查询词典 chitin

A novel chitin-degrading aerobe named Chitinibacter tainanensis was isolated from a soil sample collected from Tainan County, and was proved to produce NAG.

本公司自台南县稻田土壤中筛选出一株新种的细菌，经鉴定为新属新种，并以发现地命名为Chitinibacter tainanensis。

The structure of cell wall was not destroyed by the algaecide. So we could know: after being contacted with the algae, the algaecide could penetrate the cell wall and reacted with the protein directly, damaging the function of cell and killing the cell at last.Furthermore, we blended the isothiazolone with the high polymer, such as chitin, chitosan and poly, and prepared the slow-release drug films.

实验发现，异噻唑啉酮对棕囊藻的细胞形态结构破坏程度不大，表明了异噻唑啉酮对藻体的细胞壁、细胞膜具有很强的穿透作用，能够快速穿透细胞壁和细胞膜，与细胞内部的蛋白质作用，抑制细胞生理功能的正常发挥，导致藻体死亡。

Our company was established in 2004, the main production of chitin, ammonia sugar.

我公司成立于2004年，主要生产甲壳素，氨糖等。

Thermal and thermo-oxidative degradation of chitin with ammonium nitrate,ammonium sulfate and concentrated sulfuric acid were studied.

讨论了硝酸铵、硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响。

Locksley beliees that AMCase, comparable to the chitinolytic enzyme found in marine and soil bacteria—and likely consered in human eolution—attenuates the chitin-induced innate immune response by degrading the chitin.

洛克斯利相信AMCase比得上在海洋和土壤细菌中发现的甲壳素消化酶－并且可能在人类进化中保存下来了－通过降解甲壳素减弱了甲壳素诱导的先天性免疫反应。

The development and application of chitin and chitin polysaccharide betters the dyeing performance and crease recovery of rami .

此外，作者还就甲壳素和壳多糖衍生物的开发应用，以改善苎麻织物的染色性和折皱回复性；三原色印花，陶瓷等新材料的应用作了介绍。

Immunogold labeling demonstrated that there was no chitin and cellulose in young and thin conidial walls; chitin appeared in the well-developed wall in later stage of conidial development and little cellulose, however, was detectable in the wall of mature conidia.

免疫金标记结果显示，幼嫩的分生孢子壁中缺乏几丁质和纤维素，只有在成熟的分生孢子壁中含有几丁质；出乎意料的是在成熟分生孢子中发现有少量纤维素的存在。

objective:with the local lobster shell as the raw material,we inquire into the abstraction and preparation of chitin and chitosan to develop a new raw material resources for chitosan.methods:use methods such as take off protein,calcium,colour,deacetylate and purification to prepare chitosan to study deacetylate degree,molecular weight and other characters of chitosan,then compare with infrared spectrum of bio-chemical chitosan on market.results:the chitin and chitosan obtained from lobster shell are 14.8% and 8.9%, respectively.

目的：以地产龙虾壳为原料，探讨其甲壳素的提取和壳聚糖的制备方法，以开发壳聚糖制备的新原料资源。方法：用脱蛋白、除钙、脱色、脱乙酰基、纯化等方法制备壳聚糖，研究其壳聚糖的脱乙酰度、分子量等性质，并与市售生化级壳聚糖的红外光谱进行比较。

The other technical indexes are also accordance with document.conclusion:use methods such as taking off protein,calcium,colour,deacetylate and purification to abstract and preparing chitin and chitosan from xuyu's local lobster shell.the technology,equipments,operation are simple and have strong popularization.the chitin abstracted from xuyu's local lobster shell is rather high,it's a natural resources to prepare chitosan and is worth to exploit and utilize.

用本法从地产盱眙龙虾的虾壳中提取甲壳素和制备壳聚糖工艺设备简单，操作简易，具有较强的推广性；地产盱眙龙虾的虾壳含甲壳素较高，是一种制备壳聚糖不可多得的天然资源，值得开发利用。

In order to produce chitin derivative with high-quality, the processing for producing chitin from puparia of silkworm Bombyx mori were optimized: puparia were dipped in 3% HCl for 22 h at 30℃, then in 5% NaOH for 4 h at 85℃, followed by decoloring in 10% H2O2 for 0.5 h under 85℃.

为制备高品质甲壳素衍生物，研究了利用家蚕蛹皮制备甲壳素的最佳工艺条件：将家蚕蛹皮用3% HCl在30℃条件下浸泡22h，再用5%NaOH在85℃条件下水浴4h，然后用10%H2O2于85℃下加热脱色0.5h。

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。