Using p-xylene, different acyl chloride and alkylogen, six kinds of isomers were synthesized, with similar structure, carbons of same quantity, and the position of alkylaryl dissimilarity.

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Rep-PCR method was used to conduct cluster analysis to the 39 bacterial isolates. rep-PCR analysis revealed that the 39 bacterial isolates could be divided into 12 clusters at the 0.9 dissimilarity percentage level. The 39 bacterial isolates had their own specific band patterns, showing obvious genomic heterogenicity and rich genotypic polymorphism genetic diversity between each isolate.

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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.

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In US,After a high school graduate or the university student graduates looks for the work,Only considered works whether appropriately,Whether the income does satisfy,Did not consider the unit is state-owned privateTherefore we advise the young friends to change the idea,Looks for work which most likes,Then looks for an investment or the insurance project again starts to save money,The dissimilarity which looks like we is young when does,Don't worry the old age life,Once did not have the social insurance payments,We can rejoice extremely the money which we also has oneself lefts overYoung friend,Starts an inch belt money,By prepares needs in old age

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This paper compared two kinds of rose families sorbus of different effective spots of total flavonids content. We get a better process of total flavonoids abstraction from the branch of Sorbus tianschanica,.Under the best process of total flavnoids ,two flavnoids were isolated from them. Preliminary affirmed two kinds of compounds belong to flavanone, two kinds of structure just substituent had a dissimilarity separately. This thesis was a part of a national natural science fund to subsidize.

除此，本論文還對(duì)新疆天山花楸的枝干總黃酮的提取工藝進(jìn)行了研究欧美A人精品综合在线，得到了最佳提取工藝亚洲欧美人成网站综合在线，在最佳提取工藝的條件下對(duì)新疆天山花楸的枝干進(jìn)行了系統(tǒng)的提取和硅膠柱層析，得到兩種化合物成人播放日韩在线观看，初步認(rèn)定兩種化合物屬于二氫黃酮類国产一级婬片A片免费无码百度，兩種化合物的結(jié)構(gòu)相似，只是個(gè)別取代基有所不同天天色色天天，本論文是國(guó)家自然科學(xué)基金資助項(xiàng)目婷婷精品图区。

Aiming at the dissimilarity of space between crossties in paving tramroad of the moving bridge-erecting machine, some load experiments were did and a reasonable construction project was advanced combining to the finite element computing result.

還針對(duì)架橋機(jī)走行軌道鋪設(shè)方式——枕木間距的不同，進(jìn)行了荷載實(shí)驗(yàn)并結(jié)合有限元計(jì)算結(jié)果找出合理的施工方案在线视频青青。

The company was established in 1998, devote a great deal of manpower and material resources to the development of all kinds of appropriation paints, the Tian Tang Yang Guang series of varnishing has already been applied extensively in the construction of railroad, highway, bridge, harbor, wharf, vehicle, ship, machine and steel structure antisepsis layer for dissimilarity environment.

公司創(chuàng)建于1998年日韩在线丝袜福利网站，在開(kāi)發(fā)研制各類專用油漆系列產(chǎn)品中投入大量人力物力，開(kāi)發(fā)的天堂陽(yáng)光牌系列油漆已廣泛應(yīng)用于鐵路深夜人妻无码碰碰碰碰、公路性爱视频喷水、橋梁、海港国产v日产v欧美v韩国视频、碼頭嗯啊～嗯啊使劲视频在线观看、車輛、航船大波美女视频一级A片、機(jī)械及不同環(huán)境的鋼結(jié)構(gòu)防腐涂層九九久久精品无码专区。

Although the development of our business enterprise group is different from the point of departure dissimilarity, mature degree of the Japanese business enterprise group, certainly also exist likeness, have stronger can compare sex.

我們企業(yè)集團(tuán)的發(fā)展雖然與日本企業(yè)集團(tuán)的起點(diǎn)不同、成熟程度不同在线一区二区，但也存在一定的相似性在线国产精品，具有較強(qiáng)的可比性。

The usage rule of the cultural dissimilarity language would be different, the standard norm of a kind of culture is only and can press its particular condition to take in to explain in the oneself, but can't take this as the norm to describe another culture, otherwise by all means will cause failure of across the cultural social intercourse, its deep reason lies in the sensitivity that the people lack to the social language difference, will carry on the language to use the migration unconsciously, but this kind of result sometimes would very serious, even will invite the huge economy loss.

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