The best method of reducing attack on the cellulose and still obtain a bleachable pulp is to use strong acid and low cooking temperature.
生产纤维损失小、漂白性能好的浆料的最佳方法是使用强酸和低蒸煮温度。
Beta acid a component of lupulin.
贝塔酸，蛇麻素的成份之一。
Peudolaric acid a (PAA); S180 cells; Apoptosis of tumor cells.
土槿甲酸；肉瘤180细胞；瘤细胞凋亡。
Objective:To analyse aristolochic acid A in Asarum petelotii O.
目的：对红金耳环中马兜铃酸A进行定量分析。
METHODS:HPLC method was used to determine aristolochic acid A content content in different parts of Herba Asari.
方法：用高效液相测定细辛不同部位马兜铃酸A的含量。
OBJECT To search method of synthesising Hexamethyl ether of salvianolic acid A benzyl ester as danshensu derivative.
目的：探讨六甲基丹酚酸A苄酯的合成方法。
Objection To study the intestinal absorptive features of salvianolic acid taking salvianic acid A sodium and protocatechuic aldehyde as the indexes.
目的以丹参素钠和原儿茶醛为指标，研究丹参酚酸肠吸收特性。
The acid test of a good driver is whether he or she remains calm in an emergency.
在紧急情况下能否保持冷静是对一个好司机的严峻考验。
Sulphur dioxide is a pollutant and a major contributor to acid rain.
二氧化硫是一种污染物，并且是形成酸雨的主要因素。
Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.
二氧化硫是酸雨的主要成因之一，它是一种特别严重的污染物，因为它会降低呼吸系统处理其他污染物的能力。
Acid rock could never be played by acoustic guitars and a symphony orchestra, could it?
迷幻摇滚乐从来就不能由原声吉他和一个交响乐团来演奏，不是吗？
Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid, but carbonic acid that helps dissolve the rock.
另外，在地表水中存在一种弱酸，它是碳酸，而不是硫酸，而且是能帮助溶解岩石的碳酸。
The mice produce a special thing named glutamic acid in their bodies.
老鼠体内会产生一种叫做谷氨酸的特殊物质。
He assigned (指定) a unique note to each amino acid (氨基酸) is the protein.
他为蛋白质中的每一个氨基酸分配了一个独特的注释。
With a little help from this carbonic acid, moving water forms most of the world's limestone caves.
在这种碳酸的帮助下，流动的水创造了世界上大部分的石灰岩洞穴。
Until very recently, Presorbin and Veltrex, two medications used to block excess stomach acid, were both available only with a prescription written by a doctor.
直到最近，Presorbin和Veltrex 这两种用于阻止胃酸分泌过多的药物，都只有医生开处方才能买到。
The effect occurs because of a molecule called staphylococcal lipoteichoic acid that acts on keratinocytes.
由于葡萄球菌脂磷壁酸分子作用在角化细胞上产生了这个结果
Vanillylmandelic acid is a chemical intermediate
香草扁桃酸是一种化学中间体。
Long-chain acyl-coenzyme A synthetases activate free fatty acid to acyl-CoA thioesters.
长链酰基辅酶A合成酶把游离脂肪酸活化成为酰基辅酶A。
The objective is to establish a method to determine the content of protocatechuic acid in Scutellaria barbara.
目的是要建立测定黄芩中原儿茶酸含量的方法。
Ferulic acid (FA) and p-coumaric acids are phenolic antioxidants present in a variety of plants.
阿魏酸（FA）和对香豆酸是存在于多种植物中的酚类抗氧化剂。
As formed under acidic conditions, hydroiodic acid (HI) is a stronger reducing agent.
由于在酸性条件下形成，氢碘酸（HI）是一种更强的还原剂。
The invention discloses a preparation method of 6-aminocaproic acid which is a hemostatic.
本发明公开了一种止血剂6-氨基己酸的制备方法。
Recent chemical analysis has identified the blue fluorescent material they contain as a glycosylated form of anthranilic acid.
最近的化学分析已确定它们所包含的蓝色荧光物质是邻氨基苯甲酸的糖基化形式。
Running up to an acid semitonal acciaccatura in both hands, the piano goes over into a sprint of octave-chords and single notes.
钢琴的两只手以半音阶短倚音向上，转变成八度和弦和单音符。
Mr Moore has found that bathing the genetic material with a substance called okadaic acid (a toxin that occurs in mussels) enables Ph1 to be switched on and off.
摩尔先生发现，把遗传物质浸泡在一种叫做冈田酸（一种毒素，贻贝中发现的）的物质中，Ph1染色体可以旋开旋闭。
Pregnant women or women who may become pregnant should be certain to get enough folate, or folic acid, a B-complex vitamin — 600 units a day, rather than 400.
怀孕女性和即将怀孕的女性应吸收足够的叶酸，或维生素B——每天600个单位，而不是400个单位。
Azelaic acid, a prescription lotion used for acne, can calm discoloration and inflammation due to rosacea as well.
壬二酸，用于治疗痤疮的洗液，可以降低变色和炎症(由于酒渣鼻)。
Experts believe the high fruit sugar, or fructose, content of juice causes uric acid - a waste product in the blood - to leach into joints, causing them to become swollen and very painful.
专家认为，高果糖、果糖或果汁所含物质会产生血液废弃物—尿酸，尿酸会渗透到关节中，让关节肿胀，伴有疼痛感。
Experts believe the high fruit sugar, or fructose, content of juice causes uric acid - a waste product in the blood - to leach into joints, causing them to become swollen and very painful.
专家认为，高果糖、果糖或果汁所含物质会产生血液废弃物—尿酸，尿酸会渗透到关节中，让关节肿胀，伴有疼痛感。
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