查询词典 gradients

Part one: Iconographic measurement. For the sake of providing the rational data for designing the AC-AFF, 160 cases of normal persons and 60 cases of cervical spondylotic myelopathy were included in this part. The endplate gradients and anterior cervical column heights of all above cases were obtained by use of Iconogiaphic measurement.

对160例正常人及60例脊髓型颈椎病患者颈椎侧位X线片的颈椎椎体上下终板倾斜角及颈前柱高度进行了测量，旨在为AC-AFF的设计提供更为合理的数据。2、颈前路可调式融合固定器的研制。

In combination with the geological features of the ga wells in West Sichuan, such as multi-payzone high pressure gradients and a large lithological change in channel sand bodies, etc., the casing cementing and perforation completion were adopted for the main well and branch holes in the well group and the interzonal pressure seals of the main well and branch holes, and the separate well fracturing and producing were all realized through a completion string with dual-tubing and dual-packer.

结合川西地区气井多产层、高压力梯度、河道砂体岩性变化大等地质特点，该井组主井眼和分支井眼均采用套管固井、射孔完成，通过双油管和双封隔器的完井管柱实现了主井眼和分支井眼的层间压力分隔和分井压裂、分井采气。

Intracardiac hemodynamics regarding gradients can also be determined as part of the assessment of valvular heart disease.

也可测定心内血流动力学梯度作为对心脏瓣膜病评估的一部分。

Therefore, it's necessary to solve the gradients of the limit state function by numerical methods.

因此，对于隐式的或复杂的显式功能函数，必须采用数值微分方法来求解功能函数的梯度。

Using the measured response matrix of the SSRF storage ring,the gradients in all 200 quadrupole magnets were determined,and the calibration factors of steering magnets and beam position monitors were obtained at the same time.

测量结果表明，在四极铁强度调整幅度在1.5%以内的情况下，储存环的束流光学参数成功地恢复到和设计值相当接近的状态，beta函数和色散函数畸变小于1%。

Numerical examples show that the least- squares images can be efficiently retrieved in a few iterations of conjugate gradients method.

数值实例表明，通过少数的共轭梯度法迭代，就能得到与真实模型差别很微小的偏移效果。

Simulation of Loop domain near active site was carried out with the PROLOOP programm. The initial model was energy-minimized by the 500 steps of steepest descents method and 500 steps of conjugate gradients . The Vanderwal contacts were eliminated, and the energy of the static electric interation and hydrogen binding were adjusted

优化工作用PROLOOP程序，将活性中心附近LOOP前后的有关残基构象进行最佳拟合，并采用GROMOS软件包中的能量优化程序，作500步最陡速降法及500步共扼梯度法进行优化，彻底消除范德华半径重叠，并进行原子间静电和氢键作用的优化调整，最终得到UK-B链最优结构。

In this study,we introduced the use of sodium chloride step gradients in fractionating foreign DNA fragment for microinjection.

与传统的琼脂糖凝胶回收的方法相比较，用此方法制备的外源DNA片段对小鼠受精卵进行显微注射后，受卵体母鼠的胚胎存活率，以及子代小鼠的外源基因整合率均有明显的提高。

In 2005, we have fulfilled the improved experiment, which included a new cave laboratory with more homogeneous gravitational background, a modified pendulum with a quadrupole moment of mass distribution to further quiet the contribution from the local gravity gradients, a high vacuum chamber to suppress the disturbance from the residual air current, the synchronous monitors of the rotating period of the turntable and temperature, the modulation experiment of background magnetic field, and so on.

新的实验中进一步克服了2002年实验中的背景引力梯度的影响，同时还进行了温度、回转周期稳定性的同步检测和磁场影响的调制实验，以及数据处理方法的研究，进一步提高了实验的置信水平。

One way to speed up an LC run is to increase the temperature, and this article discusses the benefits of elevated temperatures, including sensitivity improvements, selectivity changes and simultaneous analysis of polar and nonpolar analytics using temperature gradients.

一种提高分析速度的方法是提高温度，本文讨论了升高温度的优势，包括灵敏度改善，选择性变化，以及采用温度梯度同时分析极性和非极性分析物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。