查询词典 methanol

NJWGY3665 bacterial strain is inoculated in a glucose nutrient culture medium to carry out the slant culture, the culture temperature is 28 to 37 DEG C and the culture time is 2 to 6 days;(2) seed culture: a spore which is cultured on a slant is produced into a single-spore suspension by using sterile water, which is also inoculated in a seed culture medium for culture, the temperature is 28 to 32 DEG C, the rotational speed is 200rpm and the culture lasts for 2 to 6 days;(3) fermentation culture: the seed liquid is inoculated in a fermentation culture medium for culture, the temperature is controlled at 28 to 37 DEG C, the pH is controlled at 6.0 to 9.0, the rotational speed is 180 to 220rpm, the fermentation lasts for 5 to 9 days, so as to obtain the Streptomyces sp., methanol or ethanol is used for the extraction and separation of mycelium through the method of centrifugal separation, then the resin method is adopted for carrying out refining, so as to obtain the peptide antibiotics enramycin.

NJWGY3665菌种接到葡萄糖营养培养基中，进行斜面培养，培养温度28-37℃，培养时间2-6天；(2)种子培养：用无菌水将斜面上培养的孢子制成单孢子悬液，并接种到种子培养基中培养，温度为28～32℃，转速为200rpm，培养2-6天；(3)发酵培养：将种子液接种到发酵培养基中培养，温度控制在28-37℃，pH控制在6.0-9.0，转速180-220rpm，发酵5-9天，得到链霉菌，采用离心分离的方法将菌丝体用甲醇或乙醇进行提取分离，再采用树脂方法进行精制，获得多肽类抗生素安来霉素。

Optimization technology was acetidin: N-hexane (3:7) as low-pole solvent system, methanol: dichloromethane (1:9) as polar solvent system, 20% glycerol filter paper as moisturizer, 14 h age Bacillus subtilis as indicating strain seed on thin layer plate cultivated for 14~18 h, 1% TTC staining time 1~2 h, bacterial mix method suitable to 0.2%~0.6% agar semisolid bouillon culture-medium, bacterial spread method suitable to 1% agar semisolid bouillon culture-medium.

结果：该方法展开系统筛选简单，抑菌斑位置准确、斑点清晰，其优化条件为：以乙酸乙酯：正己烷(3：7)为弱极性展开系统，甲醇：二氯甲烷(1：9)为强极性展开系统，用20%甘油滤纸对湿室保湿，以14h菌龄的枯草芽孢杆菌为指示菌种子液，自显影薄层板36℃培养14~18h，1%TTC显色时间为1~2h，含0.2%~0.6%琼脂的半固体肉汤培养基应使用混菌法生物自显影，含1%琼脂半固体肉汤培养基应使用涂布法生物自显影。

Toxicities of methanol, propylene glycol and n, n-dimethylformamide were lower than the others when sea perch and Japanese flounder embryos were exposed to 6 cryoprotectents, respectively.

鲈鱼尾芽期胚胎在十种稀释液中分别处理后，DS1组的胚胎成活率最高(95％)，与海水对照组没有显著差异。鲈鱼和牙鲆胚胎单一抗冻剂的毒性实验结果表明，甲醇、1，2-丙二醇和二甲基甲酰胺的毒性低于其它三种抗冻剂的毒性。

The results indicated that heartbeat stage of sea perch embryo, tail bud stage of Japanese flounder and turbot embryo were suitable developmental stages for cryopreservation.

三种海水鱼类胚胎的毒性耐受力实验结果表明：无论是用methanol，还是用PG处理鲈鱼不同发育时期胚胎，都是心跳期胚胎的成活率最高；牙鲆和大菱鲆尾芽期胚胎在20％的PM32混合抗冻液中成活率分别为87％和78.55％，分别高于其原肠中期、胚孔封闭期、心跳期、出膜前期胚胎的成活率。

Propagation and development characteristics of surface instability of the spherical premixed flames for methanol-air-nitrogen mixtures were studied by using a constant volume combustion chamber and high-speed schlieren photography system.

利用高速纹影摄像法在定容燃烧弹内研究了不同燃空当量比、初始压力、初始温度和气体稀释度下甲醇－空气－氮气混合气预混球型火焰的发展特性以及3种火焰锋面的不稳定性。

After the methanol phase extracted from pulp is treated by pocket resin, 50% alcohol eluent inhibitory is strongest. It can be included that the existence of seed inhibitor is the primary cause of the seed dormancy.

采用变温层积的处理方法来解除刺五加种子休眠，在实验室条件下，对刺五加种子进行层积处理，前期高温平均温度19.36℃(2～4个月)，后期低温时的平均温度为4.11℃(5～6月)。

Jinan Fertilizer Plant is a limited liability company Jinan, the Jinan city-run enterprises, with more than 40 years of chemical industry, Fertilizer production history, and covers more than 60 million square meters (about 900 acres), serving grades 1637, The principal products are : ammonia, nitric acid, methanol, liquid carbon dioxide, ammonium bicarbonate, Fertilizer, melamine and plastic sacks. water, electricity, gasoline and utilities, such as the capability to complete refrigeration.

济南化肥厂有限责任公司是济南市市属重点企业之一，具有40多年的化工、化肥产品生产历史，占地面积60余万平方米（约900亩），在职职1637人，主要产品有：合成氨、硝酸、甲醇、液体二氧化碳、碳酸氢铵、复合肥、三聚氰胺、塑料编织袋等，水、电、汽、制冷等公用设施配套能力齐全。

Diethylene glycol in toothpaste sample was extracted with mixture of methanol and water(mixed in the ratio of 4 to 1 by vol.),and after centrifuging,the supernatant solution was used for GC analysis.Chromatographic conditions for the determination were studied and optimized.

牙膏样品中的二甘醇用甲醇与水(4+1)的混合溶剂提取，用离心法分相后取上层清液进行气相色谱分析，对色谱测定的条件进行了试验并予以优化。

Due to there is hydroxyl group in all the alcohols, and they can form intermolecular hydrogen bond with MB-Hb system which results in the aggregation of them . The adding of these straight chain alcohols result in enhancing of RRS with different degrees except methanol.

由于所有的这些直链醇均含有羟基，他们可以与MB-Hb 体系通过分子间氢键形成大的聚合物，从而导致RRS强度不同程度的增强，除了甲醇外。

We have also studied the conformational change of PNIPAM brush in water-methanol mixture.

我们还研究了水—甲醇混合溶剂诱导的PNIPAM高分子刷的构象转变。

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。