signal activity

During the annular eclipse, ionosphere is disturbed suddenly by the solar activity, the time signal propagation for the Loran-C sky wave exhibits obvious changes.

1987年9月23日发生的日环食期间，由于电离层受太阳活动的突然扰动，Loran&C天波时号传输呈现明显的变化。

There are two difficulties in the spike detection: spike signals are frequently superimposed on local field potential ( LFP) that reflect the activity of populations of cells near the electrode tip, moreover, the recorded extracellular signal represent a time derivative of the intracellular signal.

从记录的信号中检测锋电位（spike）将遇到两个困难：由周期性振荡的局部场电位引起的基线漂移和由溶液-电极-细胞系统的微分效应导致的锋电位波形变化。

Similar to a boundary event on an activity, an event subprocess listens for its trigger signal only when the containing process is active.

事件子流程类似于某个活动上的边界事件，仅在包含流程处于活动状态时监听它的触发信号。

Structure-activity Research of Signal Factors Inducing Agrobacterium vir Genes

诱导根癌土壤杆菌vir区基因表达信号分子的构效研究

Conclusion DHA compound could inhibit the activity of TPK and decrease signal conduction with cancer cells.

结论DHA复合物具有抑制TPK活性,降低细胞内的信号传递,抑制癌细胞增殖的作用.

But contradicting this red signal was another unofficial indicator showing nationwide manufacturing activity may be moderating.

但另一个非官方指标与这一警示信号相矛盾,该指标显示,全国范围的制造业活动可能正在放缓.

PP1 is composed of catalytic subunits and regulatory subunits, which modulates metabolism, cell differentiation and signal transduction by dephosphorylation. The regulatory subunits determine the substrate specificity, activity and subcellular localization of PP1.

Ⅰ型蛋白磷酸酶（PP1），通过去磷酸化蛋白调节机体代谢、细胞分化以及信号转导等。它由催化亚基和调节亚基组成，后者决定磷酸酶的底物特异性，活性以及亚细胞定位。

Second, another drug screening model based on reporter gene and the signal transduction of PPAR γ system was established for finding new small molecular compounds with activity of improving insulin sensitivity.

基于报告基因检测技术和过氧化物酶体增殖体激活受体γ（PPARγ）信号通路，建立PPARγ信号通路的筛选模型，并应用于初筛具有胰岛素增敏活性的小分子化合物。

In this paper, signal peptide was added before the N-terminus of CEMA with the intention to reduce its toxic to plant cells while maintaining the strong antibacterial activity.

本文通过在CEMA的N端添加信号肽，对其进行改造，以探索不降低抑菌作用的同时，降低其对植物细胞毒害作用的可能性。

The frenzy of activity defies predictions of a slowdown in the private equity-driven deal boom but could also signal a desire by buy-out funds to rush into deals before credit markets take a turn for the worse.

交易活动狂潮有违预期。外界曾预计，私人股本推动的交易热潮将有所放缓。但这可能也表明，收购基金希望赶在信贷市场状况转坏前，匆忙进行交易。