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对...发生影响

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The reaction process in methanol solvent can be deduced from the computational results with CPCM solvent model and the supermolecular handling, namely the reaction involves four steps in the methanol solvent. The nucleophilic addition of trimethylamine to acraldehyde generates an enolate. Nucleophilic attack of the enolate on the aldehyde forms the carbon-carbon bond, followed by the proton-transfer process and the further elimination generating the product and liberating the trimethylamine catalyst.

对于CH3OH对反应体系的影响,可以综合考虑CPCM溶剂模型及超分子模型下的研究结果,即CH3OH溶剂中反应按四步进行,催化剂三甲胺首先与丙烯醛发生亲核加成,生成的两性离子中间体与甲醛发生类似于Aldol的醛醇缩合,形成碳-碳键,之后发生分子内质子转移,最后经E1cb消除得到产物,并释放催化剂三甲胺。

YMDD mutation: HBV YMDD mutation were developed in 12 lamivudine recipients, whereas the treated group had no incidence of HBV YMDD variation, there were significant difference between two groups (p=0.000). YMDD mutation resulted in increase of the mean HBVDNA levels (p=0.000), but no contribution to serum ALT diversification (p>0.05). 2. Precore nt1896 mutation: Precore nt1896 mutation incidence had no difference between lamivudine recipients and objects who received combination therapy of Kidney-invigorating Granule and Marine Injection, and patients of HBeAg negative and HBeAg positive had a close incidence of precore mutation as well as. Precore nt1896 mutation had no influence on serum ALT level. The occurrence of precore nt1896 mutation contributed to serum HBVDNA load increased and worse response of HBVDNA extenuation. 3. HBV genotype: The baseline of serum HBVDNA gradually increase in turn of genotype B, genotype C and genotype B/C. Genotype B seemed to obtain higher rate of serum HBVDNA loss and HBeAg/anti-HBe seroconversion after combination therapy of Kidney-invigorating Granule and Marine Injection, differencing with lamivudine therapy.

疗效相关因素研究:1YMDD变异:对照组有12例检出YMDD变异,治疗组无1例检出,两组比较有显著性差异(P=0.000);发生YMDD变异者血清HBVDNA和ALT水平均有所升高,HBVDNA平均水平高于非变异者(P=0.000);血清ALT与非变异者无明显差异(P>0.05)。2前C区nt1896变异:前C区nt1896变异发生率在治疗组和对照组以及HBeAg阴性和HBeAg阳性患者之间均无明显差异(P>0.05);1896c变异对血清ALT水平无明显影响;治疗组发生1896c变异者,其HBVDNA平均水平较之未变异者明显升高(P<0.05),治疗后HBVDNA下降幅度明显低于未发生1896c变异者(P=0.000)。3HBV基因型:血清HBVDNA基础水平在B、C、B/C混合型间存在明显差异(P<0.05),按B型、C型、B/C混合型依次升高;治疗组HBVDNA阴转率、HBeAg/抗-HBe血清转换率,B型似乎高于C型和B/C混合型,但无统计学意义(P>0.05);对照组HBVDNA阴转、HBeAg/抗-HBe改变在B、C、B/C混合型间无明显差异(P>0.05)。

Resluts:It has a infection of delayed intracranical heamatoma such as contusion and laceration of brain or contusion and laceration of brain is on the offside of haematoma;a great deal of haematoma in the brain;fracture of skull,especially the fracture of sinus or medium artery of span meningeal,it is the high risk factors of DTIH,and it get high risk of delayde intracranical hematoma;abnormity of clotting time;falling sickness;a grave scalp injury etc.

结果:脑挫裂伤或血肿对侧有脑挫裂伤;脑内血肿量大;颅骨骨折,尤其是跨脑膜中动脉或静脉窦的颅骨骨折是导致外伤性迟发性颅内血肿的高危因素,发生迟发性颅内血肿的危险性大。出凝血时间异常、癫痫发作、重症头皮损伤等对迟发性血肿的发生也起着一定的影响。

Furthermore, the influence of Godel's incompleteness theorem has far exceeded the category of mathematics, and fundamentally altered our idea of "truth" and of the world. Hence, without getting to know Godel we can't understand the intelligence level achieved by mankind and the journey of mankind's striving for intelligence progress, neither can we apprehend the profound changes of thought that have taken place or are taking place in this world.

而且哥德尔定理产生的影响已远远超出数学的范围,他从根本上改变了我们对"真理"的认识和对世界的认识,不了解哥德尔就不了解人类已达到的智力水平与人类智力奋斗的历程,也就无法了解我们这个世界在思想观念上已经发生或正在发生的深刻变化。

Firstly, This paper processes geometry filtration based on character of orbit's apogee and perigee after orbit model is analyzed and based. Secondly Space Debris is separated into two kinds, coplanar and not coplanar according as location interrelation of target and debris. In Dynamic filtration's processing, considering prediction time limit and orbit perturbation, secular effects which have increaser effect is considered so that some need catching danger time point is appeased, some law about time when target and debris pass intersectant line each other is inferred, when debris and object are in different plane and some similar law also is inferred otherwise. The time list is arithmetical progression. These laws can improve calculation efficiency remarkably; Lastly orbit predict is a course approaching least distance. Danger time point in the last step become beginning time point from which debris and object's position and velocity are calculated by SXP4 Model which is an analytic model.By result, determine that relative movement trend is closer or apart, farther calculate the interval apart from time when predictive least relative distance occurs. Least relative distance and time when least distance occurs is calculated finally. It is a fast approach course adopting varied interval.

