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On the basis of the conversion relation of inverse matrix and adjoint matrix, by using 1/ω instead of |B'(xBx(subscript k|, a new Landweber iteration formula x(superscript δ subscript k+1)=x(superscript δ subscript k)-ωB'(x(superscript δ subscript k)Bx(superscript δ subscript kB'x(superscript δ kf(x(superscript δ subscript k)-y(superscript δ)is constructed for solving rank deficiency nonlinear least squares problem, with which the phenomenon that leads to ill-posed problem because the iteration matrix is rank-deficient and very ill-conditioned in numerical iterative process is avoided.

基于逆矩阵和矩阵伴随算子的换算关系，并用1/ω代替|B′(xBx(下标k|，构造出一个新的求解秩亏非线性最小二乘问题的Landweber迭代格式，x(上标δ下标 k+1)=x-ωB'(xBx(上标δ下标 k*B'x(上标δ下标 kf(x-y，从而避免了在迭代过程中由于迭代矩阵的秩亏和病态而产生的不适定现象。

A topological spaces X is minimal CH if and only if for each x∈X and each open CH-filterbase μ,if {x}=∩U∈μU=∩U∈μclU, then μ is a neighborhood base of x.

4拓扑空间 X是极小 CH空间，当且仅当对任意的 x∈X和任意开 CH滤基μ，若{ x}=∩U∈μU=∩U∈μcl U，则μ是 x的一个邻域基。

Thence in a southeasterly direction to Corner Point No. CP14 (X = 484 330, Y = 683 415); thence in a. northeasterly direction to Corner Point No. CP15 (X = 484 390, Y = 683 490); thence in a southeasterly direction to Corner Point No. CP16 (X = 484 415, Y = 683 470); thence in a southwesterly direction to Corner Point No. CP17 (X = 484 355, Y = 683 395); thence in a southeasterly direction to Corner Point No. CP18 (X = 484 430, Y = 683 335); thence in a southeasterly direction to Corner Point No. CP1, the point of beginning.

从该点起向东南延伸至隅角点CP14（X = 484 330，Y = 683 415）；从该点起向东北延伸至隅角点CP15（X = 484 390，Y = 683 490）；从该点起向东南延伸至隅角点CP16（X = 484 415，Y = 683 470）；从该点起向西南延伸至隅角点CP17（X = 484 355，Y = 683 395）；从该点起向东南延伸至隅角点CP18（X = 484 430，Y = 683 335）；从该点起向东南延伸至隅角点CP1。

Knowledge of tungsten anode X-ray tube spectra is essential for X-ray dose control, X-ray image quality evaluation and dual-energy X-ray imaging etc. A model-based tungsten anode X-ray tube spectrum reconstruction method is presented in this paper.

X射线球管光谱信息是进行X射线曝光剂量控制、X射线成像质量评估、X射线双能量成像等必不可少的，为此本文提出一种基于模型的钨靶X射线球管光谱重建方法。

The better condition synthesizing the assorted minerals of zirconolite and sphene doping neodymium is holding 30 min at 1230℃, and the better formula is nCa(subscript 1-x/2-y/4 Zr(subscript 1-y/4);Al(subscript x/2) Ti(subscript 2-x/2O7): nCa(subscript 1-x NdAl Ti(subscript 1-x)SiO5[4/(4-y)]:1. Nd(superscript 3+) can enter crystal lattices of ite and sphene. Sphene can immobilize Zr(subscript 4+), Al(subscript 3+) and Nd(subscript 3+); Zr(subscript 4+) and Nd(subscript 3+) replace Ca(subscript 2+), and Al(subscript 3+) replaces Ti(subscript 4+). Zirconolite can immobilize Al(subscript 3+) and Nd(subscript 3+) Nd(subscript 3+) replaces Ca(subscript 2+) and Zr(subscript 4+), and Al(subscript 3+) and replaces Ti(subscript 4+).

研究表明：钙钛锆石和榍石组合矿物固化体较佳的合成条件是在1230℃条件下保温30min，较佳配方的摩尔比为nCa(下标 1-x/2-y/4 Nd(下标 x+y/2)Zr(下标 1-y/4)Al(下标 x/2)Ti(下标 2-x/2) O7：nCa(下标 1-x Nd Ti(下标 1-x)-SiO5=[4/(4-y)]：1；Nd(上标 3+)能够进入钙钛锆石和榍石晶格，榍石能够固溶Zr(上标 4+)、Al(上标 3+)、Nd(上标 3+)，Zr(上标 4+)和Nd(上标 3+)取代Ca(上标 2+)位，Al(上标 3+)占据Ti(上标 4+)位，钙钛锆石能够固溶Al(上标 3+)、Nd(上标 3+)，Nd(上标 3+)进入Ca(上标 2+)位和Zr(上标 3+)位，Al(上标 3+)占据Ti(上标 4+)位。

The derivative of a function can be interpreted either as a function whose value at x is equal to the gradient of the tangent line to the graph of y=f at x, or, alternatively, as a function that describes the instantaneous rate of change of y with respect to x at the point x.

