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Polyringlpyrrolidoneas a viscosity increaser is used to adjust the viscosity of the sols.When the molar ratio of PVP:Al(OC_3H_7)is up to 1:1,the viscosity of the PVP assisted sol increases from 2.3 to 31.5 mPa·s,and homogeneous,uniform and crack-free 1 mol%Er~(3+)-10 mol%Yb~(3+)codoped Al_2O_3 thin films with the thickness of 1.6μm are formed by 10 dipping and drying cycles sintered at 1000℃.

以聚乙烯吡咯烷酮为增粘剂，调节DCPA改性溶胶的粘度，PVP(K-90)：Al_3的摩尔比为1：1时，溶胶粘度由原始溶胶的2.3增加到含PVP溶胶的31.5mPa·s，仅经过10次循环提拉、干燥，1000℃烧结，制备出表面均匀完整，无开裂厚度约为1.6μm的1 mol%Er~(3+)-10 mol%Yb~(3+)共掺杂Al_2O_3薄膜。

The optimum reaction conditions were obtained as follows: 2mL of 1.0×10^(-3)mol/L isatin violet; 1.5mL of 4.0×10^(-3)mol/L sodium persulfate; 0.5mL peg; the reaction temperature is 75℃.

确定了最佳的褪色反应条件为：1.0×10^(-3)mol/L靛红2mL、4.0×10^(-3)mol/LNa2S2O81.5mL、PEG4000.5mL；反应温度为75℃。

9 Mol/L～2.9×10~(-7) mol/L ...In this paper, a new kind of adsorptive catalytic voltammetry at carbon paste electrode in the presence of dissolved oxygen was developed. The voltammetric behavior of organic drugs (Nifedipine, Indirubin, Rhein, Hesperidin,Isatin) was studied by the proposed method.

本文首次以碳糊电极为工作电极，以K_2S_2O_8为氧化剂，建立了吸附催化伏安法，测定了有机药物(靛玉红、大黄酸、橙皮苷、靛红)在CPE上的伏安行为，并分别测定了其含量，为有机药物的电化学分析提供了新的途径。

Diurnal peaks in Pn for three age shoots of jack pine and black spruce occurred in the early morning between 7∶00-8∶00 on sunny days. The maximal rates of Pn and gs were 7.5 μmol.m-2.s-1 and 0.11 mol.m-2.s-1 for 1-year-old shoots of jack pine and 6.1 μmol.m-2.s-1 and 0.11 mol.m-2.s-1 for 1-year-old shoots of blackspruce.

而短叶松和黑云杉3个不同年龄树枝的Pn和gs的高峰出现在早晨7∶00到8∶00，其值分别是短叶松一年龄树枝为7.5 μmol.m-2.s-1和0.11 mol.m-2.s-1，黑云杉一年龄树枝6.1 μmol.m-2.s-1和0.11 mol.

It indicates that TBOPDA has better hydrolysis stability. At 50 ℃,when the acidity is 1 mol/L HNO_3, the effects of hydrolysis on distribution ratio are unchanged, when the acidity is 5 mol/L, the changes of distribution ratio are about 37%.

研究结果表明，该萃取剂在水溶液中具有较高的稳定性，当酸度为1mol/L，温度达到50℃时，铀的萃取性能没有变化；当酸度提高到5mol/L时，50℃条件下，铀的萃取分配比下降约37%。

DPU at a concentration of as low as 10^(-7)mol/L retained the chlorophyll of Spirodela half-fronds under long-day conditions. From 10^(-5)~2×10^(-4)mol/L it prompted the synthesis of chlorophlly and the serine: glyoxylate aminotransferase activity, increased dry weight, and retarded the senescence of half-fronds.

在长日照条件下，10^(-7)mol/L的二苯脲对紫萍半叶状体就有保绿的作用，10^(-5)~2×10^(-4)mol/L的二苯脲还可以明显地促进叶绿素的合成和干重的增加，提高丝氨酸：乙醛酸转氨酶的活性，延缓半叶状体的衰老。

Both of the thermophiles were motile by means of lophotrichous flagella and had high growth rate on medium containing cellulose. Optimal growth occured at 60℃ for the two thermophiles and at PH 7. 5 for Y, PH 7. 37. 5 for W strain. Y strain produced yellow pigment in cellulose medium and had yellow-colored, round or watery colonies in cellulose agar. The colonies of W strain were white -colored and similar in form to that of Y strain. The mesophile, Clostridium sp. B, was motile with peritrichous flagella. The colonies grown on cellulose agar were white and round with slightly undulate margins. The optimal growth temperature and PH of B strain were 40℃ and 7. 0-7. 2, respectively. All of the three Clostridia fermented varieties of carbohydrates and in cellulose media produced the similar end-products: CO〓H〓, ethanol and acetic acid. The DNA compositions were 34 mol% for Y and B, 35 mol% for W strain.

嗜热菌y与w在含纤维素的培养基中生长迅速，其最适生长温度均为60℃；最适PHy为7.5，w为7.3-7.5.y菌在纤维素培养基中产生黄色，在纤维素琼脂中菌落为黄色并呈圆形或流动粥样。w菌落为白色，但形状与y菌类似，嗜温菌B在纤维素琼脂上菌落为白色，圆形，边缘呈微小波状，最适PH与温度分别为7.0-7.2和40℃，三支菌都可发酵多种碳水化合物，且在纤维素培养基中产生同样的产物：CO〓H〓，乙醇和乙酸，三者DNA组成分别是y为34mol%，w 35mol%，B 34mol%。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

A linear relationship between peak current and concentration was obtained in the range from 1×10^(-7)~2×10^(-5) mol/L, and the detection limit (signal to noise=3) is 8×10^(-9)moL/L after 4 min open-circuit accumulation.

在1×10^(-7)~2×10^(-5)mol/L浓度范围内，峰电流与浓度呈良好的线性关系，开路富集4 min后，检出限（3倍信噪比）为8×10^(-9)mol/L.2×10^10(-5)mol/L×2-硝基苯酚平行测定8次的相对标准偏差为3.8%。

Rate constants of carbon dioxide radical anion〓 reacting with 5,5dimethyl-1-pyrroline-N-oxide、1-naphthoquinone and N,N,N,N-tetramethyl 1,4 -phenylene diamine were determined by detecting the changes of radical concentrations with time, and they were 5.5×10〓mol〓Ls〓、4.5×10〓mol〓Ls〓 and 6.7×10〓nol〓Ls〓 respectively.

测定了在含〓的CdS胶体体系中〓与5，5-二甲基-1-吡咯氮氧化物、1-萘醌和N，N，N，N-四甲基对苯二胺正离子自由基反应的速率常数，它们分别为5.5×10〓mol〓Ls〓、4.5×l0〓mol〓Ls〓和6.7×10〓mol〓Ls〓。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。