.

论文研究了上市公司违规失信行为所形成的股票信用风险，探讨其影响因素和预测方法，构建了符合我国证券市场环境和上市公司特点的股票信用风险评估模型，取得如下创新性工作结果：（1）构建股票信用风险测度模型，用以分析各类违规失信行为的异常损益。

The precipitation fluctuation influenced the changes of phenological events as well, especially in the arid and semi-arid region. There was a time lag for the response of vegetation activity to climate change, and the duration varied with scale, space and time.

无论是活跃生长开始日期的变化趋势，还是活跃生长结束日期的变化趋势，随着海拔的变化都具有明显的变化规律。

Finally, we phenomenologically separate phase according to magnetic fields, the results is consistent with our new idea where we use the Hamiltonian with curved surface to analyze XY model. In chapter Ⅳ, we make two hypotheses: the system has one-step time correlation and two-step time correlation. We find the effect of Ratchet potential is similar to OSTC which changes the system's relaxation. TSTC may facilitate the system to move forward or backward along the nonlinear wave of the thermal fluctuation.

第四章，我们进一步作了两个唯象的假设：体系有一步和两步时间关联；发现Ratchet势与一步时间关联有相似效果——改变了体系对热噪声的驰豫；而两步时间关联项则能够促使体系在热噪声的非线性波形上定向&冲浪&，或者促使体系躲避热噪声的扰动保持在势阱底部。

Therefore, we believe that decreased expression of NAP1 in NPC compare with NP represents merely a physiopathological fluctuation in the number and function of FDC that populate various NPC biopsies.

另外，NAP1蛋白的表达水平与正常鼻咽间质和鼻咽癌组织间质中位于生发中心的滤泡树突状细胞数目成正比。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。