主要产物

Primary by-products range from benzoquinone to maleic acid and oxalic acid.

中间产物主要为苯醌、马来酸、草酸等，

The potassium permanganate is one kind of important manganese compound,its preparation is mainly melts the oxo-process with the solid phase alkali at present,take the potassium manganate as the intermediary to make.

是化学方面的，写论文用。急用！问题补充：下面这段：高锰酸钾是一种重要的锰的化合物，它的制备目前主要是用固相碱熔氧化法，以锰酸钾为中间产物来制备。

Ultrastructural observations showed that, 10 minutes after ischemia, amorphous matrix dense bodies appeared in most of the mitochondria and the nuclei exhibited margination of chromatin.

上述结果提示，在心肌缺血早期，缺氧是造成不应期缩短的主要原因，而代谢产物和K~的蓄积则可能是引起传导阻抑的重要因素，并有加强缺氧所致心肌损伤的作用。

The disease occurs in children and adolescents, mainly due to intestinal parasites in the body, such as roundworm, can secrete a variety of toxins, toxins and parasites metabolites stimulate sleeping corresponding parts of the brain, leading to sustained Masticator molars appear contraction.

这种疾病好发于儿童及青少年，主要是由于体内有肠道寄生虫，像蛔虫，能分泌多种毒素，毒素及虫体的代谢产物会刺激熟睡中大脑的相应部位，导致咀嚼肌持续收缩而出现磨牙。

In the gas-liquid phase reaction of catalytic oxidation of mesitylene by air to synthesize trimesic acid and the related process,an analysis method of reaction components was proposed,which includes chromatographic analysis,mass spectral analysis,IR spectrum,atomic absorption spectrophotometer and chemical titration for the purpose of analyzing reaction groups.

针对均三甲苯气液相催化空气氧化合成均苯三甲酸的反应及相关的工艺过程中，反应产物均苯三甲酸的分析问题，提出以色谱分析、质谱分析、红外光谱分析、原子吸收光谱分析及化学滴定为主要分析手段对反应组分进行分析，重点研究并建立了相关的分析方法。

A HPLC method was developed for determination of enrofloxacin and its main active meta- ciprofloxacin levels in excrements of chicken and swine.

恩诺沙星的抗菌谱广，主要活性代谢产物为环丙沙星，在我国常用于畜禽细菌性疾病和霉形体感染的治疗。

"The difference in outcome among patients who were treated by surgeons with varying degrees of experience is clinically relevant and likely reflects a true relationship between surgical technique and cancer control," said the study's lead author Andrew Vickers, PhD, Associate Attending Research Methodologist, Memorial Sloan-Kettering Cancer Center.

"差别在结果中的病人治疗外科医师不同程度的经验是有关的临床及可能反映了真实的关系，外科技术及癌症防治，"说，这项研究的主要作者郑的vickers ，博士，副出席产物研究，纪念斯隆-凯特林癌症中心癌症中心。

High protein feedstuff was produced by the fermentation of waste spent grains (microzyme used as producing bacteria) and the effects of various production conditions on crude protein content of fermenting product were investigated.

以大曲酒丢糟为主要原料，以酵母菌为生产菌进行丢糟发酵，考察各种培养条件对发酵产物粗蛋白含量的影响，并采用正交实验，得到饲料最佳发酵生产工艺条件。

The results show that the kamafugite is mainly a volcanic product of Miocene age.

研究表明西秦岭新生代钾霞橄黄长岩主要是中新世火山作用的产物。

No transition state was found from mono-σ bonding state to 1,4-binding state by our theoretical calculation, so the adsorption mechanism of benzene on Si(111)-7 * 7 surface was proposed.

计算结果表明苯在Si(111)- 7 * 7表面的主要吸附种是双σ成键的1，4加成产物，不稳定的单吸附物种可能是 1，4加成物种的前驱态。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。