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RESULTS:(1) ET-1 could increase total protein production, surface area, ERKs activity and ［Ca2+］i in cultured cardiomyocyte in dose-dependent manner at concentrations ranging from 10-9 to 10-7 mol/L. And this effect could be abolished by BQ123, an antagonist of ETA receptor, partly inhibited by PTX, but not by BQ788, an antagonist of ETB receptor.（2）The activation of ERKs and the increase of ［Ca2+］i induced by ET-1 were obviously inhibited by PD98059, a selective ERKs kinase inhibitor, and nifedipine, a calcium channel blocker, respectively. Both antagonists partially inhibited ET-1-stimulated cardiomyocyte hypertrophic response.(3) Staurosporine, a selective PKC inhibitor, could inhibit ET-1-stimulated cardiomyocyte hypertrophic response and increase of ［Ca2+］i, but not affect the activation of ERKs.

结果： ①ET-1浓度依赖性增加新生大鼠心肌细胞蛋白质含量和心肌细胞表面积、ERKs活性及［Ca2+］i浓度，以上作用可被ETA受体拮抗剂BQ123所完全抑制，被百日咳毒素部分抑制，而ETB受体拮抗剂BQ788则无效；②ERKs激酶特异性抑制剂PD98059可完全抑制ET-1激活ERKs的作用，钙通道拮抗剂硝苯地平可明显抑制ET-1介导的［Ca2+］i浓度增加，但二者皆仅部分抑制ET-1介导的心肌细胞肥大反应；③蛋白激酶C选择性抑制剂staurosporine并不能明显抑制ET-1介导的ERKs激活，但可抑制ET-1介导的的［Ca2+］i浓度增加及心肌细胞肥大反应。

A new strain which is able to degrade cholesterol was isolated from Hog Deer feces by using selective medium. The selective strain can use cholesterol as the sole carbon source.

利用以胆固醇为唯一碳源的选择性培养基，从豚鹿粪便样品中分离出1株降解胆固醇良好的菌株。

It is more important that the proposed method offers a general approach, which can be applied to any other cations by simply replacing the lithium-selective ionophore with any other suitable cation-selective one.

更为重要的是，在这一体系中，若将其中的锂离子中性载体换成其它合适的离子载体，就可获得其它离子的荧光化学传感器。

Methods 469patients underwent selective uterine artery cathe terization and further intervenioen therapy,time needed for selective catheterization and catheter-related comˉplications were recorded.

使用罗伯特子宫动脉导管对469例患者进行选择性子宫动脉造影和介入治疗，统计插管所需时间及与导管操作相关的并发症。

In the selective oxidations, Manganese porphyrin mimic enzyme systems supported on different inorganic supports are designed and developed, which are applied in studies of green processes, such as, the selective olefin epoxidation with oxygen in either ionic liquid or water, the oxidation of alcohols.

在选择性氧化反应中，设计制备了不同无机载体的锰卟啉模拟酶体系，分别在离子液选择性和水相中开展了以氧气为氧源的烯烃环氧化、醇的氧化等绿色反应过程的研究。

Then basing the selective thread bar, we can select the speed reducer whose model is XB1-50 . Basing the selective harmonies waves speed reducer ,we can confirm the servo electromotor whose type is 110SZ07 . Then we can design the spindles of every component ,which conclude the spindle of between the speed reducer and electromotor axis, which is a round bond sleeve spindle and the spindle between the speed reducer and the thread bar, which is flat bond sleeve spindle , the bearing , the track whose type is roll track HJG-D25, and the collective structure of the plate.

根据给定的工作台的切削力、传动精度、行程等确定丝杠为滚珠丝杠副FC1-2004-2.5，由丝杠的尺寸及转矩，选择减速器为XB1-50型的谐波减速器，本根据谐波减速器的输入力矩尺寸及减速比，选择伺服电机为直流伺服电机110SZ07，其转速为10000rpm，然后设计元器件间的联轴器，包括减速器与电机轴间的半圆键套筒联轴器、减速器与丝杠间的平键套筒联轴器，设计轴承，导轨为HJG-D25的滚动导轨，及工作台的总体结构。

Furthermore, MYP was more selective and easier to prepare than PEMBA. Thus, it is considered to be a selective medium for B. cereus group microorganism.

其中MYP制备方便，培养时间短，更适合作为Bc群微生物的常规鉴定培养基。

"My suspicion is there might be some selective contract abrogation, combined with some penalties for the domestic players to prevent recurrence of the problems in future."

"我怀疑，有关方面可能会有选择性地终止一些合约，并处罚一些国内企业，以防止今后再次出现此类问题。"

The over-ovipositing of P.testacea is the main reason for selective abscission of syconium.

testacea的过度产卵是导致榕果选择性脱落的主要原因。

A new method of preparating PbS solar selective absorbing coating for medium temperature was presented.

对现有的中温太阳光谱选择性PbS涂层制备方法加以改进，直接在预处理过的铜片上化学镀PbS。

Thank you for your continued help on the home front!

感谢你的继续支持。

Methods: The clinical data, the results of bacterial culture and drug sensitivity tests of 108 ascitic specimens from cirrhotic patients with SBP were analyzed retrospectively.

对108例次腹水细菌培养阳性肝硬化腹水合并SBP患者的临床资料以及腹水细菌培养和药物敏感试验结果进行回顾性分析。