Rippling: Towards untamed domesticity

The paper proposes ‘rippling' as a practice of untamed domesticity that contests the hegemony of the essentialised model of modern nuclear family and its associated domesticity. The conceptualisation of ‘rippling' derives from a context of the dissolved household in contemporary rural China — they are families of China's 285 million floating population who have seen the absence of a middle generation. At the intersection of architecture and anthropology, and with Shigushan village in Wuhan as the primary site of fieldwork since 2015, the point of entry is spatial and ethnographic observations and documentations of everyday practice in and around ordinary self-built family houses. The material traces and empirical evidence manifest a constantly diffused distinction between the domestic and the public, enacted by the rural dissolved household. In this way, the practice of ‘rippling' defies the confinement and codification of domesticity. Importantly, ‘rippling' and ‘dissolving' are a temporary, transient state that has become part of a broader structure rather than an exception. Through inhabiting and altering a multiplicity of spatial, social, and political thresholds, an elastic form of association is enacted, through which the act of mediating between genders, generations, households, neighbours, and the village community is constantly framed, and even spreads to the city through ‘floating’. Spatially stretched from house to territory and temporally coordinated from daily to multi-year cycles, domesticity as such is untamed

Standard block and modular dwelling designs in Hong Kong’s public housing

This paper examines the role of standard block and modular dwelling designs in Hong Kong’s public housing provision since the mid-1950s. It explores how standard types have evolved in relation to housing policies, demographic and socio-economic changes, and minimum space requirements. In contrast to other countries, Hong Kong lacks defined space or room standards. In the absence of space standards, Hong Kong relies on a living density standard. This paper studies the historical development of Hong Kong’s public housing in terms of dwelling size as a measure of housing quality, questioning the effectiveness of standard block and dwelling designs as housing design controls and highlighting the contextual nature of dwelling usability and size. The analysis is based on public housing design projects, policies, and data implemented or presented by the Hong Kong government, particularly the Hong Kong Housing Authority

The Effect of Chinese Herbal Medicine on Albuminuria Levels in Patients with Diabetic Nephropathy: A Systematic Review and Meta-Analysis

To evaluate the effect of Chinese herbal medicine (CHM) on albuminuria levels in patients with diabetic nephropathy (DN), we performed comprehensive searches on Medline database, Cochrane Library, CNKI database, CBM database, Wanfang database, and VIP database up to December 2012. A total of 29 trials including 2440 participants with DN met the selection criteria. CHM was tested to be more effective in reducing urinary albumin excretion rate (UAER) (MD −82.95 μg/min, [−138.64, −27.26]) and proteinuria (MD −565.99 mg/24 h, [−892.41, −239.57]) compared with placebo. CHM had a greater beneficial effect on reduction of UAER (MD −13.41 μg/min, [−20.63, −6.19]) and proteinuria (MD −87.48 mg/24 h, [−142.90, −32.06]) compared with angiotensin converting enzyme inhibitors (ACEI) or angiotensin receptor blockers (ARB). Combination therapy with CHM and ACEI/ARB showed significant improvement in UAER (MD −28.18 μg/min, [−44.4, −11.97]), urinary albumin-creatinine ratio (MD −347.00, [−410.61, −283.39]), protein-creatinine ratio (MD −2.49, [−4.02, −0.96]), and proteinuria (MD −26.60 mg/24 h, [−26.73, −26.47]) compared with ACEI/ARB alone. No serious adverse events were reported. CHM seems to be an effective and safe therapy option to treat proteinuric patients with DN, suggesting that further study of CHM in the treatment of DN is warranted in rigorously designed, multicentre, large-scale trials with higher quality worldwide

The socio-spatial design of community and governance: Interdisciplinary urban design in China

This book proposes a new interdisciplinary understanding of urban design in China based on a study of the transformative effects of socio-spatial design and planning on communities and their governance. This is framed by an examination of the social projects, spaces, and realities that have shaped three contexts critical to the understanding of urban design problems in China: the histories of “collective forms” and “collective spaces”, such as that of the urban danwei (work-unit), which inform current community building and planning; socio-spatial changes in urban and rural development; and disparate practices of “spatialised governmentality”. These contexts and an attendant transformation from planning to design and from government to governance, define the current urban design challenges found in the dominant urban xiaoqu (small district) and shequ (community) development model. Examining the histories, transformations, and practices that have shaped socio-spatial epistemologies and experiences in China – including a specific sense of community and place that is rather based on a concrete “collective” than abstract “public” space and underpinned by socialised governance – this book brings together a diverse range of observations, thoughts, analyses, and projects by urban researchers and practitioners. Thereby discussing emerging interdisciplinary urban design practices in China, this book offers a valuable resource for all academics, practitioners, and stakeholders with an interest in socio-spatial design and development

