查询词典 B-S

A system of three-wavelength EDRAW was constructed. Optical data was written into BR film with 670 nm laser based on the B to P photochemistry reaction. Then the information was erased with 490 nm laser based on the reconversion of the photoproduct state P.

根据B到P态的光化学反应过程，利用670nm红光实现信息的写入；采用490nm波长光使P态复原为基态，以擦除所记录的信息；利用B和P态吸收特性的差异，选择594nm波长光实现了信息的读出。

A quantitative description of variation of the demagnetization curve rectangularity of Nd-Fe-B magnets with sintering process and a study of the effect of relative density, grain size and its distribution on the demagnetization curve rectangularity of Nd-Fe-B magnets are presented in this paper.

定量描述了Nd-Fe-B磁体J-H 退磁曲线方形度与烧结过程的关系，分析了相对密度、晶粒尺寸及其分布对磁体J-H 退磁曲线方形度的影响规律。

Objective To explore and discuss the prevention and treatment of hepatitis B virus reinfection after liver transplantation for severe hepatitis B.

目的 探讨重型乙型肝炎肝移植术后乙型肝炎病毒(hepatitis B virus， HBV)再感染的防治。

We presented the extraction of Wilson coefficients, the evolvement of the renormalization group and the definition and current experimental progress of CP violation of B meson.

介绍了Wilson系数的抽取和重整化群演化，B介子系统CP破坏的定义和实验测量现状，给出了相关的理论公式，并对目前和未来的B介子实验做了简要的评述。

Kinetic analysis indicated that the photocatalytic degradation of dye rhodamine B was one order reaction.

通过对罗丹明B光催化降解动力学的研究表明，罗丹明B的降解呈一级动力学特征。

To overcome the great dependence of interior parameters and the easy being affected by the complex background of Ribbon Snake, a B-spline Ribbon Snake was constructed, where the smoothness of the Snake was implicit in the B-spline formulation and the flexibility of the Snake was adjusted by the number of control points.

为了克服模型对内部参数依赖性较大、容易受到复杂背景干扰影响的不足，采用B样条曲线对道路的平滑性进行约束，与Ribbon Snake相结合建立道路提取算法，通过调节控制点的数目增强曲线的灵活性。

The patients were divided into four groups. Group A included 48 women with previous unilateral salpingectomy. Group B included 41 patients with previous bilateral salpingectomy. Group C included 50 patients with obstruction of fallopian tube while group D included 40 patients with hydrosalpinx (without surgical procedure before). The ovarian responses to superovulation and the outcomes of IVF-ET were evaluated.

选择2006年2月至2007年6月在本中心行常规IVF-ET治疗的179例不孕患者为研究对象，共分为A、B、C、D四组，A组为48例单侧输卵管切除患者，B组为41例双侧输卵管切除患者，对照C组为50例双侧输卵管阻塞患者，对照D组为40例单侧或双侧输卵管积水患者，比较4组患者在IVF-ET周期中卵巢对控制性超排卵的反应及其结局的差异。

Although individuals in the UKPDS receiving sulfonylurea therapy demonstrated an early increase in B -cell function from 45% to 78% in year 1 of the study(consistent with a secretagogue effect of the sulfonylurea agent) B -cell function subsequently decreased along the same slope as the diet treated group.

虽然UKPDS中接受磺脲类治疗的个体显示，在研究的最初一年B细胞功能从45％上升到78％（磺脲类制剂的持续的促分泌作用）而在饮食治疗组随后有相同坡度的降低。

In common with other populations of Han nationality in North China, the present population revealed a high frequency of ⅡB (0.2135), and a slightly higher frequency of n (0.5016) than that of m (0.4984). High frequency of Le (24.17%) was observed. Among 94 individuals tested, 4 cases of Le were found to be ABH secretor secreting A or B substances but not H substance. A total of

在94人中还发现四名Le型属于ABH分泌型，且都属于分泌A或B血型物质的类型，无一例为分泌H血型物质的类型； Rh阴性率仅0.3％，CCDee和CcDE型占75％以上； P_1型占39.1％； ABH分泌型占72％，低于全国其他民族中已知的分布。

This will cause that Signal Tower to transmit the signal in Signal Slot B instead of Signal Slot A.

将开关由 A扳动到 B——这将使信号塔通过 B插槽传递信号。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。