| 1. | P ( hb - hh ) and p ( hb - ho ) was considered as new kinds of phas . especially , p ( hb - ho ) was a newly synthesize biologic material
这种新材料对于解决白色污染的环境问题以及医学组织工程框架材料有着重要的应用价值。 |
| 2. | A kind of triplepolymer will possibly be synthesized by metabolic regulation in s . fredii . a new series of phas products will be exploited
该菌通过代谢调控有可能合成全新的phas三聚体，开发一类新型的生物材料。 |
| 3. | Phas , as one of the most interesting biodegradable material have a lot of promising applications in medicine , agriculture , environment and food industry
由于它具有生物可降解性、生物相容性等特征，因而在医药、农业、环境及食品等领域有潜在的利用前景。 |
| 4. | Moreover , extracting and purification of phas directly from 32 positive transformants by chloroform - hypochloric acid showed that 25 transformants obtained the product
用氯仿-次氯酸钠对32株pcr - southern检测为阳性的转化植株中进行phas抽提，有25株中得到目的产物。 |
| 5. | To indetify the function of phaa , phab and phac , three genes were amplifed from the subclone of pseudomanas sp . producing phas ( poly - 3 - hydroxyalkanoates ) by pcr
为了分析验证phaa 、 phab和phac三个基因的生物学功能，本实验采用pcr技术，从合成pha的pseudomanassp |
| 6. | It can be classified into three categories , such as short chain length ( scl ) phas , medium chain length ( mcl ) phas , and phas containing monomer of hb and has ( hydroxyalkanoates )
聚羟基脂肪酸酯( polyhydroxyalkanoates , phas )是细菌细胞中的一种多聚物，可分为短链pha 、中链pha及含短链与中链单体的pha 。 |
| 7. | Qualitative and quantitative detection of plants phas using gas chromatography ( gc ) indicated that hd were the major composition of phas and the maximum pha accumulation was 22 mg / g dry weight
用气相色谱法对转基因植株中的pha进行定性定量检测，确定pha的主要成分为羟基癸酸( hydroxydecanoate , hd ) ，表达量最高为2 . 2干重。 |
| 8. | S . fredii can synthesize phb in culture medium of glucose and change its metabolic pathway by intimidation pressure when alkanoates were added int o culture medium . according to this theory , metabolic pathway of p ( hb - hh ) was induced
根据费氏中华根瘤菌在以葡萄糖为碳源时合成phb ，而在烷酸盐提供一定环境胁迫压条件下，改变了代谢方向，我们推导出该菌合成phas的代谢途径。 |
| 9. | Three stages of deformation can be distinguished from the cataclastic superposition of matrices that infilled the microcracks in cataclastic rocks , and two phas es of paleotectonic stress field from the typical conjugated shear joints by stereograms illustrating
构造岩中胶结物和微裂隙充填脉反映了岩石碎裂变形的三次叠加。断裂变形带内发育两期典型的共轭剪节理，但区域分布各有特点，反映出断裂变形的空间演化。 |
| 10. | Band of c = o group around 1724 cm " ' was suggested for the characteristic band of pha were observed on the ft - ir spectra of both of the fresh tobacco leaves and their extractions . twenty - five percent of transformed tobacco plants were detected to produce phas
提取物及新鲜转化植株叶片用傅立叶变换红外光谱进行定性检测，在1724cm ~ ( - 1 )附近有特征吸收峰确定其为pha ，从而证实有25 . 00的转基因植株已含有了目的产物。 |
