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It was approved that the immobilized spherule had high biological activity, strength and mass transfer capability when PVA concentration was 9.0%, CA concentration was 1.0%,W/V was 1:1 and the cross linkage time was 24 hours.

在固定化实验中,通过正交实验对影响固定化细胞制备主要因素包埋剂、添加剂、包泥量以及交联时间进行条件分析,发现PVA作为固定化包埋剂的适宜包埋条件为:PVA浓度为9%、CA浓度为1.0%,包泥量为1:1、包埋时间为24h,包埋固定的小球具有较高的细菌活性,较好的强度及传质性能。

A spacetime point with a frame is proposed to be related to a skew-symmetric tensor field of degree 3 defined on Minkowski space, the field consisting of elements in a fixed tensor set.

场中的张量取自于一个固定的张量集合,我们得到了Riemann正则坐标下引力场的一个级数表示式。

Compared the two factor showed that the yield and quality were affected evidently by nitrogenous the yield of Luyuan301 was single-apex changed with the increase of nitrogenous used. Furthermore, Jimai20 is more sensitive to nitrogenous than Luyuan301, the protein content and artifactitious quality were positively related to the nitrogenous.

两因素比较表明,作物产量和品质受氮素因子影响大,籽粒产量随施氮量的增加呈单峰曲线变化,且强筋小麦济麦20对氮素缺乏较鲁原301敏感,其蛋白质含量和加工品质与施氮量呈正相关关系。

And on the basis of mono-factor test, using COD decreasing rate and decolour rate as targets, six factors affecting catalytic effect were selected to proceed L9(34) orthogonal experiments. The conclusion of primary and secondary factors was drawn and the turn was : kind of catalyst-amount of catalyst-pH value-temperature-amount of H2O2-amount of air . The optimization were determined to be : initial pH value : 5.5 ; temperatare : 90 C; amount of H2O2: lml/400ml waste water ; kind of catalyst: AC3 ; inciting small amount of air ; amount of catalyst: 125g activated carbon to 500g stone .

并在单因素试验的基础上,以废液COD去除率和脱色率为指标,选择废液初始pH值、反应温度、启动剂用量、催化剂类型、鼓空气量、催化剂加入量为因素,进行L_9(3~4)正交试验,确定影响因素因素的主次关系为:催化剂类型→催化剂加入量→废液初始pH值→反应温度→启动剂量→鼓空气量;最佳处理技术条件为:废液初始pH5.5;反应温度90℃;启动剂量1ml/400ml废液;AC3型催化剂;鼓小流量空气;炭石比125g/500g。

To improve the selectivity, the Co/Mn/Br catalyst system with ethanal as an additive was studied and the reaction conditions were also optimized, which were as follows:the amount of ethanal 10%(mole ration base on the substrate), reaction temperature 100℃,reaction time 30min,the oxygen pressure 0.2MPa, the amount of the composite catalyst Co/Mn/Br 7%,the mass ration of different ingredients 2:2:1. Under these conditions, the yield comes to 24.10% and the selectivity reaches 75.03%.

为了提高反应的选择性,论文初步研究了以乙醛作为添加剂条件下各工艺参数的影响,并进行正交优化,得出最佳条件为:乙醛加入量1:10,反应温度100℃,反应时间30min,氧气压力0.2MPa, Co/Mn/Br混合催化剂加入量7%,质量比2:2:1,在此条件下,反应产率为24.10%,选择性可达75.03%。

Results Compared with low-salt diet control group, the renal changes in CsA-L group were not obvious at the 2nd weeks, the urine volume and the level of BUN were remarkably increased in CsA-H group. At the 4th weeks, the urine volume was decreased; the levels of Crea and BUN were significantly increased and showed a significant positive correlation with the blood CsA concentration. Morphologic changes consisted of vacuolization of renal tubular cells, hyalinization of small arterioles and the light renal interstitial fibrosis.

结果 与低盐对照组相比,药后第2周CsA-L组各指标无明显变化,CsA-H组尿量增多,尿蛋白降低,尿素氮升高;药后第4周时,尿量呈减少趋势,肌酐和BUN明显升高,且与CsA血药浓度呈显著正相关,病理表现为肾小管细胞空泡变性及小动脉和肾间质病变,CsA-H组各种变化较CsA-L组更为明显。

The culture ingredients and conditions were optimized with the orthonormal table L_9(3~4) method. Studies showed that the culture components for optimization of β-mannanase production were yeast extract 20 g/L, Konjak powder 20 g/L,(NH_4)_2SO_4 2 g/L, KH_2PO_4 1 g/L and MgSO_4 · 7H_2O 1 g/L; and the optimal culture conditions were seed incubation time 8-12 h, inoculation ratio 6%, culture volume 25 mL, pH 7.5, fermentation temperature 40 ℃ and fermentation time 25 h.

通过正交设计方法筛选优化该菌培养基配方和产酶条件,培养基配方为:酵母抽提物20g/L、魔芋粉20 g/L、(NH_4)_2 SO_4 2 g/L、KH_2PO_4 1 g/L、MgSO_4·7H_2O 1 g/L;产酶条件为:菌种种龄8~12h、接种量6%、装液量25 ml、pH7.5、培养温度40℃、培养时间25h。

This research studied the optimal strain combination through single strain and mixed strains fermentation from Sweet Sorghum juice. The suitable proportion and quantity of inoculation, the optimum nitrogen source and its ratio in the medium were established through mixed fermentation. The optimum pH values, fermentation time and temperature were obtained by L9 (3)3 orthogonal experiment. The optimum mixture of biotechnology fulvic acid, Azotobacter chooroccum, Phospho bacteria and Silicate bacteria were studied.

本文以甜高粱秸秆汁为原料,通过单菌及混合菌种发酵实验确定了发酵的最佳菌种组合;利用微生物混合发酵确定了发酵菌种的接种比例、接种量、最佳氮源及其添加量;用L_9(3)~3正交设计的方法,确定了发酵的最佳pH值、发酵时间和发酵温度;研究了生化黄腐酸液体肥料和圆褐固氮菌、钾细菌、磷细菌的复配工艺,并在作物上进行了田间试验。

The results show that the SAPO–5 has a pillar-like morphology with the size of about 20 μm×5 μm×5 μm.The ratio of P:Al:Si is 1:1.19:0.67 in its crystal structure, the content of Si is high. The total acidimety fo the SAPO–5 is 578.0 μmol/g , hihger than that of prepared by one step crystalline hydrothermal method.And its initial catalysis character performance on normal butane isomerization reaction reach 24.8 %, higher than that of prepared by one step crystalline hydrothermal method.

实验结果表明:产物为柱状的磷酸硅铝分子筛,其晶粒尺寸大约为20 μm×5 μm×5 μm,其晶体结构中P:Al:Si=1:1.19:0.67,硅含量较高;采用分段晶化方式制备的SAPO-5分子筛的总酸量为578.0 μmol/g高于一段晶化方式制备的SAPO-5分子筛的总酸量;采用分段晶化生成的SAPO-5分子筛的催化正丁烷异构化反应初始活性可达到24.8 %,远高于一段晶化制备的SAPO-5分子筛的初始活性14.1 %。

Methods A one-year follow-up was made to 456 schizophreniac after discharge with self-designed scale(including the present condition and administration status),Social Dysfunction Screening Scale and Treatment Emergent Symptom Scale.

方法用自制调查表(包括目前病情,服药状况)、社会功能缺陷量表和TESS副反应量表,对456例出院精神分裂症患者进行为期1年的跟踪回访。结果(1)病情状况与是否规律维持服药呈正相关。

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如果有任何问题,你可以随时联系我。

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