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Using nuclear DNA C-values for 539 angiosperms in China, we examined the variation of these values among growth forms and taxonomic groups and the relationship of these values with invasiveness. Mean DNA C-value of the 539 angiosperm species was 4.06 pg. Mean DNA C-value was(1) significantly lower for woody species (1.84 pg) than for herbaceous species(5.02 pg);(2) significantly lower for 360 dicots (2.20 pg) than for 179 monocots (7.80 pg);(3) significantly lower for annuals (2.78 pg) than for perennials(6.65 pg);(4) significantly lower for 134 weed species (1.93 pg) than for herbaceous non-weeds (6.75 pg) and for several families that have an unusually high proportion of weed species;(5) significantly lower for 47 exotic weed species (1.76 pg) than for 134 native weeds (1.93 pg), but significantly lower than that of "non-weedy" herbaceous species (6.75 pg);(6) lower for weeds than for "non-weedy" species in same genus or family; and (7) in herbaceous species, generally lower for weedy compared to "non-weedy" species, with some exceptions such as Avena fatua, whose DNA C-value is as high as 14.15 pg, contrarily, and some "non-weedy" herbaceous species in Cruciferae and Cucurbitaceae with very low values.

统计了中国境内有分布的539种被子植物的DNA C-值，分析了它们在不同分类群、生活型、倍性、生活史类型以及在杂草和非杂草类群中的分布情况，主要结果如下：(1)539种被子植物DNA C-值平均为4.06 pg，其中木本植物的DNA C-值平均为1.84 pg，低于草本植物的平均值(5.02 pg)；(2)双子叶植物(360种)的DNA C-值平均为2.20 pg，极明显地小于单子叶植物(179种)的平均值(7.80 pg)；(3)1年生植物的DNA C-值平均为2.78 pg，明显小于多年植物的平均DNA C-值(6.65 pg)；(4)134种杂草的DNA C-值平均为1.93 pg，明显小于非杂草草本植物的平均值(6.75 pg)，含杂草较多的科，平均DNA C-值相对较小；(5)统计的47种入侵杂草的DNA C-值平均为1.76 pg，略小于134种杂草的平均DNA C-值(1.93 pg)，极显著地小于非杂草性草本植物(6.75 pg)；(6)以科为单位，不同科的DNA C-值存在着极大的差异；(7)DNA C-值与染色体倍性的关系并不明显，但是，随着倍性的增加，基因组变小；(8)在同一科、属中，与非杂草相比，典型杂草的DNA C-值往往偏小；(9)总体上杂草或杂草性强的植物，它们的DNA C-值比非杂草性植物的要小。

The investigation on the concentration of four haloacetic acid s during conventional water treatment process in waterworks and in drinking waters in North China showed that there were only dichloroacetic acids and trichloroacetic acids in waters,and the proportion of TCAA was from 52% to 90%.

对北方某自来水厂常规水处理过程及饮用水体中的4种卤乙酸质量浓度进行了调查，结果表明水体中只存在二氯乙酸和三氯乙酸，其中三氯乙酸所占比例较大，为52%~90%；常规水处理工艺对二氯乙酸有较为明显的去除效果，去除率在15%以上，而对三氯乙酸没有明显的去除效果，但总体而言其对卤乙酸有10%左右的去除率；预氯化对卤乙酸的产生起主导性作用，该处产生的卤乙酸占整个氯化过程产生的卤乙酸总量的60%以上，因此常规工艺有必要从预氯化工艺着手加以改进，来更好的控制卤乙酸的产生量。

Simultaneously, the total extractible myoglobin decreased and the proportion of metmyoglobin increased significantly when the pressure above 400MPa. Beef discoloration after pressure processing may result from oxidation of ferrous myoglobin to ferric metmyoglobin, globin denaturation and structural changes. At 40℃, the changes of beef color was similar to that of room temperature's. When the temperature rise to 60℃, most of muscle proteins denatured, a small quantity of native myoglobin could not affect the color of beef significantly. Therefore, protein denaturation was attributed to the main cause of discoloration in beef muscle after pressurization at 60℃.

压力处理导致色泽变化的直接原因可能是由于二价铁的肌红蛋白氧化成三价铁的高铁肌红蛋白、球蛋白的变性及结构的变化所致。40℃时的压力处理，色泽的变化规律与室温下相似，只是色泽变化的程度更为剧烈，蛋白质变性在色泽变化中起到的作用逐渐加强。60℃下的压力处理，绝大部分蛋白质发生变性，少量未变性的肌红蛋白对色泽不会产生明显的影响，此温度的压力处理，蛋白质变性是造成肌肉失去红色的主要原因。

Adopting whorl driving can change circular movement to linal movement, and the automatic-locking function can ensure the using security, we develop the structure, analyze the principle, make necessary mechanics analyses, push over the formula, and make it clear that the jack is logical in structure, smart in power knighthead, durable in use, and with a big proportion of output and input.