一个函数的导数可以理解为一个函数的值无论是在x是等于切线的梯度的y图二F在x，或者，或者，作为一个函数描述瞬时速度y的变化的关于x的点x在f关于x的也可以表示为导数

In addition, the unique optimal approximation solution $\\\\\\\\\\\\\\\\hat X$ to given matrix $X_0 $ in Frobenius norm can be derived by finding the least-norm generalized bisymmetric solution $\\\\\\\\\\\\\\\\widetilde X^\\\\\\\\\\\\\\\\ast$ of the new matrix equation $A\\\\\\\\\\\\\\\\widetilde X B=\\\\\\\\\\\\\\\\widetilde C$, here,$\\\\\\\\\\\\\\\\widetilde X=X-X_0$, and $\\\\\\\\\\\\\\\\widetilde C=C-AX_0B$.

另外，对于给定矩阵X_0的最佳逼近解$\\\\\\\\\\\\\\\\hat X$，可以通过求解新的矩阵方程$A\\\\\\\\\\\\\\\\widetilde X B=\\\\\\\\\\\\\\\\widetilde C$得到，其中$\\\\\\\\\\\\\\\\widetilde X=X-X_0$，$\\\\\\\\\\\\\\\\widetilde C=C-AX_0B$。

The study about the flux and index of gamma-ray loud blazars show:(1)there is significant correlation between the luminosities in gamma-ray and VLBI radio energy band;(2)there are strong anticorrelarions among the observed indices of soft X-ray, hard X-ray and gamma-ray. For the FSRQs, the whole X-ray emission was contributed by synchrotron self-Compton emission, for the HBLs, the X-ray emission was dominated by synchrotron emission while the soft X-ray emission is dominated by synchrotron emission and the SSC emission dominate the hard X-ray energy band for LBLs;(3) there are strong radio-radio and radio-optical flux correlations for the quasar 3C 273. The higher frequency emission leads those in lower frequency. The multi-band complex indices strongly correlated with the high frequency flux which implies that the object is becoming bright when the energy spectrum is harden.

通过对γ噪Blazar天体的谱指数、流量的相关研究，发现（1）51个样本blazar的γ射线光度与VLBI光度之间存在显著相关；（2）软X、硬X以及γ波段的观测谱指数之间存在较强的反相关，对FSRQs，无论是硬X射线还是软X射线的辐射都是逆康普顿辐射的贡献，而对于HBLs来说，则是同步辐射的贡献，对LBLs，在软X射线波段以同步辐射贡献为主，在硬X射线能区以逆康普顿贡献为主；（3）3C 273的射电各个波段以及光学之间存在强相关，高频辐射一直领先低频辐射，3C 273的多波段复合谱指数和高频流量之间存在强的反相关，意味着当能谱变硬时对象变亮。

In consideration of the foregoing Confidential Release of All Claims entered into between Jane Doe and Company X, as defined in the Confidential Release of All Claims, the husband of Jane Doe, John Doe, warrants and covenants for now and in perpetuity not to sue Company X, its predecessors, successors, partners, joint venturers, affiliates, parent companies, related corporations or companies, subsidiaries, divisions, assigns, Board members, officers, employees, agents, servants, specifically including, without limitation, George Washington and Benjamin Franklin, attorneys, suppliers and vendors, specifically including Staffing Agency X and Abraham Lincoln ("Company X"), for any and all debts, claims, actions, conduct or omissions regarding him and his application for employment at Company X, or any other matters and including, but not limited to, claims concerning his wife which were made or might have been made, or by reason of any matter, cause or thing whatsoever arising under any state or federal law or regulation relating to his wife's former employment relationship with Company X, the circumstances of her resignation, or any alleged relationship between Jane Doe and Samuel Adams or any debt of Samuel Adams to Jane Doe or to John Doe as of the date of this Covenant Not To Sue; and

作为Jane Dow与X公司（见以上保密弃权书中的定义）签订的保密弃权书的对价，Jane Dow的丈夫，John Dow，在此保证和承诺，现在不会，以后亦将永远不会针对X公司及其前身、继任者、合伙伙伴、合营企业、关联方、母公司、相关企业或公司、子公司、分支机构、受让人、董事会成员、高级职员、代理人、雇员（特别包括但不限于George Washington 和Benjamin Franklin）、律师、供应商和卖家（特别包括但不限于X人才代理服务公司和Abraham Lincoln），就与其本人及其向X公司提交的求职申请有关的一切债务、权利主张、诉讼、作为或不作为或任何其他事项（包括但不限于已提起或可能已提起的与其妻有关的权利主张），或依据州或联邦法律法规以与其妻和X公司先前雇佣关系、其妻辞职情形、Jane Dow与Samuel Adams之间据称存在的关系或截至本承诺书签署之日Samuel Adams欠Jane Doe或John Doe债务有关的任何事项、事因或事物为由，提起任何诉讼；并

Including clinical breast X-ray machine technology applications, digital breast X-ray machine performance testing and evaluation methods and projects, digital breast X-ray machine and traditional breast X-ray machine of distinction contrast, Finland Planmed high frequency of breast X-ray photography Clinical application, the new mammography X-ray machines and mammography in the diagnosis of the research topic.

包括乳腺X线机临床技术应用，数字乳腺X线机的性能测试方法及项目与评价，数字乳腺X线机与传统乳腺X线机的临床区别对比，芬兰Planmed型高频乳腺机X线摄影技术临床应用，新型钼靶X线机在乳腺摄影及诊断中的应用等研究课题。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。