藻类在死区大批生长。
病变范围缩小，液化坏死区更为明显。
The lesions became smaller and the colliquative necrosis area more obvious.
并分析了加载系统中存在的死区及减小死区的措施。
The dead zones exist in loading system and corresponding measures for reduction are analyzed.
这将导致电压和电流的畸变，也就是所谓的死区效应。
This causes well known dead time effect which distorts the output voltage and current.
采用了改进的死区效应补偿方法以获得理想的输出波形。
A modified dead time compensation method was used to obtain better output voltage waveforms.
另外还确定了IGBT的缓冲电路参数、死区时间参数等。
In addition, the appropriate parameters of snubber circuits and dead-times for IGBT were worked out.
本文分析了死区效应对串联形电能质量补偿器的影响情况。
In this paper, the influence of dead-time effect on series power quality compensator (SPQC) is analyzed.
船舶运动呈非线性，操作机构有明显的死区、继电等非线性；
The motion of ship is nonlinear. The operating machine has nonlinearity such as dead zone and relay.
梗死区室壁运动指数(RWMSI)在两组间无显著性差异。
There was no significant difference in regional wall motion score index (RWMSI).
死区之所以得名概因其含氧量低，造成该地区水生生物无法生存。
The Dead Zone is aptly named due to the low levels of oxygen, causing no aquatic life to survive in this area.
同时，继电器不存在动作的“电压死区”，具有明确的方向性。
There is no operative"voltage dead zone", and the definite directionality exists.
但实际测量时由于计数器的死区时间，使得无间隙采样十分困难。
But in practical measurement, it is very difficult to make no dead time sample due to the counter's dead time.
注意典型的血管构成，如图左边坏死区域肿瘤细胞呈栅栏状围绕。
Note the prominent vascularity as well as the area of necrosis at the left with neoplastic cells palisading around it.
此外，提前给予甲状腺原氨酸的小鼠显示比对照组有显著的较小梗死区。
In addition, mice preconditioned with thyronamine showed significantly smaller infarcts than controls.
报告也很重视水质的提高，尤其是应对墨西哥海湾晚春时节出现的巨大死区。
The report also puts a priority on improving water quality, particularly on countering the giant dead zone that develops in late spring in the Gulf of Mexico.
死区时间选择的不合理会使逆变器件产生过高的浪涌电压和电流甚至损坏。
Unreasonable selection of dead time can make inverting components to produce higher inrush voltage and current and even damaged.
死区效应可被视为一种空间矢量，它由两个因素决定：扇区数和相电流方向。
Dead-time effects can be regarded as a kind of space-vector, which is determined by two factors: sector number and direction of phase current.
通过选择缓冲电容器的死区时间和数值，便能够在所有运行模式中实现软开关。
Through choosing the dead band time of amortize capacitor and numerical value, can realize soft switch in all operation pattern.
分析表明其电压动作死区很小，比传统的功率方向元件具有更高的动作灵敏性。
Analysis shows that the voltage operating dead zone is small and have more sensitivity than traditional power directional relay.
科学家们说已在世界各地发现，从一平方公里到七万平方公里大小不等的海洋死区。
Scientists say ocean dead zones, which vary in size from one square kilometre to 70, 000 square kilometres, have been found all over the world.
氮，磷污染通过被称为富营养化的这个过程，在近海岸水域集中泛滥，从而形成海洋死区。
Marine dead zones form when nitrogen and phosphorus pollution concentrates in near-coast waters through a process called eutrophication.
畜牧业很可能是水污染的最大来源，造成富营养化、沿海地区出现“死区”和珊瑚礁退化。
The livestock sector is probably the largest source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas and degradation of coral reefs.
文中分析了其拓扑结构和工作原理，详细讨论了该系统的稳态补偿特性和死区补偿方法。
AS the topology and operating principles of the system analyzed, its steady compensation characteristic and dead effect compensation are discussed in detail.
针对PW M电压型变频器死区时间对输出电压的影响，提出了一种死区时间补偿方案。
Aimed at the influence on the inverter output voltage caused by the PWM inverter dead-time, one dead time compensation strategy is proposed.
澳大利亚科学家担心，随着海洋死区范围和数量不断加大，地球已到了另一次大灭绝的边缘。
Australian scientists fear the planet is on the brink of another mass extinction as ocean dead zones continue to grow in size and number.
结果表明，死区效应引起了逆变器输出电压波形畸变，引起了电机电流波形畸变和转矩脉动。
The results indicate that the dead time effect distorts inverter output voltage and current waveform and increases torque ripples of the motor.
并根据仿真模型分析了间隙、死区等非线性因素对系统精确度的影响，提出了改进性能的措施。
According to simulation model the effect of backlash and dead zone nonlinear on system performances was analyzed, and the measures of improving the system performances were put forward.
目的探讨应用三维彩色室壁运动(CK)技术测量梗死区和非梗死区心搏量和射血分数的方法。
Objective To develop a new method for measuring stroke volume and ejection fraction in the infarct and non infarct area with three dimensional color kinesis (CK) technique.
目的探讨应用三维彩色室壁运动(CK)技术测量梗死区和非梗死区心搏量和射血分数的方法。
Objective To develop a new method for measuring stroke volume and ejection fraction in the infarct and non infarct area with three dimensional color kinesis (CK) technique.
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