DNA damage by chlorinated disinfection during water reuse in the lymphocytes from the spleen of mice assessed by the comet assay 用彗星试验研究氯化消毒中水对小鼠脾淋巴细胞DNA的损伤作用
The copper nut and resilient are connected by embedded way, two parts closely integrated into one body, hardly loose and damage by shock from water flowing. 铜螺母与弹性阀门采用嵌入式接合,使二者紧密接合为一体,不因水流动造成震荡而产生松动或损坏现象。
The experimental results show that the damage to reservoir caused by injection water is comprised of water sensitivity, suspended particle plugging and scaling. 结果表明,造成该油田注水井堵塞的原因有:固相颗粒堵塞、注入水与地面水不配伍形成无机垢堵塞、细菌堵塞。
Comprehensive research on mechanism of Sha-20 East reservoir damage by water injection A Dynamic Testing Method for Laboratory Evaluation of Drilling Fluids and Cement Slurries 注水对沙20东储层损害机理综合研究钻井液与水泥浆损害油层室内综合动态评价方法
Based on the capillary pressure data measured with high velocity centrifugal method, the formation damage by additives for injected water was evaluated. 根据高速离心法测定的毛管压力数据,评价了注水处理剂对中低渗透率地层的损害。
Research on formation damage by additives for injected water in Dongxin oil field; 吐哈油田在钻井完井过程中采取了一系列措施以避免地层损害。
Compatibility of injected water and formation water as well as the formation damage caused by water quality are the main factors to affect the development of low permeable reservoir. 注入水与地层水的配伍性和水质对地层的伤害是影响低渗透油藏开发的重要因素。
Equipped With A New Style Of Air Filter, That Can Increase Filtering Efficiency By30%. This Can Protect Equipment From Damage By Water, Dirty Oil And Other Hazardous Material. 配备新型空气过滤器,比同类普通过滤器提升30%过滤效果,保护设备不受水、污油和杂物侵害。
Wet damage was caused by higher water content in soil. 湿害是由田间土壤含水量太高对作物造成的伤害。
The common use of water for fire suppression is unsuitable for aviation and spacecraft because of wasting much water and tending to cause device damage by the large water drop. 常规的水灭火由于用水量大,水滴直径大而易导致设备的损坏和不利于节约用水,无法在航空、航天设备中应用。
This paper analyzes major phenomenon of pavement damage by water and mechanism of occurrence, and explaines relevant factors that generate damage by water and recommendes counter measures for pavement damage by water prevention. 分析了路面水损坏的主要现象及其发生机理,阐述了产生水损坏的相关因素,提出了预防路面水损坏的相关对策。
The evolvement of rock damage impacted by swirling water jet was simulated with nonlinear finite element method and dynamic rock damage model. 采用非线性动力有限元和岩石动态损伤模型模拟了旋转水射流作用下岩石的损伤破坏过程,其中岩石损伤场的求解采用解耦的方法。
Filtrate damage was caused by liquid water block in which relative permeability of base rock could be reduced. 滤液损害是通过液相水锁降低基岩中油气的相对渗透率。防止方法:使用表面活性剂降低表面(或界面)张力;
The experiments demonstrate that it can well describe rock damage features caused by water, and so it provides the theoretic basis for analyzing landslide phenomenon caused by rainfall infiltrating into rock masses. 结果表明,该理论能较好地描述岩石遇水损伤演化特征,从而为岩质边坡细雨入渗滑坡现象提供理论依据。
Damage by Microbes in Circulating Water and Its Control 循环冷却水中微生物引起的危害及其控制
It is summarized in this article the damage caused by water stress, temperature stress, salt stress to plants. The methods we often used in research are also reviewed. 本文综述了水分胁迫,温度胁迫,盐胁迫对植物造成的伤害以及研究胁迫常用的方法指标。
Laboratory Study of Formation Damage Factors Caused by Injected Water Quality 注入水水质地层伤害因素室内研究
Study on Pavement Structure Damage by Water 路面结构水损坏的研究
Repairing of aqueduct damage by water and other failures 渡槽水毁及其它破坏的修复
Damage to low-permeability reservoir by water locking effect and its inhibiting and removing methods 水锁效应对低渗透储层的损害及抑制和解除方法
This paper investigated the water sensitive and velocity sensitive damage in Anan oilfield, and formation damage caused by poor water quality injected. 讨论了阿南油田注入水的水敏性和速敏性损害以及由于注入水水质不合格带来的储层损害。
Simulation of formation damage caused by injection of water produced from oil well 对油井产出水回注造成地层损害的模拟
As one typical catastrophic geomorphologic process, debris flow is one of important damage induced by water of highway. 作为一种典型的灾害地貌过程,泥石流是山区公路重要的水毁类型之一。
The level of formation damage induced by injected water scaling in the oilfield is evaluated with core displacement test. 采用岩心驱替试验评价了商河油田注入水结垢对地层的伤害程度。
Objective To study the inhibiting effects of green tea leachate on DNA damage induced by organic extracts from water. 目的探讨绿茶浸出液能否抑制水中有机污染物对细胞DNA的损伤。
Reinjecting produced sewage into reservoir will cause the formation damage in ASP flooding of Daqing oilfield, so the paper studies the damage reason caused by sewage water. 通过大庆油田三元复合驱采出污水回注对地层存在损害的现象,研究了污水造成损害的原因。
Damage by water is one of threats faced with coal mine safety. The precondition of flood control and prevention in mine is to find out the style of water bursting source. 水害一直是煤矿安全生产面临的主要威胁之一,快速、准确掌握突水水源的水源类型是矿井防治水工作的前提。
Erosion damage, caused by water current carrying sand grains and impacting the channel border of fluid-pass parts, is one of important reasons of early failure of hydraulic turbines. It is a concrete behavior of fluid grain abrasive and is regarded as a cosmopolitan technical problem. 水流挟带沙粒冲击流道边壁造成的冲蚀损伤是水轮机涡轮等过流件早期失效的重要原因,它是流体动力学磨粒磨损的具体体现,被认为是世界性的技术难题。
According to statistics, around the world, agriculture and social damage caused by drought and water shortage equal to the sum of the damage caused by other kinds of natural disasters. 据统计,在世界范围内,由于干旱缺水对农业和社会造成的损失相当于其它各种自然灾害造成的损失之和。