讨论了带变号扰动并且具有一定附加条件的临界椭圆方程的两个正解存在性。
This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition.
提出一种基于伴随系统和变号系统的求解电力系统经典模型稳定边界上不稳定平衡点的方法。
A new method based on adjoint system and minus system to compute unstable equilibrium points on the stability boundary of power system classical model is proposed.
给出了广义变号函数的概念，以及在数学、力学、图论等中的应用，这一新概念有着实际的应用价值。
First, by comparing with the definition of ordinary function, the definition of the general function and the equality of two generalized functions are introduced.
主要研究一类三阶两点边值问题变号解的存在性和多重性，利用不动点指数和拓扑度理论等得到了新的结论。
We show existence results for multiple sign-changing solution for third-order two- point boundary value problems by using the fixed point index and the topologic degree theory.
我也知道系统序列号肯定不会变，所以不会出现由于系统ID变化导致的应用程序许可证问题。
I also knew that the system serial number was guaranteed not to change, so I wasn't going to have application licensing problems because the system ID had changed.
序列号没有变。
我仔细检查了每个配置文件，发现分区id和总线号都没有变，见图6。
I double checked each profile and found that the partition id and the bus Numbers had not changed - refer to Figure 6.
紫外-可见吸收-反射谱图表明10-11号样品同其他的比较具有变窄了的和高的反射峰。
Samples No. 10 and 11 show contracted and high reflection peaks in UV-vis.
在电网实际运行中，富二厂1、2号主变并列运行时产生了功率不平衡。
Power imbalance occarred while Nos. 1 and 2 primary transformers were operating in parallel at Fularji No.
结果两品种M_1代籽粒色泽的辐射反应有差异，较高剂量辐射可使扬麦5号粒色变深，但对宁麦3号作用不大。
The effect on M1 grain coat color was different between two varieties, the higher doses made grain coat color of "Yangmai 5" redder, but had hardly effect on "Ningmai 3".
九江发电厂1号循泵变极改造后节能效果明显，对降低厂用电率、提高机组运行整体经济性的效果显著。
After retrofit of no. 1 circulating-water pump pole-change in Jiujiang power plant, energy saving effect is obvious, it can reduce service power rate and increase total economy of units operation.
本论文提出了一种反向法变极绕组的系统设计方法和最小对称槽号组的概念。
This paper proposes a systematic method in the design of pole-changing windings based on reversing coil techniques and the concept "the minimum symmetric coil groups".
1996年对浙江黄岩本地早及其变株新本1号感染柑桔病毒类病害的情况进行了研究。
The infection of citrus virus and viroid diseases on Bendizao and its mutant new Ben No. 1 was studied in Huangyan, Zhejiang during 1989~1996.
年5月5日，阿朗谢巴德在自由7号任务中弄湿了他的裤子，但是阿波罗号的卫生间设备还在越变越糟。
On May 5, 1961, Alan Shepard wet his pants aboard Freedom 7, but Apollo bathroom facilities would get a lot worse before they got any better.
年5月5日，阿朗谢巴德在自由7号任务中弄湿了他的裤子，但是阿波罗号的卫生间设备还在越变越糟。
On May 5, 1961, Alan Shepard wet his pants aboard Freedom 7, but Apollo bathroom facilities would get a lot worse before they got any better.
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