至

The relationship between molecular modification of erythromycin and NMR chemical shifts was summarized. It's noticeable that downfield of shifts of H-3 (△δ 0.2) after silylation and upfield of shifts (△δ-0.4) after methylation. No changes were observed after methylation.

分析总结了红霉素分子修饰与核磁共振化学位移变化之间的关系，并且发现大环上H-3硅烷化后由高场移至低场（△δ为0.2），甲基化后又由低场移至高场（△δ为-0.4），变化均较大；而且一旦甲基化后H-3化学位移在高场几乎不再变化。

Despite the increase in soybean oil usage, total use of fats and oils in biodiesel production declined from a downwardly revised 135,000 tonnes in May to 121,000 tonnes in June as animal fat usage fell from an estimated 68,900 tonnes in May to 48,100 tonnes in June.

尽管豆油用量增加，但是生物柴油生产中的油脂总使用量却从五月份下调的13.5万吨随着动物脂肪用量从五月估计的6.89万吨降至六月的4.81万吨而进一步下降至六月份的12.1万吨。

Usually, driving harnesses come in miniature horse, 12 hands to 13 hands, 14 hands to 15 hands, over 15 hands and draft horse sizes.

通常，驾驶吊带来，在微型马， 12手至13手， 14手至15手， 15岁以上的双手和草案马大小。

When visitors walk to the smooth center of the maze, will find a happy tree, the tree may ring a bell hanging, tree fragrance exudes gush springs, promised wishes, into a "drift bottle" will be all the way flows through the beautiful Temple of Taman Impian Jaya Ancol to flowers,"Flora," the blessing of your dreams come true,"lovers get married."

当游客顺利走至迷宫的中心点，将发现一颗幸福树，树上挂有可敲响的钟，树下涌出散发着香味的泉水，许下愿望，放入的"漂流瓶"将一路流经美丽的寻梦园至花神殿，"花神"庇佑你美梦成真，"有情人终成眷属"。

There were many kinds of salinities industfall, and it was an approach of the salinity accumulation of soil.7.The content of organic compound in the dustfall in Tarim Basin were reduced from north to south,east to west. Dustfall was an approach that calcium carbonate and calcium sulphate to be increased, butthe content of calcium carbonate and calcium sulphate were different in each heights and sites.

降尘中含有多种盐分，是土壤积盐的一个途径。7 塔里木盆地降尘中的有机质含量由北至南、由东至西逐渐减小，降尘是碳酸钙、硫酸钙增加的一个途径，不同观测点及不同高度的降尘中的碳酸钙、硫酸钙的含量是不同的。

This will almost double the amount of greenhouse gases produced by livestock, dwarfing attempts to cut emissions elsewhere.

分别来看的话，直到2050年，肉类的需求量从229公吨升至465公吨，而奶制品则从580公吨升至1043公吨。

Results: Compared with placebo, 2 weeks on Combizym decreased significantly the total score of dyspeptic symptoms 27.64±1.77 to 9.72±1.33 vs.

结果：经米曲菌胰酶片治疗2周，患者消化不良症状总积分下降幅度与安慰剂相比差异有统计学意义（从27.64±1.77降至9.72±1.33对从23.99±1.28降至22.03±1.40，P.01）。

Tata and protein powder into the stainless steel basin, with eggbeater whipping to a bubble-like protein was rough and white colors, white sugar into the next and continue whipping until soft peaks form protein was (that is, the cream of the protein does not stand Feng Jian Sag) and rigid foam.

蛋白和塔塔粉纳入不锈钢盆里，用打蛋器搅打至蛋白呈粗泡沫状且颜色发白时，下入白糖，继续搅打至蛋白呈软峰状（即蛋白膏的峰尖挺立不下垂）并硬性发泡。3。

A typical representative of such a polymetal layer printing master blank contains a steel plate whereon a copper layer (7 to 10 μ thick) and a chromium layer (2 to 3 μ thick) with mat aspect are electrolytically deposited, which chromium layer in its turn is coated with the photosensitive coating suited for preparing the resist.

1991年参加过多金属层印刷主空白的典型代表，包含了钢板地上一铜层（7至10μ厚）和铬层（2至3μ厚垫方面）的电解沉积，反过来的铬层涂有准备的抵制适合光敏涂料。

The heat source in mid-Africa presents weaken mutation in 70 's, but that in the Philippines in the tropical western Pacific and the southwest of Caribbean present enhancive mutation.

5冬季南美洲北部热源具有明显的年代际变化，70年代中期存在增强突变，南非和海洋大陆至印度洋一带热源存在增强变化趋势，而澳大利亚西北至南太平洋一带热源存在减弱变化趋势。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。