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The Cu-doped Co-Cu-B catalyst was prepared by chemical reduction of mixed CoCl_2 and CuCl_2 with KBH_4 in a- queous solution and the effect of the Cu-content on the catalytic performance was investigated during liquid-phase furfural hy- drogenation to furfuryl alcohol.

用KBH_4还原CoCl_2和CuCl_2混合溶液制得Co-Cu-B催化剂，用于糠醛液相选择性加氢制糠醇，研究了不同Cu掺入量对催化剂性能的影响，发现当Cu：Co的摩尔比为9.64×10~(-3)时，催化活性达到最佳。

Results There was no significant gene difference between adults and larvae. CO Ⅱ gene sequences could he used to identify Boettcherisca peregrina, Aldrichina grahami and Lucilia illustris but they could not distinguish Lucilia cuprina from the Lucilia sericata because of their close evolutionary distance and single nucleotide polymorphisms in aldrichina grahami and Lucilia illustris populations were found.

结果 成虫与幼虫基因差异不明显，COⅡ基因序列可以对棕尾别麻蝇、巨尾阿丽蝇和亮绿蝇进行鉴定，铜绿蝇与丝光绿蝇进化距离较近，COⅡ序列不能将他们区分开，同时还发现巨尾阿丽蝇和亮绿蝇存在种群单核苷酸多态性。

Biomass at stationary phase increased by 39％under the high CO〓 level (2800μL L〓 CO〓), and by 9％under the mixotrophic condition.

碳限制时，添加醋酸钠（2 mmol L〓）和提高CO〓浓度均促进海生椭球藻的生长，使稳定期生物量分别增加9％和39％。

CO〓 and soil water affected aphid population indirectly through the direct effects on the wheat characteristics. The population increase was due to both high adult fecundity and shortened nymphal period.

3在700ppm范围内CO〓对禾谷缢管蚜的直接影响很小，CO〓和土壤水分对禾谷缢管蚜种群的影响主要来源于间接影响，即通过影响小麦的理化性质进而影响蚜虫的个体行为和种群大小。

It Probed into the effect of concentration explosive limit s caused by the nature of explosive gases, the damping effect of polybasic Gas caused by CO, as well as the conjunct oxidative and inductive effect .

探索了可燃性气体本性对浓度爆炸极限的影响、CO对多元瓦斯气体的阻尼效应以及C2H4与CO间的协同氧化诱导效应。

The experimental evidence has shown that the polygonal Co particles are the final form. We found that Co formed nanocrystallites of 2-5 nm in diameter in the surface coating layer of the Mg_2SiO_4 crystalline stems and then aggregate into large clusters. These clusters further grow and recrystallize into polygonal single crystals. Instead of the single crystals, it is the polycrystalline clusters that played the most important role in Mg_2SiO_4 growth.c.

b。实验中观察到的现象表明多面体的Co颗粒并不是一开始就形成的，而是首先在Mg_2SiO_4的枝干表面以2-5nm的纳米晶体聚集成较大的团簇，这些团簇再继续生长并在最后重结晶为多面体的形状。

The ratios of k~1 and k~2 varied within the range of 4.24～133, which showed that the control step for oxidation of CO over REFeO~3 was the reoxidation step of reduced catalyst.

催化剂用CO还原的速率常数k~1比还原了的催化化剂用O~2再氧化速率常数k~2要大， k~1/k~2值在4.22～133之间，这说明在REFeO~3上CO氧化的控制步骤为还原催化剂的再氧化。

Shenzhen Light of the Greek Computer Network Development Co., Ltd. Shenzhen Sunlike Computer Network Development Co., Ltd.

深圳市希之光计算机网络开发有限公司（Shenzhen Sunlike Computer Network Development Co。，Ltd。

The power-time curves of E.coli reacting with Co-SG at different temperature has been determined by microcalorimtric method The multiplication rate constant k, generation time G,bacterial growth inhibition ratio I,total thermogenetic quantity Q, the heat quantity of a single bacterium Q_(0) and the heat quantity of a single bacterium per minute have also been calculated according to the power-time curves.

用微量热法测定了大肠杆菌及其在Co -SG配合物作用下的热谱曲线，计算了速率常数k ，传代时间G、抑制I、总产热量Q、单个细菌的产热量Q0 和每分钟单个细菌的产热量 Q0 ，建立了部分代谢参数之间的关系，探讨了大肠杆菌在不同温度和Co -SG作用下的代谢抑制，发现可用t、tr、tg和 Q0 定量表征在不同温度下大肠杆菌的生长代谢和药物的抗菌活性。

Influence of the chemicals on the composition of pyrolysis products of Tilia amurensis lignin was discussed. During the pyrolysis process, a great deal of CO2, CO and H2O was produced, which was mainly attributed to the elimination of carbonyl, carboxyl, hydroxyl, methyl and the further reaction to form polycyclic aromatic hydrocarbons.

结果表明：木质素在裂解过程中，产生大量的CO2、CO、H2O，其主要原因是高温时羰基、羧基、羟基、甲基等脱除反应以及环芳香族化反应深入进行，而所选用的阻燃剂大多数促进了CO2、CO、H2O的产生。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。