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Based on using the alkaliferous brine from the diaphragm production system as the feed water for the ion-exchange membrane production system and enhancing the ratio of bittern doping,make full use of the alkaliferous brine produced by the evaporat.

无锡化工集团格林艾普化工股份有限公司面对原材料涨价的不利局面,通过严格的试验和分析,采用价廉的原材料进行了两次技术改造,在以隔膜生产系统碱盐水为离子膜生产系统原料水、提高掺卤比的基础上,利用离子膜淡盐水溶化来自蒸发离心机的碱盐,最大幅度地提高了卤水的用量,进一步降低了生产成本,增强了产品的竞争力,创造了较大的经济效益。

Twenty three species belonging to 8 tribes 19 genera of the subfamily were involved, and eight species of eight genera belonging to six subfamilies of Braconidae were used as outgroups with Rogadinae, Braconinae and Doryctinae usd as "root" to testify the monophyletic nature of the subfamily. Four new DNA sequences of D2 region of 28S ribosomal were amplified and submited to GenBank. Forty one characters of morphology were selected and analyzed in a cladistic manner.

利用&圆口类&的内茧蜂亚科Rogadinae、茧蜂亚科Braconinae、矛茧蜂亚科Doryctinae的3个亚科为根,以PAUP4.0和MrBayes3.0B4软件分别应用最大简约法和贝叶斯法对优茧蜂亚科的分子数据和分子数据与非分子数据的结合体进行了分析;并以PAUP4.0对优茧蜂亚科的28S rDNA D2基因序列的片段的碱基组成与碱基替代情况进行了分析。

What\'s more, different intervals of UV have their own characters in influencing DNA: the damage to some bases by UVA may be more serious than that by UVB, and UVB did more severe damage to some deoxyribose than UVA; however, as far as the pyrimidine bases are concerned, the damage by UVB is by far more serious than that by UVA. These results may indicate that there are preferential damaging sites on DNA molecules caused by UVA and UVB irradiation. Moreover, with UVA or UVB irradiation for a long time, the photoreactivation of DNA occurred. The serious damage to deoxyribose and bases by UVB and UVC may confirm the conformation of cyclobutane pyrimidine dimers and (6-4) photoproducts.

而不同波段紫外辐射对DNA的损伤各具特点并且差异明显,UVA对一些碱基的损伤比UVB要严重,而UVB在对脱氧核糖和磷酸盐的损伤上又比UVA要严厉,但就嘧啶碱基来说,UVB对它的损伤远大于UVA,这似乎表明了不同的紫外波段对生物大分子DNA的损伤是有选择性的。

Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.

选取了7种植物源化合物,测定了它们对德国小蠊的毒性和驱避性,结果表明,鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用,其中鱼藤酮乙酸乙酯溶液作用较强,8小时死亡率已达100%,川楝素和印楝素对德国小蠊也表现出一定的毒杀作用,观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用,苦参碱和川楝素影响其卵鞘形成;进一步对这几种化合物的驱避性进行研究,结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用,其驱避率分别为96.7%、51.3%和50.1%,另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性,供试虫全部被击倒的时间分别为8小时和48小时。

The research displayed that yeasts Genus level can be discerned by agarose gel electrophoresis and polyacarylamide gel electrophoresis, but the latter is more advanced. The Saccharomyces cerevisiae strains ITS-1 sequences are most disalike, few of them are equal completely. The bigger differences are part of base pairs about Poly-T, others are exchanged by single base pair.

研究表明,以酵母菌株的rDNA ITS-1序列进行琼脂糖凝胶电泳,能把菌株分类鉴定到属的水平;采用非变性聚丙烯酰胺凝胶电泳能把部分酿酒酵母菌株分类鉴定到种的水平,区别效果较琼脂糖凝胶电泳有所提高;对rDNA ITS-1序列进行克隆、测序,经序列比对后发现,酿酒酵母属中酿酒酵母菌株的ITS-1序列大多数有差异,差异主要表现在ITS-1序列上游的一段Poly-T碱基上,其它处的差异仅是个别碱基的转换或颠换,ITS-1序列长度分布在360-370bp之间,G+C%含量均在35.3%左右。

In our study, 3 genotypies have been respectively demonstrated in UL139 and UL149 for the first time, and the corelations between certain genotypical structure and certain diseases were also proposed; The existence of the 3 genotypes of UL144 was foremost verified in isolates from congenital infants; Furthermore, the UL140, UL141 and UL145 genes were observed to be greatly discrepant to those had been described previously: comparing with Toledo, 231 nt are inserted in UL140, 2 more ORFs are obtained in UL141, and the UL145 ORF moves upstream by 90 nt. Except UL144, the sequences of 18 else genes in clinical isolates were submitted for the first time, and 479 sequences were assigned by GeneBank in total. Relevantly, 9 papers were published.

