This work describes a discovery about the mechanisms that control stem cell function.
这个试验工作描述了一个发现，那就是控制干细胞功能机制。
I think this paper is highly cited because we show how distinct signals interact to control stem cell maintenance.
我认为这篇论文得到高度引用是因为我们阐明了独特的信号之间的相互作用是如何控制干细胞的维持的。
The first is an automatic, metabolic system whose control is centered in the brain stem.
第一种是自发的新陈代谢系统，它的控制集中在脑干上。
The cartel's producers, which control 40 percent of global exports, could curb their output by about a million barrels a day to try to stem the drop in prices, according to analysts.
石油输出国组织控制了全球40%的石油出口，一些分析家认为，为了抑制油价下跌，该组织成员会将石油日产量削减100万桶。
"Most businesses appear to have Conficker under control," he said. "They've applied patches and updated their anti-virus software to stem the spread of the worm."
大多数公司看来Conficker已得以控制“他说道，”他们给软件打好了补丁，升级了防病毒软件以遏制蠕虫的传播。
The hit will stem from Polo taking direct control of its wholesale and retail distribution in Asia.
这一打击将源自Polo直接控制其在亚洲的批发和零售渠道。
And they have identified many of the molecular pathways that control neural stem cell behavior in embryonic mice.
而且他们已经识别了许多控制小鼠胚胎神经细胞行为的分子旁路。
Researchers don't know yet what sparks cell division at the molecular level, but learning that process and how to control it could lead to a safe, effective stem cell therapy.
研究者还不知道在分子水平是什么激发细胞分裂，但是认识到这个过程以及如何控制它可以通往安全的有效的干细胞治疗道路。
Because embryonic stem cells are so immature, it is very difficult to control what kinds of cells they produce, and the fear is that a tooth could grow inside a heart, for instance.
因为胚胎干细胞没有完全成熟，它很难控制他们将来的类型，比如害怕在心脏旁边长一颗牙齿。
If researchers could control the production and differentiation of stem cells, they may be able to use them to replace damaged tissues.
如果研究者可以控制干细胞的产生和分化，将有可能用它们来替代损伤的细胞。
This thesis introduces the microcomputer control digital display sy - stem. It describes the structure aud the function of the hardware and Soffware of this system.
本文介绍微机控制的数字显示系统，阐述该系统硬件和软件的构成与功能。
The practice results show that it is notable effect for this method to control moisture of cut stem, stability and precision to be improved and advanced.
实践结果表明，用此控制方法来控制梗丝水分效果显著，稳定性好，精度有明显地提高。
It is important element of production management to control soil water content reasonably and harmonize growth between root and stem at this stage.
合理地控制土壤水分含量，协调地上部分和地下部分的生长是此期生产管理的重要环节。
Boiler control system is composed of drum water level control system, stem pressure control system, hearth negative pressure control system and combustion economical control system.
锅炉控制系统可以分为汽包水位控制系统、蒸汽压力控制系统、炉膛负压控制系统和燃烧经济控制系统。
Pneumatic jaw valve adopts pneumatic draw stem and it can control remotely or in local equipped with fittings grouping.
气动鄂式闸门采用气动推杆，通过配件组合可以远距离操纵或现场控制。
It adopts pneumatic draw stem and can realizes remote or local control equipped with accessories.
采用气动推杆，通过配件组合可以远距离操纵或现场控制。
Evidence about infection control in AML is not enough in contrast to hematopoietic stem cell transplantation. Further studies are necessary to establish the strategy for microbial infections in AML.
与造血干细胞移植相比，AML出现感染的治疗证据还不足，还需进行进一步的研究以建立AML合并微生物感染的治疗策略。
It is one of the key techniques of improving timber quality of poplar to effectively control the nodal scars of stem and decrease the Numbers of insect hole.
有效地控制杨木节痕和减少虫眼是提高杨木质量的关键技术之一。
Left ventricular end diastolic internal diameter remained unchanged in the stem cell transfer group at 6 months, the results indicate, whereas it increased significantly in the control group.
研究结果表明，干细胞移植治疗组的6个月后的左室舒张末期的内径保持不变，而在对照组是显著增加。
Flow vibration in turbine control valve is the major consequences of valve stem rupture, valve disc damage as well as the resonance of valve and its pipings.
调节阀的流体振动会造成阀杆疲劳断裂与阀碟的损坏，以及整个阀门及管道系统的共振。
Spinal cord injury models were established by compression method in rats of model control group and stem cell transplantation group.
模型对照组、干细胞移植组大鼠采用重物压迫法建立脊髓损伤模型。
Mild strain cross protection (MSCP) is the most effective method to control the stem pitting tristeza virus.
应用弱毒系交叉保护（MSCP）是防治茎陷点型柑橘衰退病的有效方法之一。
The stem seal of a feed water control valve uses expanded graphite packing in order to produce friction and to economize on energy for the control valve working.
电站锅炉给水调节阀的阀杆密封采用柔性石墨填料，既降低了摩擦力，又为调节阀的运行节约了能源。
Result:the number of neural stem cells in dentate gyrus of the mice in HMG was higher than that in PMG(P<0.01), but there was no difference between the PMG and the control(P>0.05).
结果：记忆力强组小鼠海马齿状回的神经干细胞数目明显多于记忆力弱组（P<0·01），而记忆力弱组与对照组比较，其神经干细胞数目差异无统计学意义（P>0·05）。
At the late period, plant height, stem diameter and leaf area index of the bio-organic fertilizer treatments were higher than that of the control.
在生长后期，经过生物有机肥处理的株高、茎径和叶面积指数均比对照区高。
The paper discusses condition of Yang stem weevil in NeHe and puts forward control measure.
本文论述了讷河市杨干象甲发生现状，并提出了治理对策。
The simulation results show that the control sy stem which uses the robust PID controllers has better robust performance than th at of the conventional PID control system.
仿真结果表明，用本文方法设计的过热汽温控制系统比常规的PID控制具有较好的鲁棒性能。
The simulation results show that the control sy stem which uses the robust PID controllers has better robust performance than th at of the conventional PID control system.
仿真结果表明，用本文方法设计的过热汽温控制系统比常规的PID控制具有较好的鲁棒性能。
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