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The steep decline in BedZED's on-site renewable-energy production in the last few years stems from its trouble-plagued combined heating and power plant, which is no longer running.

在过去的几年里贝顿的现场可再生能源比例的锐减源于它麻烦不断的热电联产设施,并且这套设施也不再使用。11%的比例代表的是由贝顿的太阳能光伏电池板产生的电力。

Monocholesterylsuccinate is synthesized using cholesterol and succinic anhydride as raw materials in heptane and trace pyridine as catalyst.

以正庚烷为溶剂、吡啶为催化剂,采用二酸酐和胆固醇以均相法合成了二酸单胆固醇酯。

The synthesis methods of dibutyl succinate catalyzed by p-toluene sulfonic acid, amino sulfonic acid,strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, copper sulfate , ammonium ferric sulfate dodecahydrate, titanium sulfate, sodium bisulfate monohydrate,and solid super acid et al were reviewed.

本文评述了对甲苯磺酸、氨基磺酸、强酸性阳离子交换树脂、六水三氯化铁、五水四氯化锡、十二水合硫酸铁铵、硫酸钛、一水硫酸氢钠和固体超强酸等催化剂催化合成二酸二酯的方法。

Chloro-2-methyl-4-acetoxy-2-butene was treated with hexamethylenetetramine, followed by hydrolysis to yield 4-acetoxy-2-methyl-2-butenal, a key intermediate for vitamin A .

1-氯-2-甲基-4-乙酰氧基-2-烯与乌洛托品成盐后水解,得到合成维生素 A的重要中间体4-乙酰氧基-2-甲基-2-烯-1-醛,用微波辐射可促进水解,反应0.5h收率可达77%。

Bis auf Augustinus-Hieronymus (Breslau, 1879-81); NORDEN, Die antika Kunstprosa (Leipzig, 1898), II; there is an immense number of studies of the language of particular Fathers [eg HOPPE on Tertullian (1897); WATSON (1896) and BAYARD (1902) on Cyprian; GOELTZER on Jerome (1884); REGNER on Augustine (1886), etc.], and indices latinitatis to the volumes of the Vienna Corpus PP.

之二auf奥古斯- hieronymus (布雷斯劳, 1879年至1881年);北欧,模具antika kunstprosa (莱比锡, 1898年),二是有巨大的多项研究的语言,特别是父亲[如洛尔霍普对戴尔都良( 1897 );沃森( 1896年)和贝亚德( 1902年)就塞浦路斯; goeltzer对杰罗姆( 1884 ); regner对奥古斯( 1886 )等] ,以及指数latinitatis以厚厚的维也纳语料库页。

Utilization ofantiseptic would not be affected by temperature or pH.The antiseptics had a longperiod of validity,the effect is much better than most other antiseptics,could notarose skin hypersusceptibility,resist to metabolization,and had a wide utilizationrange.

研究中采用了本实验室自行合成的抗菌剂反烯二酸桂醇甲酯,测定了反烯二酸桂醇甲酯在不同的pH值、不同温度、不同浓度条件下的抑菌活性、抑菌谱,并与其它常用抗菌剂的抑菌效果做了比较。

Therefore it is very necessary and of great importance in environmental protection and economy to study the industrially production method of 3-hydroxybutyric acid.

生物降解塑料的开发是解决"白色污染"的有效途径,3-羟基酸是制备生物降解塑料的重要原料之一,且目前尚无规模化的工业生产,故研究3-羟基酸的工业化合成方法具有重要的环境意义和经济意义。

Applications A fast curing accelerator for natural, synthetic rubber and latex, it can be used as accelerators of butyl rubber, acrylonitrile-butadiene rubber and EPDM rubber, non-toxic, inodorous, stainless and changeless in colors on products, suitable for coated fabric,.

用途 天然胶、合成胶用超促进剂以及乳胶用一般促进剂。特别适用于对压缩变形有要求的基胶和耐老化性能优良的腈胶,也适用于三元乙丙胶。

In order to overcome the shortage of conformable precision, polyamide affinity membrane modified by cibacron blue F3GA was introduced into the pretreatment unit to get rid of interferer from large molecule such as albumin in serum. The affinity membrane was combined with micro-fluidic chip by embedded and external methods and using external-combination pretreatment unit, average enrichment was 89.36 times, RSD was 4.37%.

为了提高测试的精密度,进而设计含膜复合式预处理芯片,探讨了不同预处理单元对血清样品中痕量盐酸多巴酚胺富集效率的影响,优化设计了外接式硅胶整体柱-亲和膜微芯片固相萃取预处理单元,复合式的反相硅胶整体柱对血清中微量盐酸多巴酚胺的平均富集倍数提高到89.4,RSD为4.37%。

The current situation of utilizing isobutane and isobutylene in China were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically.

介绍我国异烷和异烯资源的利用现状,重点对异烷脱氢制备异烯的反应机理、反应流程和催化剂类型进行了论述。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。