It thus became possible to study the cathode rays, and also the fluorescence they caused, outside the discharge tube and Lenard concluded from the experiments that he then did that the cathode rays were propagated through the air for distances of the order of a decimetre and that they travel in a vacuum for several metres without being weakened.
但是后来，1892年他在波恩大学做赫兹的助手时，赫兹让他观察了他的新发现，赫兹将一片盖上铝箔的含铀玻璃片放入放电管，当用阴极射线轰击铝箔时，铝箔下面发出了亮光。
P. E. A. Lenard, a German physical scientist who won the Nobel Price in Physics in 1905, became a persistent follower of Hitler and murder of thousands of Jewish people by producing some poisonous chemicals.
双胞胎词汇：a blessing and a curse 的出现为文章锦上添花，孤独的名词前面用丰富的形容词进行温暖使得句式更加丰满充实。
Chapter 5 and 6 are concentrated on the fundamental problem how to con-struct finite-dimensional and infinite-dimensional Liouville integrable Hamiltonsystem. Starting from two isospectral problems, Tu's scheme is applied to gen-erate the corresponding CKdV hierarohy and coupled Burgers hievachy, andthey are shown to be Liouville integrable Hamilton systems. Two spectral prob-lems, which contain three and four potentials respectively, are also studied byTu's scheme. Two new Liouville integrable Hamilton hierarchy are estab-lished. A new general approach using Lenard's gradient sequence is presentedto obtain Lax integrable hierarchy and their zero curvature representation, andsome examples are given. The nonlinearization procedure is applied to theeigenvalue problem of coupled Burgerrs hierarchy. It is shown that underBargmann constraint, the spatial part of the Lax pairs is nonlimearized to be afinite-dimensional Liouville completeiy integrable Hamilton system.
第五、六章研究如何从一个谱问题出发构造可积发展方程族及其零曲率表示、Hamilton结构和判断Liouville可积性：通过对二类具有2个位势的等谱问题直接研究，利用屠格式生成了耦合KdV族和耦合Burgers族，并证明它们均为Liouville可积的广义Hamilton方程族；而通过分别具有3个和4个位势的等谱问题，遵循屠格式构造了二族新的Liouville可积的广义Hamilton方程族；给出了利用Lenard梯度递推序列产生发展方程族及其零曲率表示的一种方法，作为应用，讨论了CKdV族，BPT族及耦合Burgers族的产生及其零曲率表示；应用非线性化技巧，证明了在Bargmann约束下，耦合Burgers族的Lax组可被线性化为Liou-ville完全可积的Hamilton系统。
Through monitoring at Wuying National Forest Park in Yichun, the authors find that the result of Lenard effect is the most notable in all generable mechanisms of NAI.
通过对伊春五营国家森林公园负离子浓度的监测发现，在空气负离子产生的各项机理中，勒纳尔效应的效果是最显著的。
Philipp Lenard even claimed that the massenergy equivalence formula of Einstein should be credited to Friedrich Hasenohrl if it had to made an Aryan creation.
菲利普。莱纳德甚至宣称，如果爱因斯坦的质能当量公式确实创造了一个雅利安时代，那也应归功于弗里德里希。哈泽内尔。
He carefully constructed a black cardboard covering similar to the one he had used on the Lenard tube.
他精心构筑的黑色纸板包括一个类似于他使用的莱纳德管。
By the functional gradient method of eigenvalue problem, we find out the Lenard operator pairs of Levi vector field and is so commutator representation of Levi equations.
本文使用特征值问题的泛函梯度方法，给出levi向量场的Lenard算子对，建立Levi方程族的换位表示；
Lenard: Jane. Why do you always like to have the last word?
雷容：珍。你为什麽老是喜欢抬杠？
In this paper, through the study to the hierarchy of coupled nonlinear evolution equations, and its related eigenvalue problem, it is proved that the solution space to the eigenvalue problem and the solution space to the Lenard eigenvalue problem are differentiable homeomorphism.
通过对一族耦合非线性扩散方程及其相关的特征值问题的研究，证明了此特征问题的解空间与对应的非线性Lenard特征值问题的解空间是微分同胚的；
A New Bridge Function for Binary Lenard-Jones Mixture Study on Stability of Surfactant/Polymer-Flooding Produced Fluids and Demulsification
二元Lenard-Jones流体混合物的桥函数二元复合驱采出液稳定性及破乳研究
Lenard (1915) found that when water is atomized (e. g. on impact of a water droplet), negative and positive charges are SEPARATED.
勒纳德（1915年）发现：当水变成雾状（例如水滴的碰撞）时，就会分割出正负电荷。
Stevens'attorney, civil rights lawyer Lenard Leeds, said he planned to file a discrimination lawsuit against AAG, and would likely seek millions of dollars in compensation.
史蒂文斯的律师、民权律师伦纳德•里兹说他打算对大西洋汽车集团提出歧视诉讼，并将可能索赔数百万美元。
In this paper, by the spectral gradient method we first give the Lenard's operator pair of the spectral problem (1), and obtain a new hierarchy of the soliton equations.
利用谱梯度方法，首先给出谱问题（1）的Lenard算子对，由此获得一类新的孤子方程族。
From Physics Master to Soul Seller: The Man and Things of Philipp Lenard
从科学大师到灵魂出卖者&勒纳德其人其事
A New Bridge Function for Binary Lenard-Jones Mixture Study on Stability of Surfactant / Polymer-Flooding Produced Fluids and Demulsification
二元Lenard-Jones流体混合物的桥函数二元复合驱采出液稳定性及破乳研究
Lenard (1915) found that when water is atomized (e.g. on impact of a water droplet), negative and positive charges are SEPARATED.
勒纳德（1915年）发现：当水变成雾状（例如水滴的碰撞）时，就会分割出正负电荷。