多酸的

When it was apparent that urine pH, and not ash or magnesium was the problem, they began to add Ammonium Chloride to their cat foods to acidify the diet.

当越来越多的事实表明，这个问题的关键并非是灰分或镁，而是尿酸碱值，宠物食品制造商开始往生产的猫食中添加氯化铵以酸化食物。

Progress in the taxonomy of the actinomycetes and acidophilic actinomycetes was introduced in this paper. The diversity of acidophilic rare Actinomycetes from acidic soil was studied and a polyphasic study was undertaken to establish the taxonomic position of three soil isolates.

本文介绍了放线菌和嗜酸放线菌的分类学研究进展，研究了我国酸性土壤中稀有放线菌的生物多样性，并采用以分子分类、系统发育学分析、化学分类、形态特征和生理生化特性相结合的多相分类方法对3株土壤新分离菌株进行了分类学研究。

The polyphenols of the beer fermented under the optimum processing was 101.78 mg/ L, which was close to the international standard 100 mg/L. The chroma, the total nitrogen, the total acid, pH, alcoholicity, diacetyl and CO2 of the product beer were close to that of Zhujiang beer

该优化工艺发酵的啤酒多酚值为101.78mg/L；总氮、色度、PH、总酸、酒精度、双乙酰、CO2与所测的珠江啤酒的指标接近。

And many multifunctional enzymes involved in this pathway are rare in other autotrophic pathways.

途径中的关键代谢中间产物为3-羟基丙酸，并且涉及到多种在其它的自养CO2固定途径中并不常见的多功能酶。

Twenty varieties or materials of tomato with different resistance were used for experiment. Through testing the reaction condition and pH of extract of POD and PPO, identifying the genetic relationship of twenty varieties by POD isozyme and testing the biochemical indexes of resistance to ToMV, the main results were showed as follows:1. Classification of resistance: According to the campestral resistance to ToMV and the analysis experimental data ,the resistance of twenty varieties were divided into three kinds:z(1)resistant variety, including Zhong-za No9. Zao Hong-bao.

本试验以20个番茄品种或材料为试材，研究了过氧化物酶、多酚氧化酶酶液提取及反应适宜条件；应用POD同工酶对20个番茄材料进行亲缘关系的鉴定；对20份材料苗期室内接种ToMV后进行抗病性鉴定以及接种两周后所有材料POD、PPO、苯丙氨酸解氨酶的活性变化的研究，得出以下结论： 1。

The activity of pyruvate carboxylase depends on the presence of acetyl CoA so that more oxaloacetate os made when acetyl CoA levels rise.

丙酮酸羧化酶的活性依赖于乙酰-CoA 的存在。因此，当乙酰-CoA，水平上升时，会产生更多的草酰乙酸。

The research results indicated that the best base was KOH, the best acid was H3PO4 and their neutralizing products were the necessary nutrients for foliar fertilizer; 12.4 L of foliar fertilizer were obtained in per kg of shrimp offal, chitin was obtained in 13.8% yield, crude protein was obtained in 23.2% yield using this method; This multifuctional foliar fertilizer was an abundant nutritional multifunctional foliar fertilizer which contained 15 kinds of amino acids, shimp cephalin, astacein and many trace elements. The concentration of calcium was 38.9 mg/L, the concentration of magnesium was 55.4 mg/L, the concentration of potassium was 20.0 g/L, the concentration of nitrogen was 4.5 g/L and the concentration of phosphorus was

研究结果表明：(1)处理虾下脚料的最佳碱是KOH，最佳酸是H3PO4，其中和产物是叶面肥必需的营养素；(2)本工艺不仅每Kg虾下脚料可制备虾叶面肥12.4L，而且可回收13.8％甲壳素和23.2％粗蛋白质；(3)经分析测定虾叶面肥中，含钙(Ca2+)38.9 mg/L，含镁(Mg2+)55.4 mg/L，含钾20.0 g/L，含氮4.5 g/L，含磷 78.9 g/L，还含有15种氨基酸及虾脑磷脂、虾红素及多种微量元素等，是一种营养丰富的多功能叶面肥。

Studies have shown that soybean germination, carotene increased 1 ~ 2 times, vitamin B2 increase by 2 to 4 times, vitamin B12 is 10 times that of soybean, soybean vitamin E is 2 times Nikesuan increased by 2 times.

研究证明，黄豆发芽后，胡萝卜素可增加1～2倍，维生素B2增加2～4倍，维生素B12是大豆的10倍，维生素E是大豆的2倍，尼克酸增加2倍多。

Objective To investigate the inhibitory effects of tea polyphenols and Vitamin C on FeSO4-cysteine induced lipid peroxidation in isolated human plasma and carbon tetrachloride(CCl4) induced liver free radical injury in mice.

目的 观察不同剂量的茶多酚、维生素C对FeSO4-半胱氨酸诱发离体人血浆脂质过氧化及CCl4诱发肝自由基损伤的抑制作用。

Alginate is a natural polysaccharide found in brown algae. Alginate is widely used in the pharmaceutical and food, and has been employed as a matrix for the entrapment of drug.

摘要 藻酸钠是由褐藻所抽出的天然多醣聚合物，广泛的应用在制药、食品工业及当作药物包覆基质。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。