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Each of these bundles is called a nucleosome, and many nucleosomes are bound together by the continuing strand of DNA, which forms a string of beads that further coils to form one of two kinds of chromatin, either euchromatin or heterochromatin.

所有细胞核的最显著的特点就是染色体,由DNA和组蛋白所组成的染色质构成,DNA绕行在由4个相似的组蛋白分子结合而形成的柱状的芯上,这一结构称为核小体,核小体之间由连续的DNA链连接,形成串珠样结构,进一步盘曲形成常染色质或异染色质。

The strains on the medial and lateral surface of the femur were reduced after implantation of both types of implants.

结果:股骨应变在假体植入后,从近端到远端逐渐增加,变化形式与完整股骨的应变形式相似,并且在假体远端最大。

And also, three new kinds of model materials with the property of normability, continuous elastic modulus and compressive strength were made for different types of rock mass, in which, sand and barite as main materials, gasoline as diluents, epoxy resin, silicone rubber and rosin as binders, of course, there exist other auxiliary materials.

根据共和隧道岩体的力学参数,以砂和重晶石为骨料,汽油为稀释剂,分别以环氧树脂、硅橡胶、松香为粘结剂,再添加其他的辅助材料研制了3种不同力学性质的相似材料,均具有可模性、连续弹性模量和抗压强度,可满足模拟3种不同力学性质岩体的要求。

Wecompare the results among the polyploid Penna model, diploid Penna model and haploidyPenna model, to fred what are same among them.

将建立的多倍体模型与单倍体、二倍体模型进行定性的比较,发现它们在本质上的相似点。

The results showed that orexin-like immunoreactiveneurons were observed in the medial preoptic nucleus,periventricular nucleus,paraventricular nucleus,supraoptic nucleus,dorsomedial nucleus,perifornical nucleus,mammillary nucleus,anterior area,lateral area and posterior area of the hypothalamus,with majority in the lateral area,supraoptic nucleus and mammillary nucleus and with minority in t...

结果表明,在猪下丘脑内,开胃素A免疫阳性神经元分布于下丘脑的视前内侧区、室周核、室旁核、视上核、背内侧核、穹隆周核、乳头体核、前区、外侧区和后区等部位,以下丘脑外侧区、乳头体核和视上核出现的免疫阳性神经元最多,以室周核的最少。这一结果与在其他动物上获得的基本相似。

During strawberry ( Fragaria ananassa Duch cv.chunxing) fruits maturation,the content of total sugar,anthocyanin and respiration rate increased significantly,and Ca 2+ _ATPase activity of cytoplasm and microsome membrane increased firstly,then peaked at pink stage,and decreased at full red stage in fruits,and also,the activity of plasma membrane Ca 2+ _ATPase was the highest in microsome membranes.

'春星'草莓果实成熟时,总糖和花青苷含量增加,呼吸速率也显著升高;同时,细胞溶质Ca2 + _ATPase活性和微粒体膜的Ca2 + _ATPase总活性变化具有相似的特点,即先升高,至粉红期达到高峰,全红期又下降,在微粒体膜中以质膜Ca2 + _ATPase占的比例最高。

This observation supports intermolecular aggregation of long chain indoles in poor solvents, The microscopic polarity in aggregates is similar to that in cyclohexane. The distribution of indoles between bulk solution and aggregates was determined by time resolved fluorescence technique.

表明长链吲哚衍生物在混合溶剂中发生簇集,簇集体中微环境的极性和环己烷相似,利用时间分辨荧光光谱计算出长链吲哚衍生物在溶液本体相和簇集体中的分布。

By means of molecular designing, a series of sodium branched-alkyl benzene sulfonates weresynthesized through seven process, involving Frieded-Crafts reaction, Grignard reaction, sulfonationand neutralization. Those isomers have similar structure, carbons of same quantity, but the position ofalkylaryl dissimilarity. Liner fat acid, metaxylene and halogenated hydrocarbon of different carbonnumber were used as the starting materials. Optimum processing condition was confirmed consideringinfluence of a series of reaction factors such as feed proportioning, quantity of catalysts, quantitysolvent, reaction time, temperature and pressure. Eight kinds of isomers of sodium hexadecylxylolsulfonates were finally synthesized, and characterized by FT-IR.

本文通过分子设计,以不同碳数直链脂肪酸、间二甲苯以及不同碳数的卤代烷为原料,经酰基化、格氏反应、加氢还原、磺化及中和等反应,合成了结构相似、烷烃链碳数一定、芳基在烷烃链不同位置的烷基芳基磺酸盐同分异构体;并考察了原料配比、催化剂用量、反应时间、反应温度、溶剂用量、反应压力等一系列因素对各反应的影响,进而确定最佳工艺条件,最终合成出十六烷基二甲苯磺酸钠的八种同分异构体,利用 FT-IR 对产物结构进行了分析。

The polysaccharose of mycelium of Grifola umbellate (PPS1) and the polysaccha rose of sclerotium of Grifola umbellate (PPS2) both were extracted by hot water leaching way, which were purified dispoing by Sevage way, determined the polysac charose content by 3,5-dinitro-salicylate way, and comparablly analysed infrared spectrum by Fourier transforming infrared spectrophotometer,which suggest that two kinds of polysaccharose were the similar infrared spectrum.

本试验通过人工液体浅层培养方式成功培养出猪苓菌丝体;经热水浸提法分别提取猪苓菌丝体多糖(PPS1)和猪苓菌核多糖(PPS2);用Sevage法进行纯化处理;用3,5-二硝基水杨酸法测定其糖含量;用傅里叶变换红外分光光度计对两种多糖进行红外光谱比对分析,结果表明两者红外光谱相似。

Immunoprecipitation reaction of three hemocyanin types was tested with antiserum against female specific protein and hemocyanin. It shows that the FSP and hexamer have the higher cross reaction thus they may have similar molecular structure.

利用抗FSP血清对三种型式血蓝素做扩散免疫沈淀试验,显示FSP与六隅体血蓝素有部份相似可被抗体辨识的部位,推测FSP与六隅体血蓝素的分子结构比较相近。

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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。