羟基

It was shown that the HAp nano powder synthesized by this technique was of uniform structure and perfect crystalline.

分别以共沉淀法和包覆法制备了纳米羟基磷灰石／壳聚糖和纳米羟基磷灰石／聚乳酸的复合材料。

Better results could be obtained, For 40 hours fermentation, cell dry weight and PHB concentration reached 32.7 g · L-1 and 21.4g · L-1 respectively.The synthesis of Poly (β-Hydroxybutyrate-co-β-Hydroxyvalerate) by the strain G-IIIy from different precusor was studied. It was found that the strain G-IIIy could accumulate PHBV with sucrose as carbon source and propionic acid or valeric acid as precursor . In 2L self-controlled fermentor, the dry cell weight, PHBV concentration and PHBV content reached 35.8g·L-1, 22.6g·L-1 and 38.4% respectively in the case of fermentation for 42 hours and the propionic acid as precursor.

研究了添加不同前体物，G-Ⅲy菌株生产聚β-羟基丁酸和聚β-羟基戊酸共聚物的发酵条件，结果表明，此菌株能以丙酸或戊酸为前体，在蔗糖为碳源的条件下合成PHBV共聚物；在2L发酵罐中，以丙酸为前体，发酵16小时开始流加丙酸，根据发酵液pH值变化控制丙酸流加量，发酵42小时，细胞干重、PHBV产量和含量分别达到35.8g/L，22.6g/L，63.13％。

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.

通过研究THPC与聚己内酰胺、聚乙烯醇、乙二胺的酰胺基、羟基、氨基的反应，间接证明THPC主要与胶原蛋白的氨基结合，可与氨基以n∶n=1.0∶2.2形成交联，THPC与羟基和酰胺基均有少量结合，并在pH=8.0时结合量最高。

The viscometry is used to determine average number molecular weights of polyhydroxyalkanoates taking chloroform as solvent.

以氯仿作溶剂，用黏度法测定了多聚羟基烷酸的分子量，摸索了检测的最佳温度与溶液浓度，比较了黏度外推法与黏度单点法测验结果，建立了黏度法测定多聚羟基烷酸平均分子量的操作方法。

Therefore esterification crosslinked reactionbetween polyearboxylic acid and wood can be quantitatively determined.According toexperiment results of stereoscopic configuration choices by crosslinking agents,crosslinkingreaction between model of reaction intermediate and wood,and the intermediate characteristic incrosslinking reaction,crosslinking reaction intermediate was proofed.We can infercrosslinking reactions between polycarboxylicacid and wood want through a mechanism of twosteps reaction process,the first cyclic anhydrides were formed as intermediates by dehydratingbetween hydroxyls in polycarboxylic acids,second esters were occurred by substitution reactionbetween wood hydroxyls and cyclic anhydrides.

从而可全面定量表征木材与多元羧酸类化合物的酯化交联反应；依据交联剂立体构型选择性、反应中间体模型物与木材的交联反应和交联反应中间体的波谱特征实验结果，证实了交联反应中间体，因此可以推测：多元羧酸类化合物与木材化学组分的交联反应是经历两步反应的机理，首先多元羧酸中相邻羧基的羟基之间脱水形成五元环酸酐中间体，然后木材的羟基与酸酐发生亲核取代反应形成酯。

The possible pathway of ABAS degraded by Zoogloea HP3 was that ABAS was first cleaved to produce o-phthalic acid and products. The former was further degraded and the composites of the latter were 2-amino-3-hydroxyl-5bromobenzenic sulfonic sodium and 2, 3-dihydroxyl-5-bromobenzenic sulfonic sodium.

动胶菌HP3作用下溴胺酸可能的降解途径为蒽醌环开裂生成中间产物邻苯二甲酸，邻苯二甲酸被进一步降解；溴胺酸降解后的最终产物为2-氨基-3-羟基-5-溴苯磺酸钠和2，3-二羟基-5-溴苯磺酸钠。

C. I. Reactive blue KN-R, Alizarin brilliant green G and Hostlam blue R could not be degraded by Zoogloea HP3. Furthermore, ABAS degradation was regressed under the exisitence of the above dyes. 1-Aminoanthraquinone-2sulfonic sodium, 1, 4-dihydroxylanthraquinone-2-sulfonic sodium, 1, 4, 5, 8tetrahydroxylanthraquinone, anthraquinone, aniline, phenol, catechol and ophthalic acid could be degraded by Zoogloea HP3. Aniline was the most degradable substrate among ABAS, aniline, phenol, catechol and o-phthalic acid. However, benzenesulfonic sodium and p-amino benzenesulfonic sodium were not degraded by it.

动胶菌HP3不能降解活性艳蓝KN-R、弱酸性绿GS及毛用活性蓝HW-R等蒽醌型染料，且染料的存在对菌体降解溴胺酸有不同程度的抑制作用；动胶菌HP3可以降解1-氨基蒽醌-2-磺酸钠、1，4-二羟基蒽醌-2-磺酸钠、1，4，5，8-四羟基蒽醌、蒽醌及苯酚、邻苯二酚、苯胺、邻苯二甲酸等苯系化合物，而不降解苯磺酸钠、对氨基苯磺酸钠；在溴胺酸、苯酚、邻苯二酚、苯胺、邻苯二甲酸中，苯胺是动胶菌HP3的天然底物。

The reactants were managed to be colloidal by reaction control and using appropriate nucleating agents. Acerate HA crystal obtained under different conditions was sintered to obtain the nano-HA granule with a diameter of 1-56 nm.

材料：采用磷酸二氢钙和氢氧化钙中和反应构造体系，通过控制反应条件，适量加入形核剂，使反应物成为胶体状态，在不同反应条件下得到针状羟基磷灰石纳米晶体，再进行烧结除处理，得到羟基磷灰石纳米粒子，直径为1~56 nm。

The bio-oil was composed of acetic acid, hydroxyacetaldehy, acetol, levoglucosan, furaldehyde, and a small quantity of phenols.

结果表明，热解温度为460~520℃时热解油产率最大，主要有醋酸、羟基乙醛、羟基丙酮、左旋葡聚糖、糠醛，油热值为17.0MJ.kg-1；热解气主要为CO2和CO，还含有少量H2、CH4和C2~C4的烯烃。

Preparation of the lateral chain-4-benzyloxy-3-hydroxy butyronitrile is introduced as the substrate, the REFORMATSKY reaction is performed, then obtains the dicarbonyl ester, in the structure of which containing a chiral hydroxyl group, then performs the chiral reduction, take off the benzyl group after the protection reaction with acetonylidene,then obtains the lateral chain by oxidation.

手性侧链醛的合成：采用-4-苄氧基-3-羟基丁腈作为底物，通过REFORMATSKY反应缩合得到含有手性羟基的二羰物酯，再手性还原，丙酮叉保护后氢解脱苄，最后氧化得到侧链醛。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。