临界切除时间是电力系统稳定问题分析中最重要的稳定指标之一。
Critical clearing time (CCT) is one of the most important stable indices in power system transient stability analysis.
同时,还首次实现了暂态能量裕度和临界切除时间对网络结构和参数的解析灵敏度分析。
The analytical sensitivity analysis of TEM and CCT to network structure and parameters is also realized for the first time.
通过构造基于BP网络的临界切除时间(CCT)预测器进一步验证了特征提取的有效性。
By designing the BP-type ANN based CCT estimators with the selected features as inputs, the effectiveness of feature selection is further verified.
对影响算法优化结果的暂态约束门限值、故障切除时间等因素进行了全面的比较和深入的讨论。
Some key factor such as maximum rotor angel value and clearing time are also discussing intensively in this thesis.
该方法不必具体计算各个事故的临界切除时间,却可以得到各事故的临界切除时间和时间裕度的区间范围。
In the proposed method the calculation of the CCT of each contingency is not to be performed, but the interval of the CCTs and time margins can be obtained.
对单机无穷大母线系统进行了公式推导和仿真验证,从理论上探讨了多机系统的三相短路故障临界切除时间求解方法。
The formulae for SMIS are derived and verified by case simulation, the solution of critical clearing time (CCT) of three-phase short fault in MMS is theoretically discussed.
以河南电网为例,采用暂态安全定量分析软件FASTEST计算了不同动态负荷模型比例时的暂态功角稳定裕度和临界切除时间。
The transient Angle stability margin and critical clearing time are computed by FASTEST under different proportion of dynamic electric load model using in Henan Power Grid.
随着时间的推进,外科医生逐渐认识到哪些是要切除掉哪些是要保留。
Over time, surgeons learned more about what to cut out and what to leave.
在一段时间的化疗和放疗之后,艾玛接受了肿瘤切除手术。
After an arduous schedule of chemotherapy and radiotherapy, she had surgery to remove the tumour.
补充的的剂量应该随着时间逐渐递减,直到手术未切除的部分肾上腺恢复到可以分泌正常皮质醇激素的功能水平时停止。
The dose is then tapered over time as the remaining normal adrenal gland resumes adequate production of cortisol hormone.
如果时间足够,你甚至可以只切除肿瘤(取决于位置),无需切除胰腺或任何其他器官。
If you're on time, you can resect the tumor (depending on the site) without even needing to remove the pancreas or any other organ.
研究发现嚼口香糖能够加速全结肠切除或者是部分结肠切除术后肠道功能恢复的时间。
Gum chewing was found to speed up the time it took the intestines to begin working again after surgical removal of all or part of the colon.
目的是为了更少的切除以及较少痛苦和回复时间。
随访发现第二次椎间盘切除术后的平均持续时间是52.6个月。
The mean duration of follow-up after the second discectomy was 52.6 months.
双吻合器应用于直肠癌前切除术中的结直肠吻合具有操作简单,节约手术时间和安全等优点,并可适当提高低位直肠癌保肛率。
The double stapling technique is safe, and easily performed for colorectal anastomosis in deep pelvis, and it can enhance the rate of anal-saving operation in low rectal carcinoma.
很多术后生存时间超过5年的患者,可以被认为经外科切除治愈。
Many patients surviving at least 5 years seem to be cured by surgical resection.
这亦是时间,他评估前喉切除术的言论和认知病人。
This is also the time where he assesses the pre-laryngectomy speech and cognition of the patient.
结论:小梁切除术对角膜曲度的影响,多数患者于手术经线方向角膜曲度变深,其变化随时间减少。
Conclusions: Steepening in the meridian of the trabeculectomy site, the changes in corneal curvature induced by filtering surgery regressed with time.
结论癌肿姑息切除联合肝动脉置管埋泵化疗有助于提高中晚期肝癌患者的生存时间和生命质量。
Conclusions Palliative resection of liver cancer and implanted with a drug delivery system can improve survival duration and life quality of patients with advanced HCC.
做了胃切除手术时间尚短,正处于恢复要害时期,嗳气和腰背疼痛属于正常现象。
Did a stomach to excise operation time still short, be in renew crucial period, belch and lumbar back ache attribute normal phenomenon.
结论对无显微镜下淋巴结转移的结直肠癌患者,尽量切除全数淋巴结可明显延长患者的存活时间。
Conclusion Prophylactic lymph node dissection can potentially prolong the survival time of the patients with node negative colorectal cancer.
结论:甲状腺的改良切除手术,具有手术创伤减少、手术时间缩短、切口疤痕粘连发生率明显降低等优点,值得临床推广。
Conclusion: With improved thyroid resection, and less surgical trauma, surgical time, incision scar significantly reduced the incidence of adhesions, etc, which is worthy to be popularized.
结果根治性切除组、姑息性切除组和未切除肿瘤组中位生存时间分别为13、8和5个月。
Results The medial survival time of radical resection, palliative section and exploratory laparotomy were 13, 8 and 5 months, respectively.
结论小切口胆囊切除术具有创伤小,出血少、手术时间短、术后肠功能恢复快、住院医疗费用低等优点。
Conclusions MEC has the following advantages: less trauma, short operation time, fast postoperative recovery and lower expense.
在严重的情况下,这些不工作,这是唯一的时间,喉切除术是选择。
In severe cases that these don't work, that is the only time laryngectomy is opted for.
从消融治疗到肾切除平均时间为18个月。
穿孔修补平均生存时间6月,胃癌根治或姑息切除平均生存时间17月。
Medium survival time was 6 months in repair patients and 17 months in gastrectomy patients.
若摘除时间较长,伤口愈合好,则不会出血,只要切除干净对生育没有影响。
If the excision time is long, the wound heals well, will then not bleed, so long as will excise to gives birth cleanly has not affected.
若摘除时间较长,伤口愈合好,则不会出血,只要切除干净对生育没有影响。
If the excision time is long, the wound heals well, will then not bleed, so long as will excise to gives birth cleanly has not affected.
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