As the ovule is fully developed, the obturator becomes considerably large and closely covers the micropyle.

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For thesake of knowing mechanism of preparing nacreouspigment of mica titanium and adjusting pH with urea, we need to measure fast and exactly concentration of titanium to direct preparing top grade nacreous pigment of mica titanium.

為了更好地了解尿素中和法制備云母鈦珠光顏料過程中鈦水解的機理，指導(dǎo)高檔次云母鈦珠光顏料的制備91人妻互换论坛九色，需要對該過程中鈦的含量進行準確快速的測定无码日韩第23页视频，本文對過氧化氫分光光度法測定鈦的方法進行了實驗研究。

Double steel-ball extrusion deep hole solves the matching problem of steel-ball nucellus with workpiece axis, using this technology, extruding deep hole with smaudiameter is attained efficiently with high quality .

文摘：雙珠式擠壓深孔有效地解決了鋼珠珠心與工件軸心重合的問題天天舔天天色，高質(zhì)高效地實現(xiàn)了較小直徑深孔的擠壓加工欧美A级性爱，實踐證明，且能實現(xiàn)彎孔的高精加工看黄色视频网址。

The results showed Cosmos bipinnatus had a stronger capability of accumulating Pb in shoot than Trachymene coerulea and Dianthus caryophyllus, which had the weakest accumulating ability. Cosmos bipinnatus accumulated more Pb in root than Dianthus caryophyllus and Trachymene coerulea, which accumulated the lowest Pb.

結(jié)果表明三種觀賞花卉中波斯菊地上部吸收富集鉛的量最大www.精选国产，積累鉛能力最強，其次為翠珠花国产亚洲尤物臀足，香石竹吸收積累鉛能力最弱激情小说亚洲图片；根部鉛富集量最大的為波斯菊，其次為香石竹aaa精品视频在线观看免费，翠珠花根部鉛吸收積累能力最弱国产黄精品片在线看。

Seven grapevine cultivars originated from different regions, i. e.'Carbernet Sauvignon' and'Queen of Vineyard'(two members of the Western Europe Cultivars Group),'Rizamat'(a member of the East Cultivars Group),'Red Double Taste'(a hybridized cultivar from Vitis vinifera L. and V. labrusca L.),'1103Paulsen','Red Globe'and 'Autumn Royal'(two new hybridized cultivars between cultivars groups which were warmly planted in recent years) were selected. After different drought stress, a combined measurement of gas exchange and chlorophyll fluorescence was conducted to evaluate the effects of drought stress to photoinhibition, as well as the role of photorespiration and xanthophyll cycle in photoprotective mechanism. After photorespiration and xanthophyll cycle were separately inhibited, the complementary effect of these two photoprotective pathways was discussed. Detached leaves of different grapevine cultivars, i. e.'Cabernet Sauvignon','Cabernet Franc','Merlot', and a rootstock,'1103Paulsen'were selected as materials, and photoinhibition degree, photorespiration activity as well as its photoprotective function under drought stress were studied. The results are as follows: 1. Under the same drought stress treatment, different photoinhibition degrees formed in different grapevine cultivars.

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These results revealed that the pollen chamber developmental pattern passed through four phases. Firstly, a group of nucellar cells at the micropylar end elongated longitudinally. Thereafter, the uppermost nucellar cells at the micropylar end initiated PCD; and these elongated cells undergoed PCD in a basally and laterally oriented direction to form a cavity.

貯粉室的形態(tài)發(fā)生可分為4個階段：最先是位于珠孔端的幾層珠心細胞縱向地伸長婷婷五月天激情综合网；接著jiZZ成熟丰满，珠孔端最頂部的珠心細胞發(fā)生PCD；然后国产美女一级大黄片之怀孕疯狂操，那些已經(jīng)縱向伸長的珠心細胞向基地和側(cè)向地依次發(fā)生死亡无码少妇一区二区三区av，產(chǎn)生貯粉室空腔；最后亚洲无码黄色视频在线，珠孔端的珠心表皮細胞發(fā)生開裂www.小蝌蚪视频，形成貯粉室的開口www.在线亚洲色。

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To analyze effect of diclazuril and maduramycin on 18S rDNA of Eimeria tenella, the 18S rDNA of sporulated oocyst of the E. tenella anti-diclazuril strain, the E. tenellaanti-maduramycin strain and the E. tenella drug-sensitive strain were cloned and sequenced, and were compared by using DNAStar 5.0 and RNADraw 1.1, respectively.

為探討抗球蟲藥物地克珠利和馬杜拉霉素對柔嫩艾美球蟲18S rDNA的影響，分別對人工誘導(dǎo)的柔嫩艾美球蟲地克珠利抗藥株直接播放的毛片网站、馬杜拉霉素抗藥株和藥物敏感株孢子化卵囊的18S rDNA基因進行了克隆測序影音先锋亚洲综合资源在线观看，并通過生物信息軟件進行對比差異分析。

This paper evaluates the water conservation effects of the young forests of the Shelter Belt Program of the Zhujiang Valley from three hydrologic levels of crown canopy, litter layer and soil layer, based on field investigations and measurements.

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在討論錫珠(solder beading)的時候,我們首先要準確地定義SMT缺陷. 錫珠是在已經(jīng)回流焊接的板上發(fā)現(xiàn)的,你可以一眼看出它是一個大的錫球,鑲嵌在一灘位置緊靠離散元件的助焊劑里面,這些元件具有非常低的離地高度,

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Jacouard Pique：提花珠地布<珠地平紋>

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Jacouard Pique：提花珠地布

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piquet：珠地

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