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Calcium sulfate has been used for bone regenation in oral medicine. Osteopontin, a marker molecule, expressed by osteoblast, plays multiple roles in human body. However, the effect of calcium sulfate on osteopontin expressed in osteoblasts is unclear. In this study, U-2 osteosarcoma osteoblastic cells were cultured in 0, 0.5, 1, or 10 μM calcium sulfate hemihydrate. There was no effect in the proliferation of cells, suggesting that calcium sulfate up to 10 μM is biocompatible. The cells and conditioned media were collected for analyzing mRNA and protein levels of osteopontin by reverse-transcription polymerase chain reaction and Western blot, respectively.

硫酸钙用於口腔医学中的骨头再生已经有多年历史，骨桥素是一种被骨母细胞分泌且在人体扮演重要多重角色的标的分子，然而，硫酸钙在骨母细胞分泌硫酸钙上的影响仍未明朗，在本实验之中，培养U-2骨肉瘤类骨母细胞(U-2 osteosarcoma osteoblastic cells)於0、0.5、1、10 μM的硫酸钙之中，在细胞数目的复制上，四种硫酸钙浓度并无影响，显示出U-2骨肉瘤类骨母细胞培养於10 μM的硫酸钙仍是生物相容性的。

XRD,X-ray EDS analysis,AFM and Fourier transform infrared spectroscopy were employed to characterize PbSe thin films. The results show that all of the films were heteromorphy and the growth temperature has effect to the diffract peaks of the films. The contents of PbSe thin films by PLD consisted with the targets,and realizing thin films deposited with same constitutes; the films had rather flatness surface and compact structure; the peak-to-tail roughness of PbSe thin films surfaces was less than 200nm;they had sensitivity to light of a specified wavelength and obvious absorption edge at 5μm corresponding to band-gap width of PbSe thin films;light of wavelength less than 5μm was strongly absorbed.

通过脉冲激光沉积法在Si(111)和SiO2玻璃基片上制备了PbSe薄膜。X射线衍射、X射线能谱、原子力显微镜、傅里叶变换红外光谱仪测试结果表明：所有制备的薄膜都为多晶薄膜，发现薄膜生长温度对薄膜衍射峰有一定影响；PLD法制备的薄膜的成分与靶材的基本一致，实现了同组分沉积；所有薄膜表面比较平滑，表面不平整度小于200nm，结构比较致密；PbSe薄膜对红外光具有敏感的响应特性；在波长为5μm处存在有明显的吸收边，此吸收边对应于直接带隙PbSe材料的禁带宽度；对应于波长小于5μm的红外光，PbSe薄膜存在有明显的强吸收。

With the transfer function. it is straightforward to construct the incidence matrix M. Then α〓, the number of K-strings in L, can be obtained by simply summing over a specific row of M〓.

有了转移函数就可以直接计算关联矩阵M，而L中允许的K-串个数α〓可以通过对M〓的某一行求和得到。

Mortality in jack pine stands decreased from(67.6%) to 32.7% with increasing PCT intensity from A to C.

结果表明：随着疏伐强度从1.22 m×1.22 m增加到2.13 m×2.13 m，北美短叶松的死亡率从67.6%下降到32.7%。

When surface pressures are lower than the turnover(5～30mN/m),intermolecularhydrogen bonds were formed with keto form and phase transition was higher ca.60℃;most of SBC18 formed intramolecular hydrogen bonds companied withzwitterion form and phase transition was lower ca.48℃ while at surface pressurehigher than the turnover(≥45mN/m),which is caused by the different interchaininteraction arising from various hydrogen bonds for SBC18 LB film deposited atdifferent surface pressures.

低于相应π-A等温线转折(5～30mN/m)时，以分子间氢键为主，头基主要以醌式构型存在，相变温度较高(≈60℃)；高于转折(≥40mN/m)时，以分子内氢键为主，头基主要以双性离子构型存在，相变温度较低(≈48℃)。

The length of the solar light pipe is 0.55 m with a diameter of 0.28 m.

导光管的长度为0.55 m，直径为0.28 m，导光管内表面的平均反射比为0.82。

It was pointed out that even if for m ≥ 3, the existence of C~m solutions of the linear iterative functional equation F -= 0 is a difficult and very interesting problem.

有关文献指出，当m≥3时，即使是线性型的迭代函数方程F-∑_(k=1)~nλ_kf~k=0的C~m解的存在性也是一个困难而很有意思的问题。

A linear map f: M→M is said to preserve idempotence if fP(subscript nP.

若线性映射f： M→M满足fP(下标 nP，则称f是保幂等的线性映射。

Make it plain And you know, this is the danger of social clubs and fraternities—I'm in a fraternity; I'm in two or three—for sororities and all of these, I'm not talking against them.

你知道，这是危险的社交俱乐部和兄弟， I'm在博爱，我在两三年中， sororities和所有这些，我不是对他们说话。

An M-file consists of a sequence of normal MATLAB statements, which possibly include references to other M-files.

M 文件包含一系列的 MATLAB 语句，其中可能包括调用 M 文件的语句。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。