利用蜗杆传动、螺纹传动，将转动变换为直线运动、将转矩转换为和向力；同时利用螺纹传动的自锁作用，保证使用安全可靠。结果设计出了多功能千斤顶的主要结构，分析了其工作原理，进行了必要的力学分析，推导出数据计算的有关公式等。

For a long time,structuralism has played quite different parts in lexicological studies of Chinese,both active and inactive.At present,a better way out for Chinese lexical study is to break away from the framework of structuralism and return to the most essential state.A multi-proportion view should be introduced with the interaction between man and space of existence as the most primary.Besides,a hierarchy of goals should be set up with the understanding of "man" in the national mind as the highest.Finally,different approaches should be developed with cognition.explanation??

摘 要：面对长期以来结构主义等学派在发挥巨大积极作用同时又具有深刻消极影响的状况，当前的汉语词汇研究，最好能突破结构主义框架，走出结构主义走势，回到最为根本之处，开启多维视角而突出人与生存空间互动这一主要视角，确立多层目标而突出认识民族&人&这一最高目标，拓展多向思路而突出认知？

The results indicate that the high efficiency and stable performance of shortcut nitrogen removal in MBR-PBBR process is attributed to the predominance of functional microbiology Nitrosomonas eutropha during the period of operation,which occupies over 54%of total bacteria.However,large amount of organic carbon can destroy the predominance of N.eutropha,whose proportion decreased to 31%at TOC/N=0.3.The diversity of microbial community in MBR increases along with operating time.

结果发现，生物强化的MBR-PBBR工艺能实现相对稳定和高效的捷径生物脱氮，主要归功于MBR中的功能微生物Nitrosomonas eutropha在运行过程中始终保持优势地位，占全菌数的比例大于54%；然而，当外加有机碳源较高(TOC/N≥0.2)时，可动摇氨氧化菌的优势地位，N.europha占全菌数的比例在TOC/N=0.3时下降至31%。

The proportion of reserves of low permeability gas reservoirs to nonproducing reserves is larger and larger in China at present. And the depletion way of production is used in low permeability gas reservoir currently, so the gradual drop of formation pressure during the exploitation will result in the deformation of rocks, which makes the reservoir porosity and permeability decline.

目前中国低渗透气藏的储量占未动用气藏储量的比重越来越大，而低渗透气藏一般都采用衰竭式开采，在生产过程中地层压力逐渐下降，导致储层岩石变形，使得孔隙度和渗透率降低，从而导致低渗透气藏开发效果变差。

Results Complications of deep white candidiasis infection inside the hospital mostly took place among patients suffering from chronic respiratory diseases, malignant tumors and nosohemia,accounting for 59.09%.Infection was in direct proportion with the length of hospitalization.The chief factor leading to infection was the long-term use in large doses of wide-spectrum antibiotics,especially the use of the third-period cephalosporins,which are wide in spectrum and strong in killing bacteria.White candidiasis infection results from the composite action of multiple dangerous factors. Ofthose infected,40.91%used hormone and 11.36% used immunosuppressive agents as well as radiotherapy and chemotherapy. The application of trauma examination and curing also created conditions for the occurrence of infection.

结果 发生医院内部白色念珠菌感染多系慢性呼吸系统疾病、恶性肿瘤和血液病患者，占59.09%；感染与住院时间成正比；广谱抗生素大剂量、长时间应用，特别是选择广谱、杀菌力强的第三代头狍菌素类是致感染的主要因素；白色念珠菌感染是多种危险因素综合作用的结果，感染者使用激素的占40.91%，使用免疫抑制剂及放疗化疗的占11.36%，实施插入性操作及各种介入性治疗为感染创造了条件。

The results show that rising of groundwater levels after water transportation plays an important role in the decreasing in the crown loss of Populus euphratica, and the crown loss of Populus euphratica gradually increases with increasing distance from the river course. The trees crown loss was less than 10%, which mainly was distributed within 100 metres to each side from the river course. The proportion of crown loss of overmature and effete forests were 50%-75% within 200 to 400 metres.

应急生态输水后地下水位的抬升对胡杨树冠疏失度的降低产生一定的作用；总体上，胡杨的树冠疏失度随着离河道距离的增加逐步增大，而且离河道越远，疏失度增加的程度就越大；树冠疏失度小于10%的旺盛胡杨主要分布在离河道100m之内，其中多以疏失度少于50%的长势较好的胡杨为主。

While the proportion of pheophytin in total pigment concentration increased, the absorption peak in the blue region of spectrum deviated from 440 nm to near 412 nm. The absorption peak height in the blue region was mainly influenced by pheophytin concentration, whereas the height in the red was decided more by chlorophyll a concentration.

随脱镁叶绿素占色素总浓度比例的增大，浮游植物吸收曲线上蓝光吸收峰偏离440nm波段，逐渐向412nm波段靠近，并得到蓝光波段吸收峰的高度由脱镁叶绿素浓度决定，而红光波段吸收峰的高度由叶绿素a浓度决定。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。