我们在学术界首次证实了HCMV UL139、UL149两个基因在临床分离株中分别存在三种基因型,发现了其中某个基因型的基因结构与特定来源的分离株存在一定的对应关系;首次在先天感染分离株中验证了UL144三种基因型的存在;首次证实了UL140、UL141和UL145等基因与原先认识的基因结构不同,其中UL140基因较Toledo株增加了231个碱基、UL141产生2个新的基因编码区、UL145 ORF较Toledo株前移90个碱基;首次或最先提交了除UL144基因外其余18个基因的临床分离株序列,本项目组共有479个HCMV相关基因序列被GenBank收录;发表研究论文9篇。

The effects of four factors (concentration and the quantity of NaOH,temperature and heating time) on the protein recovery were studied on the base of the analysis of mycelium residue of itaconic acid fermentation.

研究了衣康酸工业化生产中所产生的土曲霉废菌丝体的主要组成成分,用碱液提取的方法进行了蛋白质的提取回收实验,考察了NaOH溶液浓度、用量、加热温度及时间对菌丝体脱蛋白效果的影响,结果表明衣康酸菌体脱蛋白的最优条件为:NaOH液浓度0.5mol/L,碱液用量为菌丝体的40倍,90℃条件下加热9h。

Flame retardants may interrupt or change the decomposition process in several ways:(1)they may melt at relatively low temperatures and resolidify in the form of a foam, which serves as a barrier to heat transfer from the flame to the substrate;(2) they may be converted upon heating into acids or bases, which catalyze the decomposition of the substrate at lower temperatures than are required for the formation of volatile combustibles;(3 ) they may decompose orsublime upon heating to release large amounts of nonflammable vapors which exclude oxygen from the flame; or (4) they may react with chemicakl species within the flame to stop the combustion reaction.

阻燃剂可以从几个方面干涉或改变织物的分解过程:(1)阻燃剂在相对较低的温度时会熔化,然后重新固化成泡沫状,这样就形成了一个屏障,阻止了从火焰向织物的热传递。(2)阻燃剂受热时会分解成酸或碱,这些酸或碱在低于可生成挥发性可燃物的温度下可以催化织物的分解。(3)阻燃剂在受热时会分解或升华,同时释放出大量不可燃气体,这就阻止了氧气对火焰的供应。(4)阻燃剂可以与火焰中的化学物质起反应,使燃烧反应终止。

Ceramic bearings can produce oxidation-ho, silicon carbide, silicon nitride and so on, diameter from 3mm-50mm, precision Machinable P0, P6, P5 level; its performance characteristics are: high temperature, oil-free self-lubricating, acid, alkali and salt corrosion , wear resistance, low noise, insulating diamagnetic, since high-speed operation; metal nano-ceramic bearing its production process for a new generation of high content of nano-particles in the heat and pressure infiltration of metal surface is activated to fill the cracks and pits the metal so that 3-5 micron metal surface is more smooth solid surface, greatly reduce the friction, improve Chennai base metals, and greatly increased the life span of bearings, and its characteristics are: long life (as an ordinary stainless steel bearings 2 -- 10-fold), low noise (as an ordinary stainless steel bearings, 70%), wear-resisting, acid, alkali, salt corrosion, high temperature, load large; ceramic bearing and metal nano-ceramic bearing design and development to meet the needs of the market for high-speed, low - noise, high load, the demand for corrosion-resistant; Machinery Production Department to produce aircraft rod end joint bearing, linear guide bearings, the fuel tank of earrings, plastic bearing, non-standard side bearing components, glass door hardware, such as high-precision control products; and provide CNC machining.

陶瓷轴承可生产氧化镐、碳化硅、氮化硅等,内径从3mm-50mm,精度可加工P0、P6、P5级;其性能特点为:耐高温、无油自润滑、耐酸、碱、盐腐蚀、耐磨、低噪音、绝缘抗磁、起高速运转;金属纳米陶瓷轴承其生产工艺为新一代的高含量纳米级微粒在热和压力的作用下被激活渗入金属表面,填补金属缝隙和凹坑,使金属表面3-5微米表面更光滑坚固,大大降低其摩擦力,提高金属的奈酸碱性,并大大提高了轴承的寿命,其特性为:长寿命(为普通不锈钢轴承的2-10倍)、低噪音(为普通不锈钢轴承的70%)、耐磨、耐酸、碱、盐腐蚀、耐高温、负载大;陶瓷轴承与金属纳米陶瓷轴承的设计开发以满足市场对高转速、低噪音、高负载、耐腐蚀的需求;机械生产部以生产机杆端关节轴承、直线导轨轴承、油缸耳环、塑料轴承、非标端轴承零部件、玻璃门控五金等高精度产品;并对外提供数控加工。

Results:Berberine inhibited HUVEC adhesion for lymphocyte when pretreated HUVEC and antagonised IL-1 and TNF-induced upregulation of HUVEC adhesion for lymphocyte.Meanwhile,IL-1-stimulated lymphocyte adhesion to HUVEC was diminished in the presence of berberine.The main molecular mechanism of berberines function may be downregulating the expression of ICAM-1 on the HUVEC .

结果:小檗碱能抑制静息的及IL-1、TNF激活的内皮细胞与淋巴细胞间的粘附,其主要分子机制为下调内皮细胞表面粘附分子ICAM-1的表达;小檗碱能抑制IL-1激活的淋巴细胞与内皮细胞的粘附,对淋巴细胞表面粘附分子CD18的表达无影响。

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