机械损伤

PZT在机械损伤检测中的应用

The application of PZT in mechanical damage Detection

文中介绍了非线性谐波在线检测技术的检测原理，并以FPGA为核心设计了一种基于非线性谐波方法的机械损伤检测传感器。

In the paper , the fundamental principle of NLH method is introduced , and a kind of mechanical damage inspection sensor based on FPGA is designed ;

冻干会造成乳酸菌细胞膜的损伤，主要有：机械损伤、溶质损伤、细胞膜渗透性损伤、DNA损伤；

Freeze-drying can damage cell membrane .

ADM对大鼠早期肾脏机械损伤的影响

Effects of Adrenomedullin on rats with early trauma in the kidney

人视网膜色素上皮细胞机械损伤模型中IL-8和MCP-1的表达

Expression of IL-8 and MCP-1 in Human Retinal Pigment Epithelial Cells after Mechanical Injury

牙髓炎性和机械损伤性伤害刺激诱导大鼠Vc内Fos表达的比较研究

The study of the expression of Fos in Vc of rats induced by the pulpal inflammatory and mechanical noxious stimulation

体外原代培养大鼠胚胎脊髓神经细胞机械损伤后的凋亡与caspase-3的表达

Apoptosis and caspase-3 expression of primary cultured spinal cord neurons of rat embryo following mechanical injury in vitro

方法：甲基硝基亚硝基胍溶液加胃粘膜机械损伤诱发Wistar大鼠胃癌前病变状态。

Methods : In animal experiment , precancerous lessions of gastric cancer models were induced by MNNG in wistar rats .

通过CFD仿真分析，与原血泵比较，优化后的血泵血液的机械损伤减小。

Through CFD simulation analysis , comparison with the original blood pump , the optimized blood pump blood to mechanical injury has been reduced .

机械损伤、化学因子及微量的病原体细胞壁成分均能激活昆虫PPO级联反应。

Mechanical injury , chemical factor and the components of the cell wall of pathogens can activate the PPO cascade .

肾小球系膜细胞（GMC）的增殖通过影响细胞外基质（ECM）的分泌和对肾小球毛细血管的机械损伤而在肾小球硬化过程中发挥着重要作用。

BackgroundThe GMC proliferation plays an important role in glomerular sclerosis by influencing the ECMs secretion and mechanical injury on the glomerular capillaries .

目的探讨机械损伤对人皮肤角质形成细胞前列腺素E2（PGE2）分泌的影响及其可能的机制。

Objective To investigate the effects of mechanical damage on prostaglandin E2 ( PGE2 ) secretion in human skin keratinocytes , and explore its possible mechanism .

DNA的收集采用低速离心法，避免了用钩子挑出对DNA造成的机械损伤。（5）用双蒸H2O溶解DNA，利于以后测序工作的进行。

Centrifugal method of low speed was used in the collection of DNA , comparing to hooking DNA , this method could avoide making machinery injury to DNA ( 5 ) Dissolved DNA with sterile distilled water which had advantage to sequencing .

目的研究体外培养神经元机械损伤后不同亚型Homer蛋白表达的变化规律，进一步阐明Homer与神经元损伤的关系。

Objective To study the expression and significance of Homer in mechanically injured cortical neuron in vitro in order to elucidate the relationship between Homer and neuronal injury .

结果显示，机械损伤可诱导H2O2系统性产生，无论是受伤叶片、系统叶片还是诱导叶片，在伤害处理60min内，H2O2含量一直增加，240min后含量达最大值后开始下降。

The results showed that the mechanical wounding could induce the systemic concentrations of H2O2 , the contents sustaining increased in 60 minutes , and reached the max point at 240 minutes .

指出了抽油杆沿管内壁纵向摩擦形成沟槽状机械损伤，以及H2S、CO2和Cl-共同腐蚀是造成油管早期失效的主要原因。

It is identified that the said early failure of the tubing resulted from the groove-like mechanical damage caused by the longitudinal abrasion by the sucker rod against the tubing inside surface and the joint corrosion by H 2 S , CO 2 and Cl.

作为距离敏感性技术，CELT通过化学刻蚀的方式实现微/纳米尺度的材料选择性去除，并且没有机械损伤和热作用。

As a distance sensitive method , it can realize micro / nano precision material removal by chemical etching , which has no mechanical damage and heat effect .

真叶期机械损伤处理后第15d起黄瓜植株的株高、茎粗、最大叶叶面积和叶数与对照达到了显著、极显著差异。

After mechanical wounding treatment 15d at stage of the first true leaf , the height 、 the width 、 the largest leaf area and leaf number with the control were reached a significant , very significant differences . 2 .

机械损伤才是更换的主要原因。

Mechanical abuse or loss are the chief cause of replacement .

苹果机械损伤应力松弛特性的研究

A study on stress relaxation properties of mechanical damage of apple

化学和机械损伤对大鼠血管内皮细胞的影响

Effects of chemical and mechanical injury on vascular endothelial cells

气力输送粮食颗粒机械损伤问题的研究

Researches on the Mechanical Damage of Pneumatically Conveyed Granular Grains

后囊破裂主要因素为机械损伤。

The main factor of PCR was injured by machine .

玉米种子的机械损伤对其发芽率的影响

Impact of Mechanical Damage of Corn Seed to it 's Germination Percentage

超声观察大鼠颈总动脉机械损伤模型

Ultrasonic observation on mechanical injury model in rat carotid artery

管道机械损伤在线检测技术的研究

Research on In-line Inspection Technology for Mechanical Damage in Pipelines

机械损伤大鼠结合上皮后的组织修复观察

Tissue Repair of Rat after Junctional Epithelium was Mechanically Damaged

苹果贮运时的机械损伤规律及评价

Evaluation of Mechanical Bruise of Apple During Transport and Storage

结论：右心导管术对静脉内皮有机械损伤。

Conclusion : Right heart catheterization may injure venous endothelium .

热压氮化硅陶瓷在热疲劳下的机械损伤

Mechanical Property Loss of Hot-Pressed Si_3N_4 under Thermal Fatigue Conditions