戊醛

On-hoard determination of picoplankton is preferred, if possible. Otherwise, it is better to use paraformaldehyde or the mixture of paraformaldehyde and glutaraldehyde as fixatives, the samples stored in liquid nitrogen should be analyzed as soon as possible.

如有可能，应该尽量现场测定微微型浮游生物样品，否则建议采用多聚甲醛或其与戊二醛的混合物作为固定剂，将样品保存于液氮中，待返回实验室后尽快进行测定。

The People's Hospital of Xinhui, Guangdong Xinhui 529100, ChinaAbstract: Objective: Discussion on disinfection efficacy, time and safety for gastroscopy by ultramicro-soft acidification water and 2% glutaraldehyde in the same four flumes.

目的：探讨超微软酸化水四槽法和2%戊二醛四槽法对胃镜消毒效果、消毒时间及其安全性。

The results show that increasing gelatin concentration, enhancing emulsion and using mixed emulsifier can decrease the gelatin submicron particle diameter using glutaraldehyde as cross-linking agent.

结果表明，采用戊二醛为固化剂、增加明胶的浓度、提高乳化搅拌速度、使用混合性的乳化剂都有利于降低明胶粒子的粒径此外，对制备工艺进行了优化，并在7000r/min左右高速搅拌的条件下，得到了成球性较好的粒径约为450 nm的明胶亚微米粒子。

Methods Baicalin gelatin microspheres were prepared by emulsion chemical-cross linking method with degradable gelatin as carrier, liquid paraffin as oil phase, Span-80 as emulsifier.

以天然的可生物降解的明胶为载体，液体石蜡为油相，Span80为乳化剂，戊二醛为交联剂，采用乳化化学交联法制备黄芩苷明胶微球，测定明胶微球的平均粒径、载药量、包封率，并对工艺重现性进行了考察。

Chitosan was used for treatment of cotton fabrics to impart antibacterial activity. The effect of concentration, molecular weight and degree of deacetylation of chitosan on antibacterial activity to Escherichia coli and Hay bacillus was investigated in detailed.

选用戊二醛作为交联剂，提高了织物耐洗性，通过电镜照片和红外测试发现，经壳聚糖处理后，沉积在织物表面壳聚糖增多，增加了织物的抗菌性能。

Results 65.3 % enzyme activity of IGAD could be reserved compared with unimmobilized one when the concentration of sodium alginate, gelatin, CaCl2, glutaraldehyde and solidifying time were 2.5%, 1.0%, 3.0%, 0.3% and 4 h respectively.

结果 海藻酸钠、明胶、氯化钙和戊二醛浓度分别为2.5%，1.0%，3.0%和0.3%，硬化时间4h，固定化酶的相对活性最高，酶活回收率达到65.3%。

The coupling condition of different lipid ratio, glutaraldehyde concentration and types of liposomes was probed.

探索了不同比例的脂、不同戊二醛浓度和不同类型脂质体的偶联情况。

Results:Methyl aldehyde can"t preserves efficiently the ultrastructure of the renal biopsies.Osmium tetroxide can preserves efficiently it but affects dyeing of the section for light microscopy.However,glutraldehyde not only preserves it better than methyl aldehyde but also doesn"t affect dyeing of the section for light microscopy.

结果：甲醛固定不能有效保存肾穿组织的超微结构，锇酸的固定能有效地保存超微结构，但严重影响了光镜切片的染色；而戊二醛与甲醛相比，较好地保存了肾穿组织的超微结构，同时又不影响光镜切片的染色。

It is prepared by utilizing glutaraldehyde cross-linked β-cyclodextrin to immobilize the uricase on the surface of screen-printed carbon paste electrodes which was modified by MnO2 nano-particles, and ferrocene is employed as an electron transfer mediator.

在丝网印刷碳电极上修饰纳米MnO2，并利用戊二醛和β-环糊精交联固定尿酸酶，以二茂铁作为电子媒介体，研制用于测定尿酸浓度的生物传感器。

Through orthogonal test, chrome-free tanning technology of goatskin shoe upper leather with chrome-free tanning agents such as modified glutaraldehyde,modified vegetable tannin and syntans was studied.

采用改性戊二醛、改性栲胶、合成鞣剂等无铬鞣剂，通过正交试验，优化出了多种鞣剂结合鞣制山羊鞋面革的无铬鞣制工艺。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。