1) piezoresistive
[pai,i:zəuri'zistiv]
力敏效应
1.
Traditional piezoresistive pressure sensor adopts the piezoresistors to transform pressure into electric signal.
研究表明,在应力作用下,MOS晶体管的源漏电流的大小会随着沟道区所受应力大小而变化,具有类似压敏电阻的力敏效应。
2.
Compared with the traditional piezoresistive pressure sensor,this new sensor s sensitivity was improved significantly,and the power was decreased.
基于MOS晶体管的这种力敏效应,采用晶体管和电阻构成压敏电桥,提出了一种新型的MOS晶体管式压力传感器。
2) pressure-sensitive effect
压敏效应
1.
A research on the seepage flow pattern of low-permeability reservoirs under consideration of threshold pressure and pressure-sensitive effect:a case of Member L1 in Weixi'nan depression
综合考虑启动压力和压敏效应的低渗透油藏渗流规律研究——以涠西南凹陷L_1段为例
2.
A pressure-sensitive effect affects unfavorably the production performance of fractured low-permeability reservoirs with horizontal fractures.
压敏效应对含水平裂缝的低渗透油藏开发具有重要影响。
3.
Prediction model for production declining rules is established and considered as effects factor on production in the process of elastic energy development in high-pressure and low permeable and pressure-sensitive reservoir including open pressure,pressure-sensitive effect and dynamic output impedance of fracturing fracture flow conductivity.
建立了考虑异常高压低渗透压敏油藏在依靠弹性能量开发过程中影响其产量递减的启动压力、压敏效应以及压裂裂缝导流能力的动态衰减等因素在内的产量递减动态预测模型;通过半解析方法求解并编制出相应的模拟软件,实现了产量递减动态的快速预测。
3) Jamin effect
贾敏效应
1.
Jamin effect,the open and close of microfracture,starting pressure gradient in reservoir result in high initial water cut.
结果表明,在特低渗油藏,钻井和压裂过程造成的水锁效应使地层原油难以流动;贾敏效应的存在阻塞了油流的通道;地层微裂缝的开启与闭合、启动压力梯度的存在导致生产井初始含水率较高;岩石物性特征决定了油藏的初始含水饱和度高,进而使初始含水率比较高。
2.
The microscopic oil production mechanism reverse flooding is overcoming Jamin effect and breaking down the plugging; while the macroscopic mechanism is the fact that the oil is from the oil-rich region around fault and non-connective layers, and from medium, low water flooded layers, which lay a theoretical founda.
阐述了朝阳沟油田注水井微观出油机理和宏观出油机理,以及逆向驱油(注水井转抽)可以克服毛管力的圈闭作用和贾敏效应,证明了在毛管力作用下注水井周围的油层中存在大量的剩余油,为挖掘低渗透油田剩余油潜力提供理论依据。
3.
obvious influence of Jamin effect on low permeability reservoirs, 2.
结果表明 :1贾敏效应是不可忽视的作用力 ;2水驱油效率低 ;3自吸驱油现象明显 ;4油层结垢损害应当预防。
4) piezoresistive effect
压敏效应
1.
The results show that the precondition of CBCM possessing the piezoresistive effect is its electric net reaching the vadose zone.
研究表明,水泥基材料具备压敏效应的前提条件是其导电网络达到渗流区,而碳纤维由于长径比大、密度小,极小掺量即可使水泥石进入渗流区,产生压敏效应。
5) compression-sensitivity
压敏效应
1.
Carbon fiber reinforced cement (CFRC) not only possesses superior deformation-resistance sensitivity (compression-sensitivity),but also possesses superior temperature-resistance sensitivity (temperature-sensitivity).
碳纤维增强水泥 ( CFRC)既具有很好的变形 -电阻敏感性 (压敏效应 ) ,又具有很好的温度 -电阻敏感性 (温敏效应 ) ,这两种效应耦合在一起 ,给精确测试带来很大的困难 。
6) pressure sensitive effect
压敏效应
1.
During the development,the production of producers is affected by many factors,such as the attenuation of formation energy,pressure sensitive effect and the attenuation of fracture flow capacity.
开发过程中油井产量受地层能量的衰减、压敏效应以及裂缝导流能力衰减等因素的影响。
2.
Based on the factors mentioned, the fluid-solid coupling mathematical model is established with the consideration of pressure sensitive effect and the dynamic attenuation of fracture flow capacity.
对于异常高压特低渗透压敏油藏注水开发困难,一般采用人工压裂依靠天然能量开发,开发过程中油井产量受地层能量衰减、压敏效应以及裂缝导流能力衰减等因素的影响。
3.
The productivity is affected by many factors,such as the formation energy declining,pressure sensitive effect,actuating pressure and the decreasing of fracture flow capacity.
此类油藏一般注水困难,多依靠较充足的天然能量开发,开发过程中油井产能受地层能量衰减、压敏效应、启动压力以及压裂裂缝导流能力衰减等因素的影响。
补充资料：力敏效应
分子式：
CAS号：
性质：对某些半导体材料施加一定垂直压力后，会引起电阻值显著变化的现象。利用力敏效应可制成把应力变为电信号的力敏传感器。锗、硅、铟锑等半导体材料可制作力敏元件。利用半导体材料的压阻效应和压电效应制成的力敏元件和其他力敏元件相比具有很多优点：灵敏度和精度较高，动态特性和线性度好，迟滞小，体积小，结构简单，使用寿命长，可靠性好，并可使计算显示与控制电路一体化，为仪器的微型化、数字化、高精度化开辟了广阔前景。
CAS号：
性质：对某些半导体材料施加一定垂直压力后，会引起电阻值显著变化的现象。利用力敏效应可制成把应力变为电信号的力敏传感器。锗、硅、铟锑等半导体材料可制作力敏元件。利用半导体材料的压阻效应和压电效应制成的力敏元件和其他力敏元件相比具有很多优点：灵敏度和精度较高，动态特性和线性度好，迟滞小，体积小，结构简单，使用寿命长，可靠性好，并可使计算显示与控制电路一体化，为仪器的微型化、数字化、高精度化开辟了广阔前景。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条