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Its main features are: algae body as a single cell or even into a variety of groups; cell walls composed of silica and pectin, but also by the structure of the shell and the shell under the combined set of the Cheng, vertical section view was "soap-box"-shaped; in the upper and lower shell surface of the shell are patterns arranged in patterns on both sides of the main mode of symmetry and radial symmetry is divided into two categories, for the classification of the most important basis; be able to campaign Type in the shell has a shell side seam, can not be changed no shell seam types; pigment body sheet or ribbon, 1 or 2, or for multiple small discoid, yellow green or brown, containing chlorophyll a, c, also contains fucoxanthin and silicon A flavin and other photosynthetic pigments; storage material mainly for oil droplets; reproduction mainly for cell division and cell division in diatoms obvious features are: each cell division, resulting from two sub-cells,, only one and the mother cell and so big, the other one is smaller.

其主要特征是:藻体为单细胞或连成各式群体;细胞壁由硅质和果胶质组成,而且在结构上都是由上壳和下壳套合而成,纵断面观呈"肥皂盒"形;在上下壳的壳面上有花纹,花纹排列的方式主要分为两侧对称和辐射对称两大类,为分类上的最重要依据;能运动的种类在壳面都有壳缝,不能动的种类均无壳缝;色素体片状或带状,1个或2个,或为多个小盘状,黄绿色或黄褐色,含叶绿素a、c,还含有墨角藻黄素和硅甲黄素等光合色素;贮藏物质主要为油滴;繁殖方式主要为细胞分裂,硅藻的细胞分裂的明显特点是:每次细胞分裂所产生的2个子细胞中,仅有1个和母细胞等大,另1个则稍小。

Gascon, a Romance dialect of southwestern France, is usually classified as a dialect of Occitan, although it is sometimes considered a distinct language because it differs a great deal from the other, more or less uniform, Occitan dialects.

Buthus occitanus体长约5~8cm,在不同区域有不同的体色呈现,有些区域型体色很浅,有些却很深;一般多在黄色,棕色之间,头甲在中眼前缘有类似以色列金蝎一般疣粒形成的条纹。

The above results suggests that the hydrolase and FMO in microsomes are involved in the formation of M1 and M2 respectively.

黄素单氧化酶的特异性抑制剂甲巯咪唑可以显著地抑制M2的形成,但对M1的形成无明显的抑制作用,且M1在肝微粒体中的形成为NADPH非依赖性,上述结果提示参与M1和M2代谢的酶分别为肝微粒体中的水解酶和黄素单氧化酶。

Four new salicylaldehyde derivatives with a glucose or mannose moiety were synthesized with 2-tert-butylphenol or 4-tert-butylphenol as the starting material, followed by the formylation, chloromethylation, nucleophilic substitution reaction with the desired carbohydrate. The salicylaldehyde derivatives condensed with ethylenediamine to give the Schiff bases, which coordinated with Mn to afford four novel sugar-based Salen Mn complexes.

首先,分别以2-叔丁基苯酚和4-叔丁基苯酚为起始原料,经过甲酰化反应、氯甲基化反应、和糖类衍生物的亲核取代反应制得了四种新型并入葡萄糖基或甘露糖基的水杨醛衍生物,将它们与乙二胺缩合生成希夫碱配体,得到的配体与过渡金属Mn~(3+)配位制备出四种新型含糖基的Salen Mn配合物。

For the production of reactive polyurethane cross-linkinger and curing agents,2,4-diisocyanate toluene terpolymer,which possesses the rigid structures of hexatomic ring and three reactive functional groups,was synthesized and characterized by the Fourier transform infrared,the gel permeation chromatography and the chemical analysis methods.

结果表明采用Cat-3作催化剂,在(60±2)℃下反应,可制得分子量为530~550,Mw/Mn=1.10,NCO质量分数为(25.0±0.5)%窄分子量分布的TDI三聚体;随着反应时间延长,TDI会进一步多元聚合生成多聚结构;而加入质量分数为0.4%的苯甲酰氯作为稳定剂,可有效抑制多元聚合的发生,所制备的TDI三聚体稳定性可在半年以上

Hours later,these mice were decapitated,and the striatums were isolated from thebrains. The levels of dopamine, serotonin ( 5-HT ), homovanillic acid, 5-hydroxyindoleacetic acid ( 5-HIAA ) andnorepinephrinein the striatum were measured by high-performance liquid chromatography with electrochemical detection.

给3组小鼠分别喂食Dieldrin 50 mg·kg-1体重、Dieldrin 40 mg·kg-1体重和等量的生理盐水,3 h后处死小鼠,取纹状体匀浆用高效液相色谱-电化学检测法测定纹状体中多巴胺、5-羟色胺(5-HT)、高香草酸、5-羟基吲哚乙酸(5-HIAA)和去甲肾上腺素的含量。

The new oxalamide bridging ligands N, N'-bis (4-hydroxy-3-methoxy-benzyl) oxalamide (H4LB) was designed and synthesized.

设计合成一种新型对称的草酰胺桥联配体:N,N'-二(4-羟基-3-甲氧基苯甲基)草酰胺配体(H4LB)。

A series of lanthanide complexes (Ln = Er, Nd, Yb) with infrared emission properties were designed and synthesized by using different anionic ligands [1 -phenyl-3-methyl-4-(4-tertbutylbenzoyl)-5-pyrazolone and l-phenyl-3-methyl-4--5-pyrazolone and 2-naphtoyl trifluoroacetone] and netural ligands (2,2-dipyridine, phenanthroline, triphenylphosphine oxide and water). Three crystal structures of these complexes were obtained and structure studied, and the properties of photoluminescence and fluorescent lifetime were studied in detail.

我们通过选用不同的第一配体[1-苯基-3-甲基-4-(4-异丁酰基)-5-吡唑酮,1-苯基-3-甲基-4-(4-叔丁基苯甲酰基)-5-吡唑酮和2-萘基三氟乙酰丙酮]和第二配体(2,2-联吡啶,邻菲啰啉,三苯基氧膦)合成了16个稀土红外配合物(Ln=Er,Nd,Yb),获得了其中三个配合物的单晶结构,研究了这些稀土红外配合物的光致发光和荧光寿命等性质。

When David returned home to bless his household, Michal daughter of Saul came out to meet him and said,"How the king of Israel has distinguished himself today, disrobing in the sight of the slave girls of his servants as any vulgar fellow would!"

大卫回家要给眷属祝福;扫罗的女儿米甲出来迎接他,说:&以色列王今日在臣仆的婢女眼前露体,如同一个轻贱人无耻露体一样,有好大的荣耀啊!&

When David returned home to bless his household, Michal daughter of Saul came out to meet him and said,"How the king of Israel has distinguished himself today, disrobing in the sight of the slave girls of his servants as any vulgar fellow would!"

大卫回家要给眷属祝福。扫罗的女儿米甲出来迎接他,说,以色列王今日在臣仆的婢女眼前露体,如同一个轻贱人无耻露体一样,有好大的荣耀阿。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。