gradient methods的例句大全

The intent here is to identify the basic ingredients of gradient methods.

本节的目的就是了解一下梯度法的基本内容.

The PHD thesis is to study the super-memory gradient methods for optimization problems.

本文研究非线性最优化中的超记忆梯度算法。

Conjugate gradient methods are important iterative methods for solving optimization problems.

共轭梯度法是求解最优化问题的一类有效算法。

The methods of geopressure prediction are appreciated in this paper, The results show that seismic internal transit time deviation-pore pressure gradient convertion take advantage of the known pressure data ( RFT).

研究了压力预测的方法，推导地震声波时差差值&压力梯度法的计算公式并指出它的优点是能够充分利用已知的钻井实测压力资料；

Comparative experiments on methods for calculating logarithmic surface pressure gradient in spherical coordinates

对数场面气压梯度的数值计算方法比较

Self-Diffusion Coefficients of Polymer in Polymerization Measured with Pulsed Field-Gradient NMR Spin Echo Methods

用加脉冲梯度场的NMR自旋回波法测量高分子聚合过程中的自扩散系数

[ Methods] The primary skeletal muscle satellite cells of New Zealand white rabbits were cultured with different adhesion time method and incontinuous Percoll density gradient centrifugation technique.

【方法】分别采用差速贴壁法和Percoll非连续密度梯度离心法进行新西兰兔肌卫星细胞的原代培养并进行纯化。

Current gradient intermediate layer coating by laser cladding or the general thermal spray and other thermal processing methods available.

目前梯度涂层的中间过渡层一般采用激光熔覆或热喷涂等热加工方法获得。

Methods The EtOH extract of radixes of Daphne genkwa was initially separated with silica gel chromatography eluted by petrol/ acetone gradient.

方法芫花根醇提物以硅胶柱层析，石油醚/丙酮梯度洗脱。

The purified virus sample gained by sucrose density gradient centrifugation was proved to be typical absorbance curve of virus nucleoprotein and pure virus by methods of SDS-PAGE and electron microscopy and so on.

通过差速离心法和蔗糖密度梯度超速离心后所得的提纯病毒样品，用紫外分光光度法检测可见典型的病毒核蛋白吸收曲线，用SDS-PAGE分析和电镜观察也证明该样品为病毒纯品。

Methods Using gellan gum, a cation-sensitive gel forming excipient, huperzine A ( Hup A) nasal in situ gel was prepared by pH gradient precipitation method.

方法用阳离子敏感性成胶辅料结冷胶，采用pH梯度沉淀法制备了石杉碱甲鼻用原位凝胶。

METHODS A gradient mobile system was applied in the experiment. The fingerprints of different samples were compared with similarity evaluation software published by committee of codex.

方法采用低压梯度洗脱方法进行色谱分离，实验测定多批药材并记录指纹图谱，不同样品之间的相似度采用国家药典委员会开发的中药色谱指纹图谱相似度评价系统研究版（2004A）计算。

METHODS: The experiment was completed in the laboratory of Department of Burns and Plastic Surgery, General Hospital of Chinese People's Armed Police Forces from January 2000 to June 2004. Different concentration gradient of matrine was used in the keloid-derived human fibroblasts cultured in vitro.

方法：实验于2000-01/2004-06在武装警察部队总医院烧伤整形科实验室完成。

Methods: The experimental condition of the RP-HPLC method was as follows: Shim-pack CLC-ODS column ( 150 × 4.6 mm), with linear gradient elution using acetonitrile and water; The flow rate was 0.8 mL/ min; Detected wavelength was 235 nm;

方法：采用RP-HPLC法，Shim-pack clc-ODS（150×4.6mm）色谱柱，乙腈和水梯度洗脱，流速0.8mL/min，检测波长235nm，柱温25℃。

-hydroxysteroid dehydrogenase ( 11?-hsd) activity in 50 patients with essential hypertension and 34 healthy volunteers. methods: the ratio of cortisol and cortisone in urine were measured by hplc gradient delivery method.

方法：应用HPLC梯度洗脱法测定50例原发性高血压患者和34例健康志愿者尿中氢化可的松和可的松的比值，以比较其肾11β-羟化类固醇脱氢酶（11β-HSD）活性的差异。

Results The percentage of cancer cells collected by gradient centrifugalization was 94.65 ± 28.47, positive rate of drugs sensitivity was 71.11%, which is significantly higher than those of traditional methods ( P < 0.01).

结果采用梯度离心法收集纯化癌细胞，癌细胞获得百分率为94.65±28.47，药敏阳性率为71.11%，与传统方法相比，差异有非常显著性（P

Methods By in situ collagenase perfusion and two step percoll gradient centrifugation, SECs were isolated from normal Wistar rats and cultured on collagen type ⅰ or laminin coated coverslips.

方法用胶原酶原位灌注、Percoll不连续密度梯度离心法分离大鼠的SEC，并加入包被有型胶原或层粘连蛋白（laminin，LN）基质的盖玻片上培养。

Objective: To evaluate the efficiency of density gradient and improved swim-up methods for motile sperm isolation from fresh semen samples in intracytoplasmic sperm injection and embryo transfer ( ICSI-ET) program, thus guiding the clinical application.

目的：评价密度梯度离心和改良上游法两种处理活动精子的分离方法在卵细胞胞质内单精子显微注射（ICSI）中的效果，从而指导临床应用。

Methods: The selection techniques of swim-up, Percoll density gradient centrifugation and doule-flection tube were used to observe sperm chromosome abnormality rate, sex chromosomal ratio and the percentage of spermatozoa with relatively intact head ultrastructure.

方法：分别应用上游法、Percoll密度梯度离心法及双曲管优选法处理精液，观察优选前后精子染色体畸变率、精子性染色体比例及超微结构相对正常的精子百分率。

Latest development of high gradient magnetic separation ( HGMS) and several advanced methods of mass separating and purifying by magnet-select technology, and their applications in mass-elimination, bio-science petrochemical fields are presented.

详述了高梯度磁选技术的最新进展和几种先进的物料提纯及分离磁选工艺，并介绍了它们在石油化工、除杂质、生物技术等方面的应用。