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Palmitic acid-silicon dioxide nano-composite phase change material was prepared by sol-gel process from tetraethyi orthosilicate and palmitic acid.

采用溶胶—凝胶法,以正硅酸乙酯和棕榈酸为主原料,制备了一种有机—无机纳米复合相变材料。

No peptide sequence of Pasteurella multocida was obtained by performing epitope mapping with the antibodies. The results indicated that hyaluronic acid plays an important role as the immunogen of avian pasteurellosis.

在蛋白质染色、醣染色及西方墨点试验结果比较下,推断单株抗体所变认之抗原可能是一类似玻醣醛酸之多醣类物质。

Pyridoxine, pyridoxal , pyridoxamine as well as their phosphated forms are structural analogues in which pyridoxal-5"-phosphate and pyridoxamine-5"- phosphate are the biological active forms in vivo which act as the cofactors of aminotransferases, amino acid decarboxylases, cysteine desufbrase and cystathionine , etc by constant transconversions. Recently, it was discovered that B6 played a novel role in tumor growth suppression.

它包括三种结构十分近似的化合物:吡哆醇(Pyidoxine,PN)、吡哆醛(Pyridoxal,PL)和吡哆胺(Pyridoxamine,PM),分别以磷酸化的形式发挥作用,其中吡哆醛-5'-磷酸(Pyridoxal-5'-phosphate,PLP)为B_6在体内的活性形式,通过与磷酸吡哆胺(Pyidoxamine-5-phosphate,PMP)的互变,作为多种酶(氨基转移酶、氨基酸脱羧酶、半胱氨酸脱硫酶、胱硫醚酶等)的辅酶而发挥传递基团的作用。

Patchy, peripheral, subpleural consolidation is typical of chronic eosinophilic pneumonia, as is an allergic history.

肺外带胸膜下的斑片状实变是典型的嗜酸细胞性肺炎表现,就像有过敏史一样。

The rheological characteristics of an artificial synovia mainly consisting of hyaluronic acid prepared by editors was discussed.

研究以透明质酸为主要成分的人工滑液的流变性质,分析添加γ-球蛋白和La-DPPC 磷脂对人工滑液流变性能和润滑性能的影响,并结合滑液粘弹性质与摩擦副表面理化性质对润滑模式进行了探讨。

For the propose of finding high energy mid-infrared laser output, a compound cavity kalium titanyl arsenate optical parametric oscillator pumped by an electro-optic Q-switched flash-lamp-pumped 1064nm Nd:YAG laser was experimentally studied.

为了得到高能量中红外激光输出,对电光调Q灯抽运1064nm Nd: YAG抽运复合腔砷酸钛氧钾光学参变振荡器作了实验研究,在工作频率1Hz时得到OPO输出单脉冲能量36mJ,信号光脉宽10ns,闲频光波长3407nm,能量11mJ。

The results showed that 22.5μL/L of clove leaf oil had the best preservation effect on peach. After 35 days of stock, the sound fruit rate was 94%, 46.9% higher than compared group. The rotten index and the browning index were 94.1% and 85.2% lower than the control, respectivly, and the treatment could remarkablely reduce the respiration rate and ethylene release, and postponed ethylene release peak and respiration peak 5 and 10d, respectively in comparison with CK, it also delayed the drop of firmness and contents of titrable acids of the peach. When stored for 35d, firmness of control group and 22.5μL/L of clove leaf oil were decreased 60% and 34% compared with initial storage, and the activities of SOD, CAT and POD were enhanced, but the contents of SSC had no obvious difference with control.

结果表明,与对照相比,22.5μL/L丁香叶油处理对桃果实的防腐保鲜效果最好,贮藏35d时好果率为94%,比对照提高了46.9%,腐烂指数和褐变指数分别比对照低94.1%和85.2%;丁香叶油处理可以有效降低桃果实的呼吸强度和乙烯释放量,呼吸强度高峰和乙烯释放量高峰分别推迟5和10d,延缓了果实硬度和可滴定酸含量下降的速度;贮藏35d时对照和22.5μL/L丁香叶油处理果实硬度分别比贮藏初期降低了60%和34%;丁香叶油处理提高了超氧化物歧化酶、过氧化氢酶、过氧化物酶3种膜脂过氧化物酶的活性,但可溶性固形物含量与对照相比无明显差异。

The lower the storage temperature; the better the surface color of Typha latifolia.

将产品 pH 值调整为 3.0 并添加 1‰的 L-半胱氨酸可以抑制这种褐变。

The reactivity of dodecylamine, GMA and 2-ethyl-2-oxazoline reacting with grafted ABS is: GMA-ethyl-2-oxazolinedodecylamine. The reactivity of grafted polymer is: ABS-g-acrylic acid Melt grafting of undecylenic acid onto ABS was carried out in a Haake Rheocord RC90 mixer using dicumyl peroxide as initiator.

将ABS接枝物与聚酰胺熔融共混,共混物的粘度和扫描电镜结果表明接枝物的反应活性顺序为:ABS-g-丙烯酸以DCP为引发剂,在HAAKE流变仪的密炼机中能成功进行10-十一烯酸熔融接枝ABS树脂。

When feeding with undecylenic acid by fed-batch culture, there was a lag time when microorganism using undecylenic acid as a new carbon source. The molar fraction of unsaturated monomer could be achieved by 37.39% at 73 hr cultivation. We can see the property of PHA become flexible with cultivation time by the lower of Tg.

发酵槽馈加十一烯酸培养实验,产物为PHO与PHU(poly-3-hydroxy-8-noneneoate为主)所形成之混掺物,且双键所占比例随时间增加,培养第73小时可得到双键比例37.39%;随培养时间增加,玻璃转移温度(Tg, glass transition temperature)由-34.03℃下降至-42.40℃,显示PHA性质变得更加柔韧具有弹性。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。