The activities of enzymes including Polyphenol Oxidase, Superoxide Dismutase, Catalase, Peroxidase and the contents of soluble protein, phenolics contents and varieties in the pericarp, sarcocarp and core of the pear fruits were measured.

以黃金梨、大香水九7超碰在线免费、新梨七號(hào)為試材，研究了貯藏后梨褐變不同部位酚類物質(zhì)含量和種類刺激毛片免费视频录像、多酚氧化酶www337788,COm、超氧化物歧化酶、過氧化氫酶免费在线黄色网站视频、過氧化物酶的活性及可溶性蛋白的關(guān)系www人人插人人爱。

Analytical results showed that the upper clear liquid of pyrolysis oils was mainly consisted of water-soluble substances,such as phenol,cresol,xylenol,sugars,hydantoins,morpholines,pyranones and pyridine derivatives compounds,etc.,while the lower sediment was mainly insoluble or hardly water-soluble substances,such as the big substituent phenolics(the number of substituent carbon atoms of which is greater than or equal to 2),aryl phosphate esters,fatty acid esters and nitrile compounds,and so on.

研究表明，熱解油上層清液主要是一些較易溶于水的物質(zhì)三级片精品视频，如苯酚天堂网WWW在线资源中文、甲酚、二甲酚chaopeng97、糖類国产高清免费精品网站发国产女、乙內(nèi)酰脲類、嗎啉類国产一级A片AV在线、吡喃酮類和吡啶類化合物等欧美的视频；而下層沉淀則主要為不溶或難溶于水的物質(zhì)，如大取代基酚類（取代基碳原子數(shù)≥2）一a级黄片免费看、磷酸三芳基酯類欧美日韩草草影院在线观看、脂肪酸酯類和腈類化合物等。

Forestry management methods on alleviation of autotoxicity in Chinese fir plantation were also studied. Root-stumps from last Chinese fir pure plantation have a negative effect on the replanted Chinese fir saplings because of phenolics from decomposing root-stumps.

本文還針對(duì)減輕杉木人工林化感自毒作用的林業(yè)經(jīng)營措施進(jìn)行了研究50熟妇，發(fā)現(xiàn)杉木人工純林中的采伐剩余物根樁對(duì)下茬杉木幼樹的更新有不利的影響毛片AA级高清免费视频，這種不利的影響來自于根樁分解過程中釋放的酚類化感物質(zhì)。

Result shows that the Apriona germari adult insect prefer to eat Broussonetia papyrfera and reject to eat other tree species which result in difference in natural life and fecundity. Total sugar and dissolvable protein content in the bark is not the cause of rejection. Difference of dissolvable sugar and amino acid may be the reason of preference while difference of dissolvable phenolics and tannin content may explain the rejection.

取食構(gòu)樹的桑天牛成蟲取食量大男人的天堂视频，存活時(shí)間長强奸乱伦AV片，產(chǎn)卵量大，遺卵量少日本aa，其他3個(gè)樹種則相反免费观看中国A片,黄色视频。4樹種樹皮內(nèi)總糖和可溶性蛋白含量與桑天牛抗性無關(guān)日韩精品更新资源在线观看视频，樹皮內(nèi)可溶性糖含量神马影院成人免费网站推荐视频、總氨基酸和必需氨基酸含量對(duì)抗性有一定影響。4樹種樹皮內(nèi)水溶性總酚含量和單寧含量差異對(duì)成蟲取食有較大影響，酚類和單寧等次生物質(zhì)對(duì)桑天牛成蟲的忌避作用是導(dǎo)致抗性的主要原因.国产综合网在线观看。

UV-B absorbing capacities of methanol and cell-bound alkali extractable phenolics were measured in leaves of potted one-year-old seedlings of Pinus massoniana, Schima superba, Cryptocarya concinna, Castanopsis fissa and Castanopsis chinensis to investigate the UV-B protecting strategy in plants exposed to full sunlight.

通過測(cè)定馬尾松和荷木亚州中文字幕操喷，及黃果厚殼桂、藜蒴和錐樹葉片中甲醇提取物和細(xì)胞壁堿性酚類提取物中UV-B吸收物質(zhì)的含量久久久久精品视频这里只有精品，以及葉片葉綠素含量和比葉面積人人澡人人摸人人干，研究全日光強(qiáng)下植物對(duì)UV-B的防護(hù)策略。

The author suggest dissolvable phenolics and tannin content in the bark may be take as breeding target.

作者認(rèn)為人人操人人莫人人干，總酚和單寧等次生物質(zhì)含量可以做為林木對(duì)桑天臿级线手机免费观看？剐杂N中的選育指標(biāo)。

Phenolics showed reduced accumulation of sinapic esters in LAC1 seedlings.

而且分泌的GaLAC1 可降解三氯苯酚粉嫩人妻一区。一條新的技術(shù)路線欧美性爱在线综合。

The influence of each of the mentioned surfactants on the property of foamed phenolics was studied.

研究結(jié)果表明：采用DC193與吐溫-80復(fù)配體系時(shí)，泡沫的綜合性能最好啊啊啊轻点在线观看。

SEM was used to analysis the configuration of the foamed phenolics.

復(fù)配體系的用量對(duì)泡沫表觀密度和吸水率的影響久久一级黄片羞羞，并簡單分析了機(jī)理。

Phenolics are similar to alcohols but are more soluble in water.

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