查询词典 naphthalene
- 与 naphthalene 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Hybridization of DNA fluorescent probe modified by coumarin deriving from naphthalene has been researched.
对萘系衍生的香豆素类荧光发色团进行了DNA荧光探针杂交实验的研究。
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The result showed that the hazardous pollutants ts were phenol, cresol and naphthalene.
结果表明,甲酚、萘、苯、酚是危害人体健康和生态的主要污染物。
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For the naphthalene hydrocarbon in crude oil, strains were isolated by screening and acclimatizing at the existence of cyclohexane.
最后进行了单一菌和混合菌降解石油废水的试验研究,得到很好的效果。
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Our subordinate companies exclusively distribute chemical raw material awarded from province and ministry such as 10,000-30,000 unit amylase, protease, high grade different propyl alcohol, cymene naphthalene, glacial acetic acids, Adipic acid, emulsifier, Sodium hexametaphosphate, industry alcohol, etc.
下属分厂专业生产省优部优淀粉酶1-3万单位、蛋白酶、植酸酶、木聚糖酶、优质异丙醇、甲基萘、冰醋酸、α-乙酰乳酸脱羧酶、乳化剂、六偏磷酸钠、工业酒精等化工原料。
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Results indicates,these six kinds of naphthalene sulfonic acidformaldehyde condensation product quaternary ammonium salts have excellent dispersiveness,as well as water-reducing and strength-increasing abilities.
前期研究结果表明:混凝土聚合物型外加剂中金属离子的改变对其性能有较大影响。与金属离子相比,季铵阳离子在分子结构、空间体积、亲水性等方面具有更大的可变性。
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Methods The influence factors of pretreatment conditions were studied by orthogonal test according to the content of toluene and naphthalene in the eluate and its UV absorbance(254 nm).
方法采用正交试验设计以洗脱液中甲苯、萘的量及其紫外吸收值为指标(254 nm),考察了D-101型大孔吸附树脂预处理过程中的影响因素。
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A series of reactions may occur when the nitrous acid and naphthalene inside the atmospheric aqueous phases is exposed to sunlight. This article devotes to investigating from a microscopic angle the reaction mechanism and kinetics of this system using laser flash photolysis technique with an excitation wavelength of 355nm. The main research results are listed as below:(1) The OH quantum yield FOH for the photolysis of HNO2 in the aqueous phase was determined to be 0.234 and the absorption spectrum of OH radical was recorded as well.
本文以激光闪光光解为主要研究手段,考察了大气液滴中的HNO2及HNO2+萘体系经355nm紫外光照射后发生的微观反应及其机理,结果表明:(1)液滴中的HNO2经355nm光照产生OH自由基的量子产额为FOH=0.234;以瞬态技术记录了水相中的OH自由基的吸收光谱。
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With semi-lignified branches of 2-year-old C. surattensis, that haleness and no diseases and pests as the materials, and treatment with clean water as CK, the effects of 250, 500, 1000 mg/L indole butyric acid and 250, 500, 1000 mg/L naphthalene acetic acid on survival rate, plant height, average rooting number and root length of shoot were studied.
方法]以生长健壮、无病虫害2年生黄花槐的半木质化枝条为材料,以清水处理为对照,研究250、500、1000 mg/L吲哚丁酸和250、500、1000 mg/L萘乙酸处理对枝条成活率、株高、平均生根数及根长的影响。
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It is difficult for naphthalene to accumulate in hydrophyte.
萘难以在凤眼莲体内富集。
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The degradation and removal of typical aromatics including aniline, naphthalene and indene under aerobic conditions were studied using flask-shaking tests.
通过摇瓶试验研究了典型芳烃类物质苯胺、茚和萘在好氧条件下的降解去除规律。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力