查询词典 sudden enlargement

The results indicate that there is an important relationship between the substructures of butyrolactone in taiwanin A and its biological activity, we find that the enlargement of structure space at the place of methylene of piperonyl group of taiwanin A may be a way to improve its biological activity.

我们发现taiwanin A结构中的内酯﹝butyrolactone﹞与生物活性有著密切关系，另外还推测它次甲基二氧苯基﹝piperonyl group﹞上的次甲基如果能用空间上更大的官能基取代，是改进taiwanin A生物活性的一个方向。

Callosal atrophy,lateral ventricle enlargement and extensive WML are important predictors of incidence of dementia in the small vessel disease;however,left cortical infarct,especially left parietal infarct,is important predictor of incidence of dementia in the multi-infarct.

小血管病患者有胼胝体萎缩，侧脑室扩张和广泛大脑白质病变提示VaD；而左侧大脑皮层梗死，尤其左顶叶梗死是提示多发脑梗死患者为VaD的指标。

The corpus callosum is not isible in the standard transerse iews of the brain but agenesis of the corpus callosum may be suspected by the absence of the caum septum pellucidum and the 'teardrop' configuration of the lateral entricles (enlargement of the posterior horns).

诊断：正常在脑的标准横切面上看不到胼胝体，通常通过透明隔腔小时和侧脑室的泪滴状改变怀疑有胼胝体的发育不良，确诊胼胝体发育不良需要在正中冠状面和正中矢状面上，一般需要做阴道B超显示。

The apparent enlargement of the ventricles seen here is due to atrophy of the head of the caudate from neuronal loss with Huntington's disease, an autosomal dominant condition characterized clinically by choreiform movements.

明显的脑室扩张是因为Huntington病时二乙基溴乙酰胺丧失使尾状核头萎缩，常染色体显性遗传，临床上伴有典型的舞蹈症。

In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage; non-agricultural industry; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies: increasing mechanism of urbanization economies in urban output industry; and changing mechanism from specialization to integration, which are the representations of the evolution of "mart" development; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy: internal spatial enlargement mechanism of urbanization economies from monocentric city to multi-center city, and external spatial enhancement mechanism which represents city-regionalization and city-chain connection, the later two mechanism represent the evolution of "polis" development.

这一部分，按照由抽象到具体和由历史到现代的研究方法，分析了市场机制作用下的城市化经济运行机理，从经济学角度提出了农业剩余与比较优势、非农产业、聚集经济、外溢效应四大城市化经济定理；在此基础上，一方面分析了城市化经济运行沿时间增长的两个内在内容提要机制：城市输出产业的城市化经济增长机制和从专业化到综合化的城市性质变迁机制，它们主要表现为&市&发展的延续；另一方面分析了城市化经济运行沿空间增长的两个内在机制：从单中心到多中心的城市化经济运行的内部空间扩展机理和表现为城市区域化、城市连绵体的城市化经济运行的外部空间扩展机理，它们主要表现为&城&发展的延续。

The most common architectural pattern was cribriform (73%), followed by fused/poorly defined glands (55%), cords/single cells (11%), and solid sheets (5%). Nuclear enlargement was observed in 45 of the 55 studied cases (82%). Prominent nucleoli were either absent or infrequent in 38 cases (69%).

癌细胞最常见的组织结构是筛状（73%），接下来是融合的/不成形的腺管（55%）、条索状/单个细胞状（11%）、实性巢团状（5%）。55例中有45例（82%）可见细胞核增大。38例（69%）见不到或罕见显著的核仁。

Demonstrated by five medicament to 1st age nymphae and prosopon\'s toxicity comparison result that,five medicament obviously are higher than 2~age nymphaes and the prosopon to 1~age nymphae\'s toxicity,explained the Dactylopius confusus along with stadium enlargement,it bears the medicine degree also gradually to enhance, therefore,should prevent and control as soon as possible.

由五种药剂对胭脂虫一龄若虫和成虫的毒力比较结果显示，五种药剂对一龄若虫的毒力均明显高于二龄若虫和成虫，说明胭脂虫随着龄期的增大，其耐药程度也逐步提高，因此，应尽早防治。

But during the process of agricultural industrialization, there are many problems exist in the key enterprises, such as scale enlargement, market deploitation, technology innovation and asset conformity etc.

但在农业产业化经营中，龙头企业还存在规模扩张、市场开拓、技术创新、资产整合等诸多困难。

This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能，共由以下六部分组成：1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应；2、亚甲基环丙烷类化合物开环产物的偶联反应；3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应；4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应；5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应；6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1，3-偶极环加成反应。

Structural abnormality of right heart, especially enlargement of right atrium horizontal diameter is an unrecognized cause of lead instability and dislodgement.

右房结构异常，主要是右房左右径对心室导线植入难度以及稳定性存在明显影响，选用主动固定螺旋电极可能会减少脱位的发生。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"