二酸

Acceptable resolutions were achieved when it was applied for the separation of dipeptides including Leu-Tyr and Val-Tyr by using 1-butanol-acetic acid-water (4:1:5, V/V/V) solvent system. The proteins including cytochrome C and myoglobin, lysozyme and myoglobin, and fresh chicken egg-white proteins were well separated by 12.5% PEG1000-12.5% K2HPO4-75% water (pH 9.0) and 16% PEG 1000-12.5% K2HPO4-71.5% water (pH 8.0) system.

应用研究表明，采用正丁醇-醋酸-水(4：1：5， V/V/V)和PEG1000-磷酸钾盐-水(12.5：12.5：75， W/W/W)(pH 9.0)体系可以在较高的流动相流速和较高的固定相保留下分别实现对亮氨酸-酪氨酸和缬氨酸-酪氨酸二肽混合物以及细胞色素C与肌红蛋白、肌红蛋白与溶菌酶混合物及鸡蛋清样品中蛋白成分的成功分离。

The main products are: iodine, alginates, mannitol, sorbitol, alginic acid, seaseed fertilizer, marine feedstuff and propylene glycol alginate.

主要产品有碘、海藻酸盐、甘露醇、山梨醇、海藻酸、海藻肥、海藻饲料、藻酸丙二醇酯。

A method was developed for synthesis of DBP catalyzed with non-proton acid and the result showed that aluminum oxide can be used to synthesize dibutyl phthalate characterized with high reaction activity,good selectivity and high rate of conversion,but less environmental pollution.

通过研究非质子酸催化合成增塑剂邻苯二甲酸二丁酯的方法，探讨了合成的最佳工艺条件。实验结果表明，Al2O3催化酯化合成邻苯二甲酸二丁酯具有反应时间短、反应活性和选择性好、产率高、无环境污染等优点、是理想的合成DBP的催化剂。

Moreover, MeJA induced defense genes, such as pathogenesis-related proteins (PR2a), phenylalanine ammonia-lyase, BX9, and TPS. MeJA also increased DIMBOA and Vannillic acid content of leaves and roots significantly but leaf p－Hydroxybenzoic acid concentration was decreased significantly and Protocatechuric acid was produced in roots only.

1MeJA叶片处理能诱导叶片和根系中丙二烯氧化物环化酶基因、糖基转移酶（BX9）基因、苯丙氨酸转氨酶基因的表达，使叶片和根系中丁布含量升高，同时，6μL/L MeJA处理使第二叶中原儿茶酸含量显著降低，诱导根中产生原儿茶酸，使第二叶中香草酸含量和根中未知物质峰面积显著增大。

Methods Minidose calcium disodium chelate 1.0 gd^(-1, calcium gluconate and trace tlements misture (containing zinc sulfate, cupri sulfas, kalium hypermanganicum and ammonium iron citrate) were performed in adjuvant of supporting treatment of lead intoxication.

使用小剂量依地酸二钠钙1.0gd^(-1、葡萄糖酸钙和微量元素合剂（含硫酸锌、硫酸铜、高锰酸钾、枸橼酸铁铵），并辅以支持疗法治疗铅中毒108例。

He analysis of the category and function of TCB stress inducible proteins showed that different groups of proteins were induced by 5 mg L^(-1) TCB stress. They are detoxification enzymes (including esterase, aldo/keto reductases, and glutathione S-transferase), cell wall compound metabolism related enzymes (including UDP-glucose protein transglucosylase and GDP-mannose 3,5-epimerase 1), phytohormone metabolism and regulation related enzymes or proteins (including aci-reductone dioxygenase 4, beta-glucosidase, two members of pathogenesis-related proteins from family 10), primary and secondary metabolism regulative enzymes (including translational elongation factor Tu, cytosolic orthophosphate dikinase, triosephosphate isomerases, alanine aminotransferase, and isoflavone reductase).

CB胁迫能诱导根系内不同类型蛋白质的表达，它们是：解毒酶（包括脂酶、醛／酮还原酶、谷胱甘肽－硫转移酶），细胞壁物质代谢相关酶（包括蛋白转葡萄糖基酶、GDP-甘露糖－3，5-异构酶1），激素代谢或调节相关酶（包括酸式－还原酮二加氧酶、β-葡萄糖苷酶、病程相关蛋白家族10中的2个不同蛋白），原初或次生代谢相关酶（包括转录延长因子、细胞质磷酸丙酮酸双激酶、磷酸丙糖异构酶、丙氨酸氨基转移酶和异黄酮还原酶）。

Among those lipids, crude soy-bean phosphatides are most powerful. Crude egg yolk phosphatides and its alcoholic insoluble fraction and sodium or ammonium oleates are also effective; whereas the alcohol soluble fraction of egg yolk phosphatidesi.e.

二在上述情况中，有效的脂類為大豆磷脂、粗製雞卵璘脂及其不溶於酒精的部分、油脂酸鈉和油脂酸銨等；溶於酒精的雞卵磷脂和油脂酸鉀，並無作用。

Like other piscine IL-8 sequences, the sea perch IL-8 lack ELR motif upstream the CRC, and the third amino acid of Arg was substituted by His.

花鲈IL-8序列中用于形成二硫键的4个半胱氨酸保守，前2个半胱氨酸被1个精氨酸分开，形成CXC结构。

The change of the position of the benzene ring has little effect on γ cmc-The interfacial tension behavior of this series of alkylbenzenesulfonates with carbon number 14,16,18 was investigated in alkane/aqueous system, it is found that alkylbenzenesulfonates of 16 total alkyl carbon number is the best.

通过对单烷基苯磺酸盐和二烷基苯磺酸盐的降低界面张力能力的比较，结果表明附加基团在一定程度上可以改善烷基苯磺酸盐降低界面张力的能力，而且使达到最低界面张力所需的最佳碱度要小。

Dibutyl malate was synthesized from malic acid and butyl alcohol used solid superacid SO42-/TiO2 as catalyst.

以固体超强酸SO42-/TiO2为催化剂，以苹果酸和正丁醇为原料催化合成苹果酸二丁酯，并探讨了酸醇比、催化剂的用量、反应时间、带水剂等因素对酯化反应的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。