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The fragrance substances inpumpkins were primary esters, aldehydes, terpenoids and volatile acid et al. The most of flavor substances were easy evaporable.

构成南瓜香气的香味物质成分主要是酯类、醛类、萜类、醇类、酮类及挥发酸等，绝大部分风味物质含量低，又易挥发。

Furthermore, the index-evaluated angiogenesis has a significant correlation with microvascular density. So contrast-enhanced ultrasound can help predict prognosis and select treatment plan of anti-angiogenic therapy and exairesis et al.

同时其反映肿瘤血管的指标与肿瘤微血管密度具有较高的相关性，从而为预测预后及抗肿瘤血管生成的疗法、手术切除等治疗方案的选择提供重要的依据。

Secondly, we show a security flaw in a previous certificateless ring signcryption scheme (Wang et al.'s scheme). It is not existentially unforgeable for Type I adversary.

其次，本论文指出了Wang等的无证书环签密方案的一个安全缺陷，对于第一类攻击者，此方案并不是存在不可伪造的。

Recently, a new pluripotent stem cell establishing method was reported that, mouse and human differentiated cells could be induced reprogrammed into a pluripotent state by expressing exogenetic stem factors such as Oct4, Sox2, et al, through retroviral transduction.

通过反转录病毒载体系统，在小鼠和人类高度分化细胞中表达干细胞因子Oct4， Sox2， Klf4和/或c-Myc等基因，再经过干细胞标志因子Nanog或Oct4筛选，可以获得与ES细胞特性十分近似的诱导多能干细胞系。

Kopin et al, estimate that exogenously administered melatonin disappears from whole mice with a half-life of about 2 min through the first 10 min following injection but that after 40 min the half-life has grown to about 35 min.

Kopin等人，估计外部褪黑素从整个小鼠消失的半衰期在注射后的最初10分钟里，大约为2分钟，但注射后40分钟后半衰期就增长到约35分钟。

Et al. described the use of an extramedullary alignment guide from

保留了踝关节的正常轮廓而且肢体短缩的程度也最小。

The occurrence of flavanols in the nuclei of several tree species Feucht et al.

人们对于几个树种细胞核中黄烷醇的出现还存在很大争议。

Amorphous alloys represent a variety of special materials with short-range ordering while long-range disordering structure which may provide pathways to the excellent catalytic properties, i.e., good anti-poisoning ability, the higher catalytic activity and selectivity in homogeneous hydrogenation of a,p-unsaturated aldehyde, the low and even none environment pollutionUp to now, in hydrogenation of furfural to furfuryl alcohol, the most commonly used catalysts are Cu-Cr dopant Cu-Cr, and Raney Ni et al.

目前，在糠醛催化加氢反应中所用的催化剂主要有Cu-Cr和修饰的Cu-Cr以及Raney Ni等，Cu-Cr催化剂毒性较高，对环境构成严重的危害，而且易阻塞反应器。

The growth of H. fusiformis was determined by weighting the fresh algae every two days and the photosynthetic oxygen evolution was assayed by a Clark-type oxygen electrode. To determine the contents of chlorophyll a and UV-absorbing compounds, methanol extracts from H. fusiformis were scanned from 250 to 750 nm. The concentration of chlorophyll a was calculated using the equation of Porra and the contents of UVAC per fresh mass were estimated by determining the ratio of UVAC to chlorophyll a according to Dunlap et al and multiplying the ratio of chlorophyll a content to fresh weight of the sample used.

羊栖菜的生长是通过每两天测量一次藻体的湿重来测定的，光合放氧是用Clark型氧电极测定的，为了测定藻体叶绿素a和紫外吸收物质的含量，从250 nm到750 nm对羊栖菜的甲醇提取液进行扫描，叶绿素a的浓度用Porra的公式计算，紫外吸收物质的计算是根据Dunlap的方法先计算紫外吸收物质和叶绿素a的比率，然后乘以每单位藻体叶绿素a的含量。

Galactosidase can hydrolysis a -galactosis bond , namely it can hydrolysis galactosis complex of non-reductive ends binding α-bond, so it can hydrolysis oligosaccharides such as raffinose、 stachyose、 verbascose, et al. It also can hydrolysis heteropolysaccharide including α-galactosis bonds.

能催化α-半乳糖苷键的水解，即能水解非还原性末端以α键结合的半乳糖苷化合物，因此它能水解蜜二糖、棉子糖、水苏糖和毛蕊花糖等低聚糖，还能水解含有α-半乳糖苷键的杂多糖。

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。