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The daily photosynthetic change of the two Alnus species presented a single and a bimodal curve.

一年中以6月份的净光合速率峰值最高，分别达18.68和23.51μmol/m2.s，10月或11月最低。

Glycogen synthesis of the cells was examined by the anthrone method.

将HepG2细胞置于10-7 mol/L 的胰岛素培养基中培养24 h，建立胰岛素抵抗细胞模型。

When phosphine≥〓mol is added to a solution ofL1M in 〓, a strong fluorescence species L1ML is formed and a new off-onprocess is completed.The reaction of L2 with 〓 gives macrocyclic luminescencecomplexes L2M by the π-π interaction of the anthryl groups in the two L2ligands.

对其光物理性能进行研究表明由L1到L1MCu(Ⅰ、Ag、Au荧光被完全猝灭呈现荧光on-off开关现象，金属络合物作为新的荧光分子开关体系以金属离子为受体中心在溶液中对三价磷中性客体呈现off-on开关现象。

The spectroscopic and electrochemical studies suggest the energy structure of this class complex can be easily controlled by modification. With the introduction of electron-donating arylamino groups, the obtained complexes show intense and continuous absorption bands in the region of 250-550nm with strong metal-to-ligand charge transfer dπ(Pt →π* transitions (ε~ 2×104 dm3 · mol-1 · cm-1). Complexes involving the construction of D-π-A type systems also display continuous absorption bands in the region of 400-750nm, rising from the overlapping effect of MLCT and LL'CT bands.

其中，芳胺及其二聚体类修饰基团的引入，使其配合物MLCT吸收谱带的摩尔吸光系数增加，并在250～550nm范围内形成了强的连续吸收；具有D-π-A结构的配合物，由于MLCT吸收谱带和LL'CT吸收谱带的协同效应，导致在400～750nm范围内形成连续吸收；得到了从绿光到深红光的磷光发射系列配合物，并采用真空蒸镀的方法获到了外量子效率分别为5.7%和5.0%的橙光和橙红光多层电致发光器件。

For example, there is only local cooperative organization between polymer segments of atactic poly in the middle-sized solvent poly with molecular weight 200g/mol (PEG200). But for the stereo-regular isotactic polystyrene, pronounced content of 3〓 helix can be found in its middle-sized solvents.

例如，无规聚甲基丙烯酸甲酯在聚乙二醇（分子量为400）中分子溶剂中表现为链段的局部协同组织，而等规聚苯乙烯在邻苯二甲酸二辛酯、氯代十四烷等中分子溶剂中则出现相当含量的3〓螺旋构象。

Under certain experimental conditions,the Terbiumbasic Calbonate can be dissolved in aqueous solution of nicotinic acid to yield an Orange Tb Complex, which has a broad characteristic absorption band between, 370—410 nm The autoreduction of the Tb—Complex was studied by means of spectrophotometric method, It was determined by experiments that the reaction order is equal to two and the apparent activation energy of the auto—reduction is equal to 68.4±0,8KJ/mol.

在一定条件下，Tb的碱式碳酸盐可以溶解在烟酸的水溶液中形成橙黄色的络合物，该络合物在390nm波长附近有一宽带特征吸收峰。消光值在0。～1.0范围內与Tb的浓度具有直线关系。分光光度法对Tb自还原反应研究确定：于15℃及烟酸浓度为0.35M时，当pH值小于6.0条件下，随pH值的增加，其自还原速度常数减小，该自还原反应级数为二，反应活化能为68.4±0.8KJ/mo1。

Mol〓 by examining the acid number of the system during polymerization. The monomer emulsion of St and CTUP was formed by adjusting pH to 8, and the self-emulsified emulsion polymerization was initiated by using KPS and sodium bisulphite.

以CTUP和St为单体，通过调节体系至弱碱性(pH=8)制成单体/水的乳化液，并在过硫酸钾-亚硫酸氢钠氧化还原体系的引发作用下进行自乳化乳液聚合。

It is characterized by that firstly, preparing silver bromiodide flake microcrstalline emulsion, then utilizing silver halide solution to corrode core of silver bromide to prepare the invented hollow silver bromiodide flake microcrystal whose form is triangle or hexagon and whose surface possesses small holes and pits, and the core of the microcrystal is silver bromide and its external layer is silve bromidiode, its iodine content is 1-10 mol%, and the light sensitivity of the emulsion is greatly raised.

首先制备溴碘化银薄片微晶乳剂，再利用卤化银溶剂使溴化银内核腐蚀，制备成的中空溴碘化银薄片微晶呈三角形或六边形，表面上有小孔和凹坑，微晶的内核为溴化银，外层为溴碘化银，其碘含量为1―10mol％；无论从色盲乳剂，还是经光谱增感乳剂的感光度都有大幅度的提高。

The degree of butyryl substitution of CAB increased and the degree of acetyl substitution of CAB decreased as the butyryl mol content in the reaction system increased.

制备得到的纤维素醋酸丁酸酯的丁酯取代度最高可达2.53，乙酯取代度最高可达2.98。

Here we investigate the effects of 17 β-estradiol (10〓～10〓mol/L) on the proliferation and differentiation of newborn rat calvaria osteoblastic cell.

对体外培养的成骨细胞施以不同剂量的17β-雌二醇，3天后通过细胞计数、〓—胸苷掺合、细胞定量后测定骨钙素及碱性磷酸酶的量观察对增殖和分化的影响。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。