Severe corrosion, leading to pitting, is often caused by concentration cells, particularly where differences in dissolved-oxygen concentration occur.
特别在溶解氧浓度有差别的场合,浓差电池常引起严重腐蚀、导致孔蚀。
They allow a certain amount of salt to enter their cells, bringing the salt content of the water within the plant, to a slightly higher concentration than that of the surrounding seawater.
它们允许一定量的盐分进入它们的细胞,将水中的盐分带进植物体内,并把其体内的盐含量提高到比周围海水稍高的浓度。
The viability of rat glomerular endothelial cells was inhibited by ioversol in a concentration and time dependent manner.
非离子型低渗造影剂碘佛醇能显著降低大鼠肾小球内皮细胞存活率,并呈剂量和时间依赖性。
He found that the concentration of chromium found in whales was several times higher than the level required to kill healthy cells in a Petri dish, Mr Payne said.
他发现,鲸身上铬浓度比杀死培养皿中健康细胞所需的量要高好几倍,佩恩说。
The investigators used genetically engineered E. coli cells to produce luciferase as a function of AHL concentration.
研究者用基因工程的大肠埃希菌细胞生产荧光素酶作为AHL浓度函数。
AIM: to investigate the effect of high glucose with various concentration on apoptosis of human lens epithelial cells.
目的:研究不同浓度的高糖对人晶状体上皮细胞凋亡的作用。
This sets up a chemical concentration gradient that tells stem cells how and where to develop.
形成化学浓度梯度,告诉干细胞如何以及向哪儿发育。
RESULTS the alkannin could inhibit the proliferation of the cells with dependence of concentration and time.
结果新疆紫草素能够抑制胃癌细胞的增殖,并呈浓度时间依赖性。
Results: the newer delivery systems increased drug concentration in infected cells or tissue, having slow release and lengthen of effective drug concentration.
结果:抗菌药物脂质体、纳米球、微球等可提高感染细胞或组织的药物浓度,同时具有缓释特性,延长有效药物浓度维持时间。
Result Bufalin had inhibition growth effect on ECV304 cells with different level, and had concentration and time dependence.
结果蟾毒灵对ECV304细胞的生长有抑制作用,且呈浓度和时间的依赖性。
Results DNA damage of bone marrow cells increased with the increase of benzene concentration and time of treatment.
结果随苯染毒浓度的增加,染毒时间的延长,骨髓细胞DNA迁移率和迁移度增加。
The concentration of adenosine cyclophosphate of membrane receptor G protein couple stimulates the functions of cells, and participates in regulating various signal transductions.
而细胞内膜受体G蛋白偶联的环磷腺苷浓度促进了细胞的各种功能,也参与调节了其他信号通路。
Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
进一步提高外源激素浓度,珠心细胞又可以分化出新的胚珠原基,进一步长大以后发育成许多新的胚珠。
Results the number of the adjuvant arthritis synovial cells were decreased as the concentration of O-Carboxymethyl Chitosan increased.
结果随着羧甲基几丁糖浓度的增加,类风湿性关节炎模型滑膜细胞的数量减少。
The cells combined human proinsulin gene has the ability of producing insulin with increase in glucose concentration in vitro.
所构建的重组人胰岛素原基因能指导靶细胞随葡萄糖浓度的变化调节胰岛素分泌。
The effect of DON toxin on cultured wheat cells was related to the toxin concentration, explants and subculture duration.
DON毒素对小麦细胞培养物的影响与毒素浓度、外植体来源和继代培养时间等因素有关;
Results: The proliferation inhibitory rate of PDTC on A549 cells increased as incubation time and concentration increasing(P<0.05 or 0.01).
结果:随着PDTC干预浓度的增大和时间延长,A549细胞生长抑制率增加(P<0.05、0.01);
Results:Brucea Javanica Emulsion has obvious inhibition to large intestine cancer cells with positive correlation to concentration and effective time.
结果:鸦胆子油乳剂对大肠癌细胞有明显的抑制作用,并且与药物浓度及作用时间呈正相依赖关系。
Glucose had little effect on metabolism of the yeast cells when glucose concentration was much higher than saturation growth constant KS.
当发酵液中的葡萄糖浓度远大于饱和生长系数KS时,酵母细胞的生长代谢规律受葡萄糖的影响很小。
It is probably due to single exposure of non-target cells to formaldehyde of extremely low concentration.
推测其原因,可能与一次性、极低浓度甲醛、非靶细胞接触有关。
Conclusion Certain concentration of oxymatrine can inhibit kidney fibrosis and protect mesangial cells, but have no effect on the phenotype of mesangial cells.
结论一定浓度的苦参素可以抑制肾小球纤维化,保护肾小球系膜细胞,而对系膜细胞的表型转化无明显作用。
The changes of the intracellular concentration of free calcium ion in myocardial cells in each group under different conditions were dynamically measured with spectrofluorometer.
采用荧光分光光度计动态测量不同条件下各组心肌细胞内游离钙离子浓度的变化。
Hypoxia preconditioning was performed as cells cultured in a tri-gas incubator for 7 days with oxygen concentration in 2%.
低氧条件采用三气培养箱,控制氧浓度在2%,持续培养7天,观察细胞生物学行为的变化。
The survival rate, specific death rate and nitrile hydratase activity of cells as the function of acrylamide concentration during the process were investigated.
研究了驯化过程中菌体存活率、比死亡速率和腈水合酶活性随丙烯酰胺浓度的变化。
The attacking concentration of serum was 20%, and the apoptosis rate of HK-2 cells was detected by flow cytometer.
以20%血清浓度作为攻击浓度,采用流式细胞仪分别测定上述各组细胞的凋亡率。
The cause of effects of sucrose concentration on the density of surviving cells was discussed through the analysis of the consumption rule of surplus sucrose.
通过分析薰衣草细胞对残糖的消耗规律,探讨了蔗糖浓度影响活细胞密度的原因。
Exposure of islet cells to high concentration of glucose, dexamethosone and palmitate can reduce the expression of PDX-1, therefore affects the insulin synthesis of islet cells.
高浓度的葡萄糖、糖皮质激素、脂肪酸可抑制PDX-1蛋白的表达,从而抑制胰岛细胞的胰岛素分泌功能。
Since density increases with the concentration of red cells, an unusually low density may indicate anemia.
血液的密度随着红血球的浓度而增加,因而过低的血液密度可说明患者贫血。
Objective To assay the concentration of neurotrophic factors secreted by human schwann cells that were cultured in vitro and to observe the time-concentration relationship.
目的测定体外培养的人雪旺氏细胞分泌神经营养因子在各时间点的浓度并观察其时间-浓度关系。
Objective To assay the concentration of neurotrophic factors secreted by human schwann cells that were cultured in vitro and to observe the time-concentration relationship.
目的测定体外培养的人雪旺氏细胞分泌神经营养因子在各时间点的浓度并观察其时间-浓度关系。
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