查询词典 Ultraviolet

The ultraviolet photosensitive initiating system is composed of 4,4"-bis(N,N"-dimethylamino) benzophenone, 2-chlorohexaarylbiimidazole and a hydrogen donor coinitiator n-dodecyl mercaptan.

用光敏剂4，4′-二(N，N′-二甲基-氨基)苯甲酮、引发剂邻氯代六芳基双咪唑和氢给体助引发剂十二烷基硫醇组成光敏引发体系。

The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.

采用同一标准液和天然水样用酚二磺酸光度法和紫外分光光度法测定硝酸盐氮，进行比对分析，同时调查云南省内用此两种方法密码样考核的情况。

The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.

测定水中硝酸盐氮含量有多种方法，主要包括酚二磺酸光度法、锅柱还原法、戴氏合金还原法、离子色谱法、紫外分光光度法和电极法等。

The thesis chose 4, 4\'-diazostilbene-2, 2\'-disulfonic acid disodium saltas cross-linking agent to crosslink poly in commercialNafion117 membranes under the irradiation of ultraviolet.

本论文选择4，4'-双叠氮菧-2，2'二磺酸钠为交联试剂，以紫外光引发，使聚乙烯吡咯烷酮在Nafion膜中发生交联，从而制备了semi-IPN型Nafion／PVP复合膜。

spectrophotometric method with phenol disulfonic acid ; ultraviolet spectrophotometer ; nitrate nitrogen ; comparison

本文通过对常用的酚二磺酸光度法和紫外分光光度法进行实验比对，同时调查云南省内两种分析方法考核的情况，从而找出两种方法的优缺点，供分析人员在实践中借鉴。l原理1.1酚二磺酸光度法测定的原理方法依据：GB7480一87《水质硝酸盐氮的测定酚二磺酸分光光度法》。用浓硫酸与苯酚作用生成酚二磺酸

On the condition of low-temperature, Dothiorella ribis growing can be inhibited; it has difficulty in utilizing cellulose and starch because ultraviolet treatment and dark-cultivation make it grow slowly. It is optimal to grow and the weight of dry mycelia is the heaviest at pH6.2 cultures.

多主小穴壳菌在低温条件下生长受到抑制，淀粉和纤维素作碳源时生长不快；紫外线处理和黑暗培养都生长不好；在pH值为6.2时适合其生长且菌丝干质量最大。

The glacier has no pollution with 1.36 of air dreggy index that is lower than 2.25 of that of the world average level, and without any virus, for example, coliform etc, and the ultraviolet radiation can effectively kill bacterium.

透明梦柯冰川少受人类污染，没有大肠杆菌等病毒。空气混浊指数只有1.36，而全球平均为2.25。紫外线照射有很强的杀菌作用，温度适中，气温不高，凉爽宜人。透明、清新、悦身，是其空气水质特征。

In the workshop has the filtration dust air-interchange system, the ultraviolet ray sterilizing lamp and the ozone sterilizing machine, had guaranteed dustlessness aseptic safety in production environment, the packing material clean between carries on first after the can cleanly, then arrives at the ozone disinfection warehouse to carry on the disinfection sterilization, guarantees the packing material safety and health.

车间内有过滤灰尘的换气系统，紫外线杀菌灯和臭氧消毒机，保证了无尘无菌的安全生产环境，包装材料先经过铁罐清洁间进行清洁，再到臭氧消毒仓进行消毒杀菌，确保包装材料的安全卫生。

The average yield of AFP purified from an embryon was 0.7mg and the recovery of AFP was 45.71%. The efficiency of coupling measured by ultraviolet absorption method was 95.38%.The purified AFP was homogenous in SDS-PAGE. This method is suitable for scale manufacture of AFP.

本文报道用3～5个月胎龄的胚胎组织作材料，采用盐析、凝胶层析与亲和层析相结合的方法分离纯化AFP，以建立一种适合大批量生产AFP的工艺方法。

And the emeraldine salts (ES2) of polyaniline were prepared by emeraldine base form of polyaniline doped with different acid dopants at room temperature. The structure and morphology of ES1 and ES2 were characterized by Fourier transform infrared spectrometer, Ultraviolet-Visible spectrophotometer and wide angle X-ray diffactometer, respectively.

并藉由傅立叶红外线光谱仪结构之鉴定，四点导电度计体积电阻之测定，黏度法重量平均分子量之量测，元素分析仪元素掺杂比之测定，紫外线-可见光光谱分析仪吸收波长之解析，X-ray绕射分析仪分子形态之分析，低频/高频阻抗分析仪介电行为之探讨，以及同轴量测系统电磁波遮蔽效应等之量测。

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。