本文在分析、建立轨道摄动计算模型的基础上,首先采用基于轨道远、近地点特征对大量编目在册的空间碎片进行初步几何静态筛选,然后根据碎片与目标轨道面的相对位置特点把碎片分为异面与准共面两种情况以进行动态筛选,在筛选过程中考虑到预报时限长度和轨道摄动影响,引入了轨道摄动中具有积累效应的长期项以满足危险时间点的捕捉要求,利用了长期项摄动变化线性的特点导出了碎片与目标异面情况下各自过交线的时间序列成准等差数列的规律性和准共面情况下类似的规律性,从而显著地提高了前期轨道筛选的计算效率;最后对剩余危险碎片和目标飞行器利用SXP4轨道预报模型在前期轨道筛选的基础上以各个危险探测时间点为预报的时间起点,并根据预报计算结果,分析目标和碎片在该时间点的运动趋势是相互远离还是相互接近,推出预计最小相对距离发生时刻相对此刻的时间长度,得到其随时间变化的局部最小相对距离以及危险距离发生的时刻和相对速度,这是一个采用变时间步长、快速逼近最小相对距离的过程。

The study's primary end point was the incidence of hip fracture. At the end of the trial, hip fractures had occurred in 9 patients in the placebo group vs 3 in the risedronate group.The authors report that there was no difference in the fall rate between the 2 groups, suggesting "risedronate may prevent hip fractures despite frequent falls."

该试验的主要终点为髋骨骨折发生率,在试验结束时,安慰剂组有9位病患发生髋骨骨折,而服用risedronate病患则有3位发生;作者表示,这两组病患之间发生跌倒的风险并无统计上显著差异,暗示risedronate可能预防髋骨骨折,但对於跌倒风险没有影响。

Skatole is harmful to human animals as well as environment. When human and animals take food which contains skatole or can be converted into skatole, skatole will inevitably interact with digestive enzymes. Skatole absorbed through skin may also interact with digestive enzymes in human and animals. So we studied the effect of skatole on three important digestive enzymes.

粪臭素对人、动物及环境均有一定的危害作用,含有粪臭素或可以转变为粪臭素的外源性食物进入体内后,粪臭素将不可避免地与动物和人体内的消化酶发生作用,人和动物通过皮肤吸收的来自外界环境中的粪臭素也有可能与体内的消化酶发生作用,因此我们研究了粪臭素对几种重要消化酶部分性质的影响。

In Xinxiang Aera of Henan Province in 1997, the occurrence of cotton pests were investigated in the Bt cotton and common cotton fields The result showed that the numbers of cotton bollworm egg were similarly in both fields, but that of survival larvae on Bt cotton were lower than that on common cotton The occurrence of cotton aphis was no difference but the spider mite were more heavy in Bt cotton field At the same time,control strategy against cotton pests were discussed for the Bt cotton

对河南新乡棉区种植的转Bt基因棉和常规棉棉田虫情进行了定点系统调查和大田普查,结果表明:棉铃虫在两种棉田棉花上的落卵量无明显差别,而幼虫存量差异显著,Bt棉棉花上幼虫存量显著降低;Bt棉对棉蚜的发生无明显的影响,而Bt棉上棉红蜘蛛的发生比常规棉略重,同时初步研究制定出种植Bt棉后的棉虫综防对策

We Investigated the species of diseases and insect pests, species of natural enemies, distribution and dominant species in export vegetable bases in Shandong Province. Dynamics of main diseases and insect pests were studied.2. We investigated the main control technologies for diseases and insect pests, types and application methods of pesticides.3. Effects of crop varieties, fertilities and cultivation on diseases and insect pests, production and pesticide residues were examined.4. Control effects and application technologies of frequency trembler grid lamps, greenhouse ozone machine and insect-proof net were tested.5. By research, seven biological preparations and twelve chemical pesticides with high activity, low toxicity and low residue were screened.

主要结果如下:1查清了山东省出口蔬菜基地蔬菜病虫害发生种类,天敌种类、分布、并评价上风种;探明了主要病虫发生消长规律。2查清了山东省出口蔬菜基地目前病虫害防治的主要应用技术、施药种类及主要施药方式。3明确了作物品种、肥力、栽培方式等农业措施对病虫发生、产量和农残的影响。4明确了频振式杀虫灯、温室病害臭氧防治机、防虫网等物理措施防治效果及其应用技术。5通过实验,筛选出7种生物制剂和12种安全有效低毒低残留化学农药品种。

On the basis of analysing the indetermination factors affecting the evacuation start time,studying the main parameters on human evacuation motive ability,and considering the queuing characteristic and multi state phenomenon involved in evacuation performance,mathematical model on the human evacuation behavior in fire was set up.Based on net work theory and relational data base technology. The computer simulation on the optimum of human evacuation routes was realized on Mapinfo platform. This simulation ca...

基于对火灾时影响人员疏散行动的开始时间的不确定因子的分析,以及对火灾时人员疏散行动能力的主要影响因素的研究,在综合考虑建筑物空间疏散性状的排队现象和多态现象的前提下,建立火灾时人员疏散行为的数学模型·利用网论和关系数据库技术,在Mapinfo平台上,实现人员应急疏散路线的全局最优化,实现对疏散出口群集疏散流动规律的预测和评价·其研究成果,可以为建筑物性能化防火设计和应急疏散计划的制定提供科学的参考依据,防止群集事故的发生,减少群集事故的损失

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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特,那个是爱朗。

Articulate the aims, objectives and key aspects of a strategic business plan.

明确的宗旨,目标和重点战略业务计划。