Territory, Settlement, Household: A Project of Rural China

The thesis recognises the countryside as a specific social, cultural and political construct rather than as ancillary to the city. It challenges current strategies of rural regeneration in China, which heavily rely on models of urbanisation, as well as the prevailing mentality that views the countryside as not just economically but also culturally and intellectually under-developed. The key research question is thus: what does being rural mean socio-spatially? Structured by three main studies of the rural-urban relationship, the cross-scalar framework and research by design, the thesis explores ‘rurality’ as a spatial question at the levels of territory, settlement and household. In the studies, the case study method, fieldwork and drawing play essential roles. Based on the understanding of rurality as an elastic form of association in both social and spatial terms and across scales, the thesis advocates a shift in design thinking for the rural and proposes the integration of planning, urban design and architecture, in order to create one synthetic design discipline capable of facilitating an alternative multi-scalar rural regeneration model. The aim of this discipline is to create opportunities of change in the recognised and established field of power and is in this sense political. Furthermore, the thesis calls for integrating the spatial, social and cultural history and the transformations of rural China into a larger economic and political debate in order to transcend the conceptual limitations of the current rural discourse and to rethink rural development as a socio-cultural process. Given that a self-organised support system underpinned by associational relationships in rural society embodies a rooted cultural unity in China, the thesis argues that rurality, or an elastic form of association, transcends the simple divide between urban and rural development by providing a distinct form of living arrangement and social organisation. In this sense, rurality is ultimately about how people organise themselves and associate with others

Collective Forms in China: People’s Commune and Danwei

Collective forms are simultaneously governmental forms, social forms, organisational forms, and spatial forms, but can also incorporate economic forms or political forms. From this perspective, urban and rural areas in socialist China were predominantly planned and managed as semi-autonomous collective forms. People’s Commune and Danwei are two exemplary cases among others. The research reviews their conception as social projects and the social realities they produced, while examining their often overlooked legacies for discourses in architecture and urban design. Through discussing the research methodology, cases of collective forms in the West, the historical context of China’s People’s Commune and Danwei, and two built cases in Wuhan, this paper argues that collective forms are not simply related to a historical period of collectivisation, but to past, present, and future forms shaped by collective subjectivities and the important underlying shared norms and demands to achieve common goals and benefits

Experimental study on the freezing process of water droplets for ice air jet technology

Abstract Ice air jet technology is one non-destructive, residue-free and environmentally friendly machining process. It is an efficient method to form ice particles by atomizing water droplets in ultra-low temperature environment. The freezing characteristics of water droplets in cryogenic gas and liquid nitrogen environment are visually analyzed, and the effects of droplet volume, ambient temperature are also studied. The results show that when water droplets freeze in a cryogenic gas environment, four distinct stages are observed, namely pre-cooling stage, recalescence stage, solidification stage, and deep cooling stage. However, when water droplets freeze in liquid nitrogen, the recalescence stage cannot be observed. For a 5 µl water droplet, it takes 68 s for water droplets to freeze into ice particles at − 20.36 °C, while it takes only 1.7 s in liquid nitrogen. During the freezing process, the water droplets form an ice shell outside and freeze inwardly. Ice particles may break up due to differences in solubility and density. With the increase of volume the time spent on pre-cooling stage and freezing stage both increases. For the large latent heat of water phase transformation, the solidification stage time is greatly affected by the volume of water droplets. When the ambient temperature drops from − 10.67 °C to − 24.68 °C, the freezing time of 5 µl water droplets decreases by 45.5%, indicating that the ambient temperature has a great influence on the freezing time. The results of the study can significantly contribute to the development of ice air jet technology

Ultrasonic and microwave treatment improved jujube juice yield

The methods to leaching juice from dried jujube using six treatments and some factors related with juice yield such as total soluble solids (TSS), pectinase activity, pectin contents, galacturonic acid, and the microstructure morphology of cell were investigated. Six treatments including natural leaching, ultrasonic, microwave, ultrasonic before microwave, ultrasonic after microwave, and pressing directly were applied to extract juice. The group which treating with ultrasonic before microwave displayed its total soluble solids (TSS) was 16 °Brix, which was 6.67% higher than that of natural leaching. And its total soluble solids (TSS) reached to equilibrium in 2 hr, which was faster than that of natural leaching. The mechanism of improving the production efficiency of juice yield using ultrasonic combined with microwave was explored accordingly. The content of pectin and galacturonic acid increased by 58.52% and 59.01%, respectively, which were the highest among all samples. The activity of pectinase was 9.71 μg/(h·g), which was significantly decreased 40.23% as compared to natural leaching. And the treated cells became shriveled and pitted, which led to the leakage of the contents of cell. Thus, the result showed that treating with ultrasonic before microwave displayed the best juice yield. Ultrasonic cooperate with microwave was an efficient method to leaching juice from dried jujube

Segmentation of the communication tower and its accessory equipment based on geometrical shape context from 3D point cloud

Communication tower (CT) and its accessory equipment (AE) such as radio frequency equipment (RFE) and antenna, are essential in providing highspeed and stable mobile network services. It is necessary to routinely monitor the security and stability of CT and AE for seamless communication. There is limited research on fine segmentation of communication base station objects. This paper proposes a method for accurately segmenting the point cloud of the CT and AE from Terrestrial Laser Scanning (TLS) data. At first, the CT point cloud is accurately segmented based on region growing and Random Sample Consensus (RANSAC). Then, the point cloud of pole-shaped apart is extended to a certain distance to obtain the buffer point cloud containing AE. Normal Differential (ND) clustering is employed to obtain several groups of clusters containing planes, and calculate each plane's filling rate and size. Finally, the cluster type (such as antenna, RFE, or other) is distinguished. The experimental results demonstrate that the point-based average F1-score of CTs is 98. 70%, the point-based and object-based average F1-scores of antennas are 96. 09% and 97. 93%, and the corresponding values for the RFE are 89. 89% and 90. 00%, respectively, indicating the optimal performance of the proposed method