查询词典 trans-sonic

However, when trans-4-aryl-3-buten-2-ones were taken as the substrates, the electron-rich but less sterically hindered ligand 9c gives the best results (up to 96.4 % ee) with highly catalytic activity.

而富电子但空间位阻小的配体9c对亚节基丙酮类底物获得最好的结果(%。4%ee)，同时还表现了最好的化学活性。

AIM: To study the effect and mechanism of all-trans retinoic acid on neural stem cell proliferation and differentiation from new born Sprague-Dawley rat striatum.

目的：研究全反式视黄酸对体外培养的NSCs分裂增殖和分化的作用及其机制。

A three-level energy model is forwarded on the nonlinear absorption properties o f a two-photon absorption dye trans-4-[4′-(N- hydroxyethyl- N-eth ylamino)styryl]-N-methylpyridinium p-toluene sulfonate.

提出了有机染料反式 4 [4′(N 羟乙基 N 乙基胺基)苯乙烯基 ] N 甲基吡啶对甲苯磺酸盐非线性吸收的三态模型。

The whole PWM circuit contains two subcircuit, the front-end is PWM module that make up of the counter that based on nine MOSFET True-Single-Phase-Clock D flip-flop; the back-end is demodulated module, which is consist of a three order Chebyshev low-pass filter used trans-conductor capacitor. All the subcircuits are simulated. At last, an approving simulated result of the whole circuit is given too.

在调制部分，利用九管单相时钟D触发器构成计数器，并由此组成了脉冲宽度调制电路，同时给出了在典型温度下的仿真结果；在解调部分，介绍了低通滤波器从无源到有源的设计方法，设计了三阶切比雪夫低通跨导电容滤波器，同样给出了相应的仿真结果；最后，作为将脉冲宽度调制电路和滤波器作为整体电路，以脉冲调频波为输入进行了仿真，取得了令人满意的结果。

The strategy target of BAMC: By building two network platforms of the terrestrial digital video broadcasting and cable TV network, BAMC aims at forming two business integration on content and services and will become a first class business operator concentrating on networks and platform in the subdivisional market. The final target is to build a large media industrial group with powerful media business, trans-regional development, internationalization and possession of many domestic famous media brands.

北广传媒集团的战略定位：通过搭建地面数字播出与有线网络传输两个网络运营平台、形成内容集成与服务集成两项核心业务集成，成为专注于细分市场上一流的网络和平台运营商，并迅速发展为一个媒体主业形态突出、产业链条完整、跨地域拓展、国际化程度较高、汇聚一批国内知名媒体品牌的大型媒体产业集团。

Objective:To observe the effect of tension-free trans-obturator suburethral tapeto treat stress urinary incontinencein the follow-up of two years.

目的：探讨经闭孔无张力尿道中段悬吊术在减少围手术期并发症的同时，是否会降低其远期疗效。

Tension-free trans-obturator suburethral tape; Female ; Stress urinary incontinence

经闭孔无张力尿道中段悬吊术；女性；压力性尿失禁

Several sources may serve as reservoir of pluripotential stem cells.including bone marrow from a monozygotic twin(syngenetic trans-plant).a family member or unrelated donor with an identical human leukocyte antigentype.autologousbone marrow or peripheral blood.and more recently HAL-matched umbilical cord blood.

包括骨髓。从单双。家庭成员或无关供者与一个相同的人类白细胞抗原型。自体骨髓或外周血。以及最近的HAL匹配的脐血。单一的HLA不相合骨髓doner也造成了成功的移植。在较为有限sitiations 。

A new technology to synthetize trans-1,4-polyisoprene with bulk precipitation polymerization in the presence of supported Titanium catalysts was introduced, and the technogical process , its economical and qualty index were discussed.

简要介绍了采用负载钛体系催化异戊二烯本体沉淀聚合法合成高反式-1，4-聚异戊二烯的新技术、工艺流程和技术经济指标。

Thestercoselectivity of the reaction of propargylide was different completely from that of the reactionof telluronium 3-trimethylsilylalltide with α,β-unsaturaled ketones and trans-trimethysilylacetylenyl-l-benzoyleyelopropane derivatives were obtained.

发现这一反应的立体化学与同样条件下含硅烯丙基碲叶立德和α，β-不饱和酮反应的立体化学完全不同，得到的是又式-2-三甲基硅基乙炔基-1-酮基环丙烷衍生